Adobe Security Bulletin

Release date: September 21, 2015

Last updated: September 23, 2015

Vulnerability identifier: APSB15-23

Priority: See table below

CVE number: CVE-2015-5567, CVE-2015-5568, CVE-2015-5570, CVE-2015-5571, CVE-2015-5572, CVE-2015-5573, CVE-2015-5574, CVE-2015-5575, CVE-2015-5576, CVE-2015-5577, CVE-2015-5578, CVE-2015-5579, CVE-2015-5580, CVE-2015-5581, CVE-2015-5582, CVE-2015-5584, CVE-2015-5587, CVE-2015-5588, CVE-2015-6676, CVE-2015-6677, CVE-2015-6678, CVE-2015-6679, CVE-2015-6682

Platform: All Platforms

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.

• 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. 

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

• Adobe recommends users of the Adobe Flash Player Desktop Runtime for Windows and Macintosh update to Adobe Flash Player 19.0.0.185 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 update to version 18.0.0.241 by visiting http://helpx.adobe.com/flash-player/kb/archived-flash-player-versions.html.
• Adobe recommends users of the Adobe Flash Player for Linux update to Adobe Flash Player 11.2.202.521 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 19.0.0.185 on Windows, Macintosh, Linux and Chrome OS.
• Adobe Flash Player installed with Microsoft Edge for Windows 10 will be automatically updated to the latest version, which will include Adobe Flash Player 19.0.0.185.
• Adobe Flash Player installed with Internet Explorer 10 and 11 for Windows 8.0 and 8.1 will be automatically updated to the latest version, which will include Adobe Flash Player 19.0.0.185.
  
• Adobe recommends users of the AIR desktop runtime, AIR SDK and AIR SDK & Compiler update to version 19.0.0.190 by visiting the AIR download center or the AIR developer center. 
• Adobe recommends users of AIR for Android update to version 19.0.0.190 by visiting the Google Play Store.
• Please visit the Flash Player Help page for assistance in installing Flash Player.

• These updates resolve a type confusion vulnerability that could lead to code execution (CVE-2015-5573). 
• These updates resolve use-after-free vulnerabilities that could lead to code execution (CVE-2015-5570, CVE-2015-5574, CVE-2015-5581, CVE-2015-5584, CVE-2015-6682). 
• These updates resolve buffer overflow vulnerabilities that could lead to code execution (CVE-2015-6676, CVE-2015-6678). 
• These updates resolve memory corruption vulnerabilities that could lead to code execution (CVE-2015-5575, CVE-2015-5577, CVE-2015-5578, CVE-2015-5580, CVE-2015-5582, CVE-2015-5588, CVE-2015-6677). 
• These updates include additional validation checks to ensure that Flash Player rejects malicious content from vulnerable JSONP callback APIs  (CVE-2015-5571). 
• These updates resolve a memory leak vulnerability (CVE-2015-5576). 
• These updates include further hardening to a mitigation to defend against vector length corruptions  (CVE-2015-5568). 
• These updates resolve stack corruption vulnerabilities that could lead to code execution (CVE-2015-5567, CVE-2015-5579). 
• These updates resolve a stack overflow vulnerability that could lead to code execution (CVE-2015-5587). 
• These updates resolve a security bypass vulnerability that could lead to information disclosure (CVE-2015-5572). 
• These updates resolve a vulnerability that could be exploited to bypass the same-origin-policy and lead to information disclosure (CVE-2015-6679).

Adobe would like to thank Wen Guanxing from Venustech ADLAB, working with the Chromium Vulnerability Rewards Program, for reporting several vulnerabilities in the Flash Player 19 beta.  Adobe would also like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers: 

• Ben Hayak (CVE-2015-5571) 
• Jing Chen Liu of Alibaba Security Research Team (CVE-2015-5587) 
• Malte Batram (CVE-2015-6679) 
• Natalie Silvanovich of Google Project Zero (CVE-2015-5574) 
• Chris Evans, Ben Hawkes and Mateusz Jurczyk of Google Project Zero (CVE-2015-5575, CVE-2015-5576, CVE-2015-5577, CVE-2015-5578, CVE-2015-5579, CVE-2015-5580, CVE-2015-5584) 
• instruder of Alibaba Security Threat intelligence centers (CVE-2015-5573, CVE-2015-6677) 
• Keen Team working with HP's Zero Day Initiative (CVE-2015-6678) 
• bilou working with HP's Zero Day Initiative (CVE-2015-5570) 
• bilou (CVE-2015-5567) 
• James Forshaw of Google Project Zero (CVE-2015-5568) 
• Kai Kang of Tencent's Xuanwu Lab (CVE-2015-5581) 
• Alexey Rekish of AddReality (CVE-2015-5572) 
• LMX of Qihoo 360 (CVE-2015-5582, CVE-2015-5588, CVE-2015-6676) 
• Yuki Chen of Qihoo 360 Vulcan Team working with Google's Chrome Rewards Program (CVE-2015-6682) 
  

September 21, 2015: Updated the credit for CVE-2015-6682 from Chris Evans to Yuki Chen of Qihoo 360 Vulcan Team. 

September 23, 2015: Added an acknowledgment for Wen Guanxing's vulnerability disclosures, through the Chromium Vulnerability Rewards Program, against the Flash Player 19 beta.