Accessibility

Security bulletin

Security updates available for Adobe Flash Player

Release date: December 8, 2009

Last updated: December 10, 2009

Vulnerability identifier: APSB09-19

CVE numbers: CVE-2009-3794, CVE-2009-3796, CVE-2009-3797, CVE-2009-3798, CVE-2009-3799, CVE-2009-3800, CVE-2009-3951

Platform: All Platforms

Summary

Critical vulnerabilities have been identified in Adobe Flash Player version 10.0.32.18 and earlier.  These vulnerabilities could cause the application to crash and could potentially allow an attacker to take control of the affected system.

Adobe recommends users of Adobe Flash Player 10.0.32.18 and earlier versions update to Adobe Flash Player 10.0.42.34.  Adobe recommends users of Adobe AIR version 1.5.2 and earlier versions update to Adobe AIR 1.5.3.

Affected software versions

Adobe Flash Player 10.0.32.18 and earlier versions
Adobe AIR 1.5.2 and earlier versions

To verify the Adobe Flash Player version number 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.

Solution

Adobe Flash Player
Adobe recommends all users of Adobe Flash Player 10.0.32.18 and earlier versions upgrade to the newest version 10.0.42.34 by downloading it from the Flash Player Download Center or by using the auto-update mechanism within the product when prompted.

For users who cannot update to Adobe Flash Player 10, Adobe has developed a patched version of Adobe Flash Player 9, Adobe Flash Player 9.0.260, which can be downloaded from the following link: http://www.adobe.com/go/kb406791

Adobe AIR
Adobe recommends all users of Adobe AIR version 1.5.2 and earlier update to the newest version 1.5.3 by downloading it from the Adobe AIR Download Center.

Severity rating

Adobe categorizes these as critical issues and recommends affected users update their installations to the newest versions.

Details

Critical vulnerabilities have been identified in Adobe Flash Player version 10.0.32.18 and earlier.  These vulnerabilities could cause the application to crash and could potentially allow an attacker to take control of the affected system.

Adobe recommends users of Adobe Flash Player 10.0.32.18 and earlier versions update to Adobe Flash Player 10.0.42.34.  Adobe recommends users of Adobe AIR version 1.5.2 and earlier versions update to Adobe AIR 1.5.3.

This update resolves a vulnerability in the parsing of JPEG data that could potentially lead to code execution (CVE-2009-3794).

This update resolves a data injection vulnerability that could potentially lead to code execution (CVE-2009-3796).

This update resolves a memory corruption vulnerability that could potentially lead to code execution (CVE-2009-3797).

This update resolves a memory corruption vulnerability that could potentially lead to code execution (CVE-2009-3798).

This update resolves an integer overflow vulnerability that could potentially lead to code execution (CVE-2009-3799).

This update resolves multiple crash vulnerabilities that could potentially lead to code execution (CVE-2009-3800).

This update resolves a Windows-only local file name access vulnerability in the  Flash Player ActiveX control that could potentially lead to information disclosure (CVE-2009-3951). This updates the previously patched issue, CVE-2008-4820.

Affected software

Recommended player update

Availability

Flash Player 10.0.32.18 and earlier

10.0.42.34

Flash Player Download Center

Flash Player 10.0.32.18 and earlier - network distribution

10.0.42.34

Flash Player Licensing

Flash Player 10.0.32.18 and earlier for Linux

10.0.42.34

Flash Player Download Center

AIR 1.5.2

AIR 1.5.3

AIR Download Center

Flash CS4 Professional

10.0.42.34

Flash CS3 Professional

9.0.260

Flex 3

10.0.42.34


Note: The Adobe Flash Player 10.1 release, expected in the first half of 2010, will be the last version to support Macintosh PowerPC-based G3 computers. Adobe will be discontinuing support of PowerPC-based G3 computers and will no longer provide security updates after the Flash Player 10.1 release. This unavailability is due to performance enhancements that cannot be supported on the older PowerPC architecture.

Acknowledgements

Adobe would like to thank the following individuals and organizations for reporting the relevant issues and for working with Adobe to help protect our customers:

Revisions

December 10, 2009 - Bulletin updated with corrected version numbers in Details section and link to Flash Player 9 under Solution.
December 9, 2009 - Bulletin updated with details for Flash CS4 Professional, Flash CS3 Professional and Flex 3
December 8, 2009 - Bulletin released