Check Point Advisories

Mozilla Multiple Products CSSValue Array Memory Corruption (CVE-2008-2785)

Check Point Reference: CPAI-2008-307
Date Published: 3 Jun 2010
Severity: Medium
Last Updated: Thursday 03 June, 2010
Source:
Industry Reference:CVE-2008-2785
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Firefox is an open source web browser developed by Mozilla Foundation. The application is capable of interpreting and rendering many types of Internet content, including various versions of HTML, XML, CSS (Cascade Style Sheet), JavaScript, various graphic formats, and so on. Firefox is made available for Windows, Macintosh, Unix and Linux based platforms. There exists a memory corruption vulnerability in Mozilla Firefox products. The vulnerability is due to a design error in Mozilla's internal array data structure. A remote unauthenticated attacker can exploit this vulnerability by enticing the target user to open a malicious webpage. Successful attack could allow for arbitrary code injection and execution with the privileges of the currently logged on user. In case of an attack where code injection is not successful, the affected application will terminate abnormally. In case of an attack where code injection and execution is successful, the behavior of the target 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 current 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 Mozilla Multiple Products CSSValue Array 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:  Web Client Enforcement Violation.
Attack Information:  Mozilla multiple products CSSValue array memory corruption

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