Adobe Reader October Security Update

Critical vulnerabilities have been identified in Adobe Reader 9.1.3 and Acrobat 9.1.3, Adobe Reader 8.1.6 and Acrobat 8.1.6 for Windows, Macintosh and UNIX, and Adobe Reader 7.1.3 and Acrobat 7.1.3 for Windows and Macintosh.

These vulnerabilities could cause the application to crash and could potentially allow an attacker to take control of the affected system. This update represents the second quarterly security update for Adobe Reader and Acrobat.

Adobe recommends users of Adobe Reader 9.1.3 and Acrobat 9.1.3 and earlier versions update to Adobe Reader 9.2 and Acrobat 9.2. Adobe recommends users of Acrobat 8.1.6 and earlier versions update to Acrobat 8.1.7, and users of Acrobat 7.1.3 and earlier versions update to Acrobat 7.1.4.

For Adobe Reader users who cannot update to Adobe Reader 9.2, Adobe has provided the Adobe Reader 8.1.7 and Adobe Reader 7.1.4 updates. Updates apply to all platforms: Windows, Macintosh and UNIX.

Affected software versions:

- Adobe Reader 9.1.3 and earlier versions for Windows, Macintosh, and UNIX

- Adobe Acrobat 9.1.3 and earlier versions for Windows and Macintosh

Solution:

- Adobe Reader

Adobe Reader users on Windows can find the appropriate update here:

http://www.adobe.com/support/downloads/product.jsp?product=10&platform=Windows

- Acrobat

Acrobat Standard and Pro users on Windows can find the appropriate update here:

http://www.adobe.com/support/downloads/product.jsp?product=1&platform=Windows

Acrobat Pro Extended users on Windows can find the appropriate update here:

http://www.adobe.com/support/downloads/product.jsp?product=158&platform=Windows

Acrobat 3D users on Windows can find the appropriate update here:

http://www.adobe.com/support/downloads/product.jsp?product=112&platform=Windows

Severity Rating:

Adobe categorizes this as a critical update.

NOTE:

There are reports that this issue is being exploited in the wild, via limited, targeted attacks.

This update resolves a memory corruption issue that could potentially lead to code execution.

This update resolves multiple heap overflow vulnerabilities that could potentially lead to code execution.

This update resolves an invalid array index issue that could potentially lead to code execution.

Regards

Marc Liron – Microsoft MVP