Description:
Security updates are released for Adobe Flash Player and Adobe Reader/Acrobat to address multiple vulnerabilities caused by heap buffer overflow, integer overflow, use-after-free error, security bypass, memory corruption, and type confusion. To successfully exploit the vulnerabilities, a remote attacker could entice a targeted user to open a specially crafted PDF file, web page, Flash file, or document that supports embedded Flash content.
Affected Systems:
- Adobe Flash Player Desktop Runtime for Windows and Macintosh 23.0.0.162 and earlier versions
- Adobe Flash Player Extended Support Release for Windows and Macintosh 18.0.0.375 and earlier versions
- Adobe Flash Player for Google Chrome 23.0.0.162 and earlier versions
- Adobe Flash Player for Microsoft Edge and Internet Explorer 11 23.0.0.162 and earlier versions
- Adobe Flash Player for Linux 11.2.202.635 and earlier versions
- Adobe Acrobat DC/Acrobat Reader DC Continuous 15.017.20053 and earlier versions
- Adobe Acrobat DC/Acrobat Reader DC Classic 15.006.30201 and earlier versions
- Adobe Acrobat/Reader XI 11.0.17 and earlier versions
Impact:
A successful exploitation could lead to arbitrary code execution, bypass of security restrictions or potentially take control of the affected system.
Recommendation:
Upgrade Adobe Flash Player and Adobe Acrobat and Reader to the following versions to address the issues. The upgrade can be obtained by using the auto-update mechanism or by downloading at the following URLs:
- Adobe Flash Player Desktop Runtime 23.0.0.185 for Windows and Macintosh
http://www.adobe.com/go/getflash
http://www.adobe.com/products/players/flash-player-distribution.html
http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html
- Adobe Flash Player Extended Support Release 18.0.0.382 for Windows and Macintosh
http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html
- Adobe Flash Player 23.0.0.185 for Google Chrome
http://googlechromereleases.blogspot.com/
- Adobe Flash Player 23.0.0.185 for Microsoft Edge and Internet Explorer 11
https://support.microsoft.com/en-hk/kb/3194343
- Adobe Flash Player 11.2.202.637 for Linux
http://www.adobe.com/go/getflash
- Adobe Acrobat DC Continuous 15.020.20039, Classic 15.006.30243, Acrobat XI 11.0.18
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Mac
- Adobe Acrobat Reader DC Classic 15.006.30243, Reader XI 11.0.18
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Mac
- Adobe Acrobat Reader DC Continuous 15.020.20039
http://get.adobe.com/reader/
If you have multiple browsers, you are required to perform the Adobe Flash Player upgrade for each browser, the Flash Player version can be checked at http://www.adobe.com/software/flash/about/
More Information:
https://helpx.adobe.com/security/products/acrobat/apsb16-33.html
https://helpx.adobe.com/security/products/flash-player/apsb16-32.html
https://www.hkcert.org/my_url/en/alert/16101203
https://www.us-cert.gov/ncas/current-activity/2016/10/11/Adobe-Releases-Security-Updates
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1089
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1091
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4273
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4286
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6939 (to CVE-2016-6979)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6981 (to CVE-2016-6990)
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6992 (to CVE-2016-7019)