{"id":23729,"date":"2024-01-17T04:10:24","date_gmt":"2024-01-17T12:10:24","guid":{"rendered":"http:\/\/www.palada.net\/index.php\/2024\/01\/17\/news-17459\/"},"modified":"2024-01-17T04:10:24","modified_gmt":"2024-01-17T12:10:24","slug":"news-17459","status":"publish","type":"post","link":"http:\/\/www.palada.net\/index.php\/2024\/01\/17\/news-17459\/","title":{"rendered":"Ivanti vulnerabilities now actively exploited in massive numbers"},"content":{"rendered":"\n<p>Last week we <a href=\"https:\/\/www.malwarebytes.com\/blog\/news\/2024\/01\/act-now-ivanti-vulnerabilities-are-being-actively-exploited\">wrote about two vulnerabilities in all supported versions of Ivanti<\/a> Connect Secure and Ivanti Policy Secure Gateways that were being actively exploited.<\/p>\n<p>The researchers that discovered the active exploitation are <a href=\"https:\/\/www.volexity.com\/blog\/2024\/01\/15\/ivanti-connect-secure-vpn-exploitation-goes-global\/\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">warning<\/a> that these attacks are now very widespread.<\/p>\n<blockquote class=\"wp-block-quote\">\n<p>&#8220;Victims are globally distributed and vary greatly in size, from small businesses to some of the largest organizations in the world, including multiple Fortune 500 companies across multiple industry verticals.&#8221;<\/p>\n<\/blockquote>\n<p>At first, the scans by the researchers showed only limited exploitation. But later they observed scans made by an unknown party that revealed compromised devices which had a different variant of the web shell on them. The latest numbers indicate some 1700 compromised devices.<\/p>\n<p>The fact that there are no patches available and users were asked to\u00a0apply a workaround and monitor their network traffic for suspicious activity, may have contributed to the slow response to the sounded alarms. Almost 7000 devices remain vulnerable according to the latest count.<\/p>\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><a href=\"https:\/\/twitter.com\/Shadowserver\/status\/1746931984541036691\"><img decoding=\"async\" loading=\"lazy\" width=\"604\" height=\"611\" src=\"https:\/\/www.malwarebytes.com\/wp-content\/uploads\/sites\/2\/2024\/01\/ShadowServer_count.png\" alt=\"Heatmap of the world showing number of vulnerable devices\" class=\"wp-image-102204\" style=\"width:700px\" \/><\/a><\/figure>\n<p>The workaround requires importing a mitigation.release.20240107.1.xml file which can be obtained via the&nbsp;<a href=\"https:\/\/forums.ivanti.com\/s\/article\/Download-Links-Related-to-CVE-2023-46805-and-CVE-2024-21887\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">download portal<\/a>&nbsp;(login required). The XML file is in the zipped format, so you\u2019ll need to unzip and then import the XML file.<\/p>\n<ul>\n<li>Navigate to&nbsp;<strong>Maintenance<\/strong>&nbsp;&gt;&nbsp;<strong>Import\/Export<\/strong>&nbsp;&gt;&nbsp;<strong>Import XML<\/strong><\/li>\n<li>Use the&nbsp;<strong>Browse<\/strong>&nbsp;button to point to the unzipped XML file<\/li>\n<li>Click the&nbsp;<strong>Import<\/strong>&nbsp;Button<\/li>\n<\/ul>\n<p>Importing this XML into any one node of a Cluster is enough. A FAQ and more detailed instructions can be found in the\u00a0<a href=\"https:\/\/forums.ivanti.com\/s\/article\/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US\" target=\"_blank\" rel=\"noreferrer noopener\">Ivanti advisory article<\/a>.<\/p>\n<p>It is important to note that applying the workaround or a patch, when they are made available, is not enough to undo the effects of an attack.<\/p>\n<p>To find out whether your devices have been compromised, you can run the&nbsp;<a href=\"https:\/\/forums.ivanti.com\/s\/article\/KB44755?language=en_US\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">Integrity Checker Tool<\/a>&nbsp;provided by Ivanti. This integrity tool allows an administrator to verify the integrity of the ICS \/ IPS Image installed on Virtual or Hardware Appliances This tool checks the complete file system and finds any additional\/modified file(s).<\/p>\n<hr class=\"wp-block-separator has-text-color has-cyan-bluish-gray-color has-alpha-channel-opacity has-cyan-bluish-gray-background-color has-background is-style-wide\" \/>\n<p><strong>We don\u2019t just report on vulnerabilities\u2014we identify them, and prioritize action.<\/strong><\/p>\n<p>Cybersecurity risks should never spread beyond a headline. Keep vulnerabilities in tow by using\u00a0<a href=\"https:\/\/www.malwarebytes.com\/business\/vulnerability-patch-management\">ThreatDown Vulnerability and Patch Management<\/a>.<\/p>\n<p><a href=\"https:\/\/www.malwarebytes.com\/blog\/news\/2024\/01\/ivanti-vulnerabilities-now-actively-exploited-in-massive-numbers\" target=\"bwo\" >https:\/\/blog.malwarebytes.com\/feed\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p> Two vulnerabilities in Ivanti Connect Secure and Ivanti Policy Secure Gateways are subject to massive exploitation despite an available workaround. <\/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":[10488,10378],"tags":[30724,30725,22783,30726,30727,32],"class_list":["post-23729","post","type-post","status-publish","format-standard","hentry","category-malwarebytes","category-security","tag-cve-2023-46805","tag-cve-2024-21887","tag-exploits-and-vulnerabilities","tag-ivanti-connect-secure","tag-ivanti-policy-secure","tag-news"],"_links":{"self":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/23729","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/comments?post=23729"}],"version-history":[{"count":0,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/posts\/23729\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/media?parent=23729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/categories?post=23729"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.palada.net\/index.php\/wp-json\/wp\/v2\/tags?post=23729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}