Check Point Advisories

Mozilla IFRAME Style Change Handling Code Execution (CVE-2008-1236)

Check Point Reference: CPAI-2008-274
Date Published: 11 Jan 2010
Severity: High
Last Updated: Wednesday 29 April, 2015
Source:
Industry Reference:CVE-2008-1236
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Firefox is an open source web browser developed by Mozilla Foundation. The application is capable of interpreting and rendering many types of Internet content, including various versions of HTML, XML, CSS (Cascade Style Sheet), Javascript, various graphic formats, and so on. Firefox is made available for Windows, Macintosh, Unix and Linux based platforms. There exists a memory corruption vulnerability in Mozilla Firefox products. The flaw is due to an improper handling of changes to style elements of IFrame objects. A remote attacker can exploit this vulnerability by persuading the target user to open a malicious webpage. Successful attacks could allow for arbitrary code injection and execution with the privileges of the currently logged on user. 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 injected code will run within the security context of the currently logged in user. In case of an attack where code injection is unsuccessful, 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 IFRAME Style Change Handling Code Execution 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 IFRAME Style change handling code execution

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