Check Point Advisories

Mozilla Firefox Browser Engine Memory Corruption (CVE-2009-3382)

Check Point Reference: CPAI-2009-441
Date Published: 11 Mar 2010
Severity: Critical
Last Updated: Sunday 25 December, 2016
Source:
Industry Reference:CVE-2009-3382
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Mozilla Firefox 3.0.14
Mozilla Firefox 3.0.13
Mozilla Firefox 3.0.12
Mozilla Firefox 3.0.11
Mozilla Firefox 3.0.10
Mozilla Firefox 3.0.9
Mozilla Firefox 3.0.8
Mozilla Firefox 3.0.7
Mozilla Firefox 3.0.6
Mozilla Firefox 3.0.5
Mozilla Firefox 3.0.4
Mozilla Firefox 3.0.3
Mozilla Firefox 3.0.2
Mozilla Firefox 3.0.1
Mozilla Firefox 3.0
Vulnerability Description Mozilla Firefox is a web browser developed by Mozilla Foundation. The browser is capable of interpreting and rendering many types of content published on the Internet, including various versions of HTML, XML, XUL, JavaScript, various graphics formats, and so on. The browser runs on the Windows, Macintosh, Unix and Linux based platforms. A memory corruption vulnerability exists in Mozilla Firefox web browser. The vulnerability is due to an implementation error when handling the first letter frame. A remote attacker can exploit this vulnerability by enticing the target user to open a malicious web page. In case of an attack where code injection and execution is successful, the behavior of the target is dependent on the intented purpose of the injected code. Any code injected will run with the privileges of the currently logged on user. In case of an attack where code injection is not successful, the vulnerable application will terminate as a result of invalid memory access.

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 Browser Engine 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 browser engine memory corruption

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