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Security bulletin

Security updates available for Adobe Reader and Acrobat

Release date: June 14, 2011

Last updated: November 14, 2011

Vulnerability identifier: APSB11-16

CVE numbers: CVE-2011-2094, CVE-2011-2095, CVE-2011-2096, CVE-2011-2097, CVE-2011-2098, CVE-2011-2099, CVE-2011-2100, CVE-2011-2101, CVE-2011-2102, CVE-2011-2103, CVE-2011-2104, CVE-2011-2105, CVE-2011-2106

Platform: All Platforms

Summary

Critical vulnerabilities have been identified in Adobe Reader X (10.0.1) and earlier versions for Windows, Adobe Reader X (10.0.3) and earlier versions for Macintosh, Adobe Reader 9.4.2 and earlier versions for UNIX, and Adobe Acrobat X (10.0.3) and earlier versions for Windows and Macintosh. These vulnerabilities could cause the application to crash and potentially allow an attacker to take control of the affected system.

These updates also incorporate the Adobe Flash Player updates as noted in Security Bulletin APSB11-12 and Security Bulletin APSB11-13. The update for Adobe Reader X (10.x) for Windows also incorporate the updates previously addressed in all other supported versions of Adobe Reader and Acrobat as noted in Security Bulletin APSB11-06 and Security Bulletin APSB11-08.

Adobe recommends users of Adobe Reader X (10.0.3) and earlier versions for Windows and Macintosh update to Adobe Reader X (10.1). For users of Adobe Reader 9.4.4 and earlier versions for Windows and Macintosh, who cannot update to Adobe Reader X (10.1), Adobe has made available updates, Adobe Reader 9.4.5 and Adobe Reader 8.3. Adobe recommends users of Adobe Acrobat X (10.0.3) for Windows and Macintosh update to Adobe Acrobat X (10.1). Adobe recommends users of Adobe Acrobat 9.4.4 and earlier versions for Windows and Macintosh update to Adobe Acrobat 9.4.5, and users of Adobe Acrobat 8.2.6 and earlier versions for Windows and Macintosh update to Adobe Acrobat 8.3. Adobe recommends users of Adobe Reader 9.4.5 and earlier versions for UNIX update to Adobe Reader 9.4.6.

The next quarterly security updates for Adobe Reader and Acrobat are currently scheduled for September 13, 2011.

Affected software versions

  • Adobe Reader X (10.0.1) and earlier 10.x versions for Windows
  • Adobe Reader X (10.0.3) and earlier 10.x versions for Macintosh
  • Adobe Reader 9.4.4 and earlier 9.x versions for Windows, Macintosh and UNIX
  • Adobe Reader 8.2.6 and earlier 8.x versions for Windows and Macintosh
  • Adobe Acrobat X (10.0.3) and earlier 10.x versions for Windows and Macintosh
  • Adobe Acrobat 9.4.4 and earlier 9.x versions for Windows and Macintosh
  • Adobe Acrobat 8.2.6 and earlier 8.x versions for Windows and Macintosh

Solution

Adobe recommends users update their software installations by following the instructions below:

Adobe Reader
Users can utilize the product's update mechanism. The default configuration is set to run automatic update checks on a regular schedule. Update checks can be manually activated by choosing Help > Check for Updates.

Adobe Reader users on Windows can also find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows.

Adobe Reader users on Macintosh can also find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Macintosh.

Adobe Reader users on UNIX can find the appropriate update here:
ftp://ftp.adobe.com/pub/adobe/reader/unix/9.x/

Adobe Acrobat
Users can utilize the product's update mechanism. The default configuration is set to run automatic update checks on a regular schedule. Update checks can be manually activated by choosing Help > Check for Updates.

Acrobat Standard and Pro users on Windows can also find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows.

Acrobat Pro Extended users on Windows can also find the appropriate update here: http://www.adobe.com/support/downloads/product.jsp?product=158&platform=Windows.

Acrobat 3D users on Windows can also find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=112&platform=Windows.

Acrobat Pro users on Macintosh can also find the appropriate update here:
http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Macintosh.

Severity rating

Adobe categorizes these as critical updates and recommends that users apply the latest updates for their product installations by following the instructions in the "Solution" section above.

Details

Critical vulnerabilities have been identified in Adobe Reader X (10.0.1) and earlier versions for Windows, Adobe Reader X (10.0.3) and earlier versions for Macintosh, Adobe Reader 9.4.2 and earlier versions for UNIX, and Adobe Acrobat X (10.0.3) and earlier versions for Windows and Macintosh. These vulnerabilities could cause the application to crash and potentially allow an attacker to take control of the affected system.

Adobe recommends users of Adobe Reader X (10.x) and earlier versions for Windows and Macintosh update to Adobe Reader X (10.1). For users of Adobe Reader 9.4.4 and earlier versions for Windows and Macintosh, who cannot update to Adobe Reader X (10.1), Adobe has made available updates, Adobe Reader 9.4.5 and Adobe Reader 8.3. Adobe recommends users of Adobe Acrobat X (10.0.3) for Windows and Macintosh update to Adobe Acrobat X (10.1). Adobe recommends users of Adobe Acrobat 9.4.4 and earlier versions for Windows and Macintosh update to Adobe Acrobat 9.4.5, and users of Adobe Acrobat 8.2.6 and earlier versions for Windows and Macintosh update to Adobe Acrobat 8.3. Adobe recommends users of Adobe Reader 9.4.5 and earlier versions for UNIX update to Adobe Reader 9.4.6.

These updates resolve a buffer overflow vulnerability that could lead to code execution (CVE-2011-2094).

These updates resolve a buffer overflow vulnerability that could lead to code execution (CVE-2011-2095).

These updates resolve a heap overflow vulnerability that could lead to code execution (CVE-2011-2096).

These updates resolve a buffer overflow vulnerability that could lead to code execution (CVE-2011-2097).

These updates resolve a memory corruption vulnerability that could lead to code execution (CVE-2011-2098).

These updates resolve a memory corruption vulnerability that could lead to code execution (CVE-2011-2099).

These updates resolve a DLL loading vulnerability that could lead to code execution (CVE-2011-2100).

These updates resolve a cross document script execution vulnerability that could lead to code execution (CVE-2011-2101).

These updates resolve a security bypass vulnerability (CVE-2011-2102).
Note: Update is for Adobe Reader and Acrobat X (10.x) only.

These updates resolve a memory corruption vulnerability that could lead to code execution (CVE-2011-2103).
Note: Affects 8.x versions only.

These updates resolve a memory corruption denial of service (CVE-2011-2104).

These updates resolve a memory corruption (CVE-2011-2105).

These updates resolve a memory corruption vulnerability that could lead to code execution (Macintosh only) (CVE-2011-2106).

These updates also incorporate the Adobe Flash Player update as noted in Security Bulletin APSB11-12 and Security Bulletin APSB11-13. The update for Adobe Reader X (10.x) for Windows also incorporate the updates previously addressed in all other supported versions of Adobe Reader and Acrobat as noted in Security Bulletin APSB11-06 and Security Bulletin APSB11-08.

The next quarterly security updates for Adobe Reader and Acrobat are currently scheduled for September 13, 2011.

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

November 14, 2011 - Added information on UNIX.
June 15, 2011 - Updated with Adobe Reader X (10.x) for Windows information.
June 14, 2011 - Bulletin released.