Check Point Advisories

Mozilla Firefox DOMNodeRemoved Memory Corruption (CVE-2006-2779)

Check Point Reference: CPAI-2006-248
Date Published: 4 Mar 2010
Severity: High
Last Updated: Thursday 04 March, 2010
Source:
Industry Reference:CVE-2006-2779
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The Firefox web browser is an application designed for tasks related to browsing the web, such as displaying HTML encoded pages, downloading files, and so forth. The browser is capable of interpreting various HTML specifications, as well as client side scripting models and languages. A memory corruption vulnerability has been discovered in the Mozilla Firefox product. The flaw concerns document structure changes during a certain event. Exploitation of this vulnerability may possibly result in arbitrary code execution on the target user's host. In case of an attack where code injection is unsuccessful, the vulnerable browser application will terminate. All instances of the Firefox browser will be shut down. In case of an attack where code injection is successful, the flow of the vulnerable process will be diverted to an arbitrary location. The behavior of the host is dependent on the intented purpose of the injected code.

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 Firefox DOMNodeRemoved 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 Firefox DOMNodeRemoved memory corruption

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