Security updates available for Adobe Flash Player

Release date: December 28, 2015

Last updated: June 23, 2016

Vulnerability identifier: APSB16-01

Priority: See table below

CVE number: CVE-2015-8459, CVE-2015-8460, CVE-2015-8634, CVE-2015-8635, CVE-2015-8636, CVE-2015-8638, CVE-2015-8639, CVE-2015-8640, CVE-2015-8641, CVE-2015-8642, CVE-2015-8643, CVE-2015-8644, CVE-2015-8645, CVE-2015-8646, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, CVE-2015-8650, CVE-2015-8651, CVE-2016-0959

Platform: All Platforms

Summary

Adobe has released security updates for Adobe Flash Player.  These updates address critical vulnerabilities that could potentially allow an attacker to take control of the affected system.

Adobe is aware of a report that an exploit for CVE-2015-8651 is being used in limited, targeted attacks.

Affected Versions

Product Affected Versions Platform
Adobe Flash Player Desktop Runtime 20.0.0.235 and earlier
Windows and Macintosh
Adobe Flash Player Extended Support Release 18.0.0.268 and earlier Windows and Macintosh
Adobe Flash Player for Google Chrome 20.0.0.228 and earlier Windows, Macintosh, Linux and ChromeOS
Adobe Flash Player for Microsoft Edge and Internet Explorer 11 20.0.0.228 and earlier Windows 10
Adobe Flash Player for Internet Explorer 10 and 11 20.0.0.228 and earlier Windows 8.0 and 8.1
Adobe Flash Player for Linux 11.2.202.554 and earlier Linux
AIR Desktop Runtime 20.0.0.204 and earlier Windows and Macintosh
AIR SDK 20.0.0.204 and earlier Windows, Macintosh, Android and iOS
AIR SDK & Compiler 20.0.0.204 and earlier Windows, Macintosh, Android and iOS
AIR for Android 20.0.0.204 and earlier Android
  • To verify the version of Adobe Flash Player installed on your system, access the About Flash Player page, or right-click on content running in Flash Player and select "About Adobe (or Macromedia) Flash Player" from the menu. If you use multiple browsers, perform the check for each browser you have installed on your system.  
  • To verify the version of Adobe AIR installed on your system, follow the instructions in the Adobe AIR TechNote.

Solution

Adobe categorizes these updates with the following priority ratings and recommends users update their installation to the newest version:

Product Updated Versions Platform   Availability
Adobe Flash Player Desktop Runtime
20.0.0.267 Windows and Macintosh
1

Flash Player Download Center

Flash Player Distribution

Adobe Flash Player Extended Support Release 18.0.0.324 Windows and Macintosh
1 Extended Support
Adobe Flash Player for Google Chrome 20.0.0.267 Windows, Macintosh, Linux and ChromeOS    1 Google Chrome Releases
Adobe Flash Player for Microsoft Edge and Internet Explorer 11 20.0.0.267 Windows 10 1 Microsoft Security Advisory
Adobe Flash Player for Internet Explorer 10 and 11 20.0.0.267 Windows 8.0 and 8.1
1 Microsoft Security Advisory
Adobe Flash Player for Linux 11.2.202.559 Linux 3 Flash Player Download Center
AIR Desktop Runtime 20.0.0.233 Windows and Macintosh 3 AIR Download Center
AIR SDK 20.0.0.233 Windows, Macintosh, Android and iOS 3 AIR SDK Download
AIR SDK & Compiler 20.0.0.233 Windows, Macintosh, Android and iOS 3 AIR SDK Download
AIR for Android 20.0.0.233 Android 3 Google Play
  • Adobe recommends users of the  Adobe Flash Player Desktop Runtime for Windows and Macintosh update to 20.0.0.267 by visiting the Adobe Flash Player Download Center, or via the update mechanism within the product when prompted [1].
  • Adobe recommends users of the Adobe Flash Player Extended Support Release should update to version 18.0.0.324 by visiting http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html.
  • Adobe recommends users of Adobe Flash Player for Linux update to Adobe Flash Player 11.2.202.559 by visiting the Adobe Flash Player Download Center.
  • Adobe Flash Player installed with Google Chrome will be automatically updated to the latest Google Chrome version, which will include Adobe Flash Player 20.0.0.267 for Windows, Macintosh, Linux and Chrome OS.
  • Adobe Flash Player installed with Microsoft Edge and Internet Explorer for Windows 10 will be automatically updated to the latest version, which will include Adobe Flash Player 20.0.0.267. 
  • Adobe Flash Player installed with Internet Explorer for Windows 8.x will be automatically updated to the latest version, which will include Adobe Flash Player 20.0.0.267.
  • Adobe recommends users of the AIR desktop runtime, AIR SDK and AIR SDK & Compiler update to version 20.0.0.233 by visiting the AIR download center or the AIR developer center
  • Please visit the Flash Player Help page for assistance in installing Flash Player.
 
[1] Users of Flash Player 11.2.x or later for Windows, or Flash Player 11.3.x or later for Macintosh, who have selected the option to 'Allow Adobe to install updates' will receive the update automatically. Users who do not have the 'Allow Adobe to install updates' option enabled can install the update via the update mechanism within the product when prompted.

Vulnerability Details

  • These updates resolve a type confusion vulnerability that could lead to code execution (CVE-2015-8644).
  • These updates resolve an integer overflow vulnerability that could lead to code execution (CVE-2015-8651).
  • These updates resolve use-after-free vulnerabilities that could lead to code execution (CVE-2015-8634, CVE-2015-8635, CVE-2015-8638, CVE-2015-8639, CVE-2015-8640, CVE-2015-8641, CVE-2015-8642, CVE-2015-8643, CVE-2015-8646, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, CVE-2015-8650, CVE-2016-0959).
  • These updates resolve memory corruption vulnerabilities that could lead to code execution (CVE-2015-8459, CVE-2015-8460, CVE-2015-8636, CVE-2015-8645).

Acknowledgments

  • Natalie Silvanovich of Google Project Zero (CVE-2015-8644)
  • Anonymous working with HP's Zero Day Initiative (CVE-2015-8638, CVE-2015-8639, CVE-2015-8647, CVE-2015-8648, CVE-2015-8649, CVE-2015-8650)
  • Yuki Chen of Qihoo 360 Vulcan Team (CVE-2015-8640, CVE-2015-8641, CVE-2015-8642, CVE-2015-8643, CVE-2015-8646)
  • Jie Zeng of Qihoo 360 (CVE-2015-8460)
  • Ben Hawkes, Mateusz Jurczyk and Natalie Silvanovich of Google Project Zero (CVE-2015-8634, CVE-2015-8635, CVE-2015-8636)
  • Kai Kang of Tencent's Xuanwu LAB (CVE-2015-8459)
  • Jaehun Jeong (@n3sk) of WINS, WSEC Analysis Team working with Chromium Vulnerability Reward Program (CVE-2015-8645)
  • Nicolas Joly of Microsoft Vulnerability Research (CVE-2016-0959)

Revisions

December 29, 2015: Removed the acknowledgment for CVE-2015-8651. 

June 23, 2016: Added reference for CVE-2016-0959, which was resolved in these updates but inadvertently omitted from the original version of the bulletin.