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Stick to your New Year\u2019s resolution of understanding all there is about security patches and join us in taking a look at the security updates released by Adobe and Microsoft for the month of January 2017.<\/p>\n
Microsoft Patches for 2017<\/strong>\u00a0<\/strong><\/p>\n After a record setting 2016, the folks in Redmond start 2017 off by releasing only four bulletins addressing three CVEs in Edge, Office, and Windows. The fourth bulletin covers Adobe Flash. To call this a small release is no understatement, but given the number of patches released in 2016, I\u2019m sure system admins everywhere appreciate the light release.<\/p>\n If you need to prioritize your patch testing, the update for Edge<\/a> becomes the obvious choice since it\u2019s fixing a publicly-known issue that allows for a cross-domain code injection. The LSASS<\/a> bulletin also has a publicly disclosed CVE that could allow a denial of service (DoS) against unpatched systems. This bulletin is also a reminder to be sure you\u2019re blocking TCP 389 \u2013 the default port for LSASS \u2013 at your perimeter. It\u2019s a small mitigation, but every little bit helps. The other Microsoft patch corrects a critical remote code execution vulnerability in SharePoint and Word 2016<\/a>. This is interesting for a couple of reasons. Office vulnerabilities are usually listed as Important rather than Critical due to numerous dialogs a user clicks through to open a file, but this is listed as a Critical bulletin. Office bulletins can end up being critical if they have a Outlook preview pane exploit vector, but that\u2019s specifically called out as not an option here. Finally, Microsoft released its own version of the Adobe Flash<\/a> patch. No new advisories were released this month.<\/p>\n And yes, you read that correctly \u2013 there is no security bulletin for Internet Explorer this month. One can\u2019t help but speculate if the lightness of this release is related to test cycles or if Microsoft is intentionally holding things back ahead of its move away from bulletins to the “Security Update Guide<\/a>.”\u00a0Despite the continued reduction of public information about its security patches, we\u2019ll continue to discuss the monthly releases as best we can.\u00a0<\/strong><\/p>\n Adobe Patches for January 2017<\/strong><\/p>\n Adobe kicks off the year by releasing updates for Flash and Reader. The update for Acrobat and Reader<\/a> fixes 29 total CVEs, the worst of which could allow an attacker to execute code on the target system. A lucky 13 of these CVEs came through the ZDI program. The update for Flash<\/a> contains 13 CVEs. Similar to Reader, the worst of these issues could allow an attacker to execute code on the target system. None of the issues addressed by Adobe today are reported as being under active attack.\u00a0<\/strong><\/p>\n Mobile Updates<\/strong>\u00a0<\/strong><\/p>\n Unlike the light updates from Microsoft and Adobe, the update for Google Android<\/a> fixes 95 vulnerabilities. Many of these issues are critical and include an exploit that could allow malware or even malicious chargers to restart a Nexus device and install their own code. If you have an Android phone, this is definitely an update you don\u2019t want to miss.<\/p>\n Looking Ahead<\/strong>\u00a0<\/strong><\/p>\n The next patch Tuesday falls on February 14, and we\u2019ll be your valentine with details and analysis then. Follow us on Twitter<\/a> to see the latest and greatest coming from the ZDI program. Until then, happy patching and may all your reboots be smooth and clean!<\/p>\n