Check Point Advisories

Adobe Reader Encoded CCITT Decompression Heap Overflow (APSB11-03; CVE-2011-0567)

Check Point Reference: CPAI-2011-060
Date Published: 8 Mar 2011
Severity: Critical
Last Updated: Tuesday 20 December, 2011
Source:
Industry Reference:CVE-2011-0567
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description Adobe Reader and Acrobat is a family of computer programs developed by Adobe Systems, designed to view, create, manipulate and manage files in Adobe's core technology, the Portable Document Format (PDF), a format that has become the de facto standard in the electronic document exchange. A memory corruption vulnerability has been reported in Adobe Reader and Acrobat. The vulnerability is due to a parsing input validation error in Adobe Reader. When decompressing CCITT encoded streams, Adobe Reader can be tricked into a heap overflow by manipulating the image data to be decompressed. A remote attacker could trigger this issue via a specially crafted PDF file. Successful exploitation will create a denial of service condition, causing the application to become non-responsive, and may allow execution of arbitrary code once a malicious file is loaded on a vulnerable system.

Protection Overview

This protection detects and blocks the transferring of specially crafted 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 Encoded CCITT Decompression Heap Overflow (APSB11-03) 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 encoded CCITT decompression heap overflow (APSB11-03)

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