Remote code execution in Adobe Flash Player

Published: 2016-06-14 10:59:55 | Updated: 2017-02-13
Severity Critical
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2016-4171
CVSSv3 8.9 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C]
CWE ID CWE-119
Exploitation vector Network
Public exploit This vulnerability is being exploited in the wild.
Vulnerable software Adobe Flash Player
Adobe Flash Player Extended Support Release
Adobe Flash Player for Linux
Vulnerable software versions Adobe Flash Player 21.0.0.241
Adobe Flash Player 21.0.0.216
Adobe Flash Player 21.0.0.182

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Adobe Flash Player Extended Support Release 18.0.0.268
Adobe Flash Player Extended Support Release 18.0.0.324
Adobe Flash Player Extended Support Release 18.0.0.343

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Adobe Flash Player for Linux 11.2.202.481
Adobe Flash Player for Linux 11.2.202.468
Adobe Flash Player for Linux 11.2.202.491

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Vendor URL Adobe

Security Advisory

1) Memory corruption

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to boundary error when handling .swf files. A remote attacker can create a specially crafted SWF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in arbitrary code execution on the vulnerable system.

Note: the vulnerability was being actively exploited.


Remediation

Update your Flash Player to the latest version.

  • Adobe recommends users of the  Adobe Flash Player Desktop Runtime for Windows and Macintosh update to 22.0.0.192 via the update mechanism within the product when prompted [1], or by visiting the Adobe Flash Player Download Center.
  • Adobe recommends users of the Adobe Flash Player Extended Support Release should update to version 18.0.0.360 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 11.2.202.626 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 22.0.0.192 for Windows, Macintosh, Linux and Chrome OS.
  • Adobe Flash Player installed with Microsoft Edge and Internet Explorer for Windows 10 and 8.1 will be automatically updated to the latest version, which will include Adobe Flash Player 22.0.0.192. 
  • Please visit the Flash Player Help page for assistance in installing Flash Player.

External links

https://helpx.adobe.com/security/products/flash-player/apsa16-03.html
https://helpx.adobe.com/security/products/flash-player/apsb16-18.html

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