Check Point Advisories

Adobe Acrobat PDF Font Processing Memory Corruption (CVE-2008-4813)

Check Point Reference: CPAI-2008-371
Date Published: 8 Mar 2010
Severity: High
Last Updated: Monday 08 March, 2010
Source:
Industry Reference:CVE-2008-4813
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Adobe develops products for creating, distributing, and viewing Portable Document Format (PDF) documents. Adobe Reader is a viewer application that allows for reading and the printing of PDF documents. Adobe Acrobat provides PDF authoring functionality in addition to those of viewing. A memory corruption vulnerability exists in Adobe Reader and Acrobat products. The vulnerability is due to an improper data validation when parsing crafted font data in PDF documents. Remote attackers could exploit this vulnerability by persuading the target users to open a malicious PDF document and execute arbitrary code. In case of an attack where code injection is not successful, the affected application may terminate due to memory corruption. In case of an attack where code injection and execution is successful, the behavior of the target host is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the currently logged in user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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

  1. In the IPS tab, click Protections and find the Adobe Acrobat PDF Font Processing Memory Corruption 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:  Content Protection Violation.
Attack Information:  Adobe Acrobat PDF font processing memory corruption

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