Check Point Advisories

Mozilla Firefox XUL Tree Element Code Execution - Ver2 (CVE-2009-1044)

Check Point Reference: CPAI-2014-1211
Date Published: 31 Mar 2014
Severity: High
Last Updated: Monday 31 March, 2014
Source: CVE-2009-1044
Industry Reference:CVE-2009-1044
Protection Provided by:

Security Gateway
R77, R76, R75
Who is Vulnerable?
Vulnerability Description Mozilla Firefox is a very popular web browser developed by the 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. The flaw is due to a dangling pointer while processing a malicious XUL document. A remote attacker can exploit this vulnerability by enticing the target user to open a crafted web page. In a successful attack, where arbitrary code is injected and executed on the vulnerable target host, the behavior of the target system is dependent on the malicious code. Note that any code executed by the attacker runs with the privileges of the logged in user. In an attack where code execution fails, the vulnerable application will terminate abnormally while parsing the malicious document.

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,
Protection tab and select the version of your choice.

Security Gateway R77 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Mozilla Firefox XUL Tree Element Code Execution - Ver2 protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Mozilla Firefox XUL Tree Element Code Execution - Ver2

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