Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Adobe Reader PDF CIDFont Dictionary Memory Corruption (APSB11-16; CVE-2011-2105)

Check Point Reference: CPAI-2011-311
Date Published: 15 Jun 2011
Severity: Critical
Last Updated: Thursday 23 November, 2017
Industry Reference:CVE-2011-2105
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description A memory corruption vulnerability exists in Adobe Reader. The vulnerability is due to an error in the Adobe Reader when handling PDF files that contain CIDFont Dictionary entries. A remote attacker could trigger these flaws via a specially crafted PDF file. Successful exploitation will cause a memory corruption, causing the application to crash, and may allow execution of arbitrary code once a malicious PDF file is loaded on a vulnerable system.

Protection Overview

This protection will detect and block the transferring of malformed PDF files over HTTP.

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 PDF CIDFont Dictionary Memory Corruption (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 PDF CIDFont Dictionary Memory Corruption (APSB11-16)

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