Check Point Advisories

Mozilla Firefox JIT escape Function Memory Corruption - Ver2 (CVE-2009-2477)

Check Point Reference: CPAI-2009-403
Date Published: 16 Apr 2014
Severity: High
Last Updated: Wednesday 16 April, 2014
Source:
Industry Reference:CVE-2009-2477
Protection Provided by:

Security Gateway
R81, R80, R77, R75

Who is Vulnerable?
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, and various graphic formats, and so on. The browser runs on Windows, Macintosh, Unix and Linux based platforms. A memory corruption vulnerability exists in Mozilla Firefox. This flaw is due to the way Mozilla Firefox handles JIT escape Function calls. A remote attacker can exploit this vulnerability by enticing a 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 will depend on the intented purpose of the injected code. Any code injected would run in the security privileges of the currently logged on user. In case of an attack where code injection is not successful, Firefox may terminate abnormally.

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 JIT escape Function Memory Corruption - Ver2 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 JIT escape Function Memory Corruption - Ver2

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