Check Point Advisories

Mozilla Products Overflow Event Handling Memory Corruption (CVE-2007-2867)

Check Point Reference: CPAI-2007-279
Date Published: 10 Aug 2010
Severity: High
Last Updated: Thursday 17 December, 2015
Source:
Industry Reference:CVE-2007-2867
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 forth. The browser is capable of interpreting various HTML specifications, as well as client side scripting models and languages. There exists a memory corruption vulnerability in Mozilla Foundation's family of browser products. The flaw is due to improper data protection when handling the "overflow" and "underflow" DOM events raised by specific document layout changes. Successful exploitation of this issue can cause a denial of service condition and may allow remote attackers to execute arbitrary code in the context of the target browser. In an attack case where code injection is not successful, the affected application will terminate abnormally. In a more sophisticated attack where code injection results is successful, the behavior of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the current 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 Mozilla Products Overflow Event Handling 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 products overflow event handling memory corruption

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