Check Point Advisories

Firefox XBM Image Processing Buffer Overflow (CVE-2005-2701)

Check Point Reference: CPAI-2005-301
Date Published: 1 Mar 2010
Severity: High
Last Updated: Monday 01 March, 2010
Source:
Industry Reference:CVE-2005-2701
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 on. The web browser is capable of rendering images of numerous types. Some of the types Firefox is able to render are Joint Photographic Experts Group (JPEG), Graphic Image File (GIF), Bitmap (BMP) and X Bit Map (XBM). A vulnerability exists in the Mozilla Firefox browser's image rendering code. The flaw is specific to an improper processing of the XBM image file format. This vulnerability allows an attacker to craft a malicious image that results in a heap buffer overflow condition which may lead to process flow diversion. In case of an attack where code injection is not successful, the affected browser application may terminate immediately when the malicious web page is opened. In case of an attack where code injection and execution is successful, the behavior of the target system is dependent on the intended purpose of the injected code. Any code injected into the vulnerable component will execute in 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 Firefox XBM Image Processing Buffer Overflow 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:  Firefox XBM image processing buffer overflow

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