Check Point Advisories

Adobe Reader U3D TextureContinuationBlock Code Execution (APSB11-16; CVE-2011-2096)

Check Point Reference: CPAI-2011-316
Date Published: 21 Jun 2011
Severity: High
Last Updated: Tuesday 21 June, 2011
Source:
Industry Reference:CVE-2011-2096
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description Portable Document Format (PDF) is an open file format created by Adobe Systems. A code execution vulnerability has been reported in Adobe Reader that could cause the application to crash and potentially allow an attacker to take control of the affected system. This is an integer underflow vulnerability which leads to a memory corruption. The vulnerability is in the way that Adobe Reader calculates the ImageData field.

Protection Overview

This protection checks the validity of the ImageData field and detects and block malformed PDF files.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Adobe Reader U3D TextureContinuationBlock Code Execution (APSB11-16) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Adobe Reader Violation.
Attack Information:  Adobe Reader U3D TextureContinuationBlock code execution (APSB11-16)

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