Check Point Advisories

Google Chrome HTTP Response Handling Memory Corruption (CVE-2009-2121)

Check Point Reference: CPAI-2009-397
Date Published: 1 Feb 2010
Severity: High
Last Updated: 25 Dec 2017
Industry Reference:CVE-2009-2121
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable?
Vulnerability Description Google Chrome is a web browser developed by Google. It provides rich web browsing similar to other browsers such as FireFox, Opera, and Internet Explorer. Chrome is unique from other browsers because it follows a multi-process architecture: by default, a separate process is allocated to each site instance and plugin.A memory corruption vulnerability exists in Google Chrome that could allow remote attackers to execute arbitrary code on a vulnerable system. The vulnerability is due to an error when handling malicious HTTP responses.In case of an attack where code injection and execution is successful, the behavior of the target will depend on the intention of the attacker. Any injected code will be executed within the security context of the currently logged in user.In case of an attack where code injection and execution is unsuccessful, Chrome 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Google Chrome HTTP Response Handling Memory Corruption protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Google Chrome HTTP response handling memory corruption