Check Point Advisories

Google Chrome Uninitialized bug_report Pointer Code Execution (CVE-2011-0479)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-075
Date Published:	28 Feb 2011
Severity:	High
Last Updated:	Monday 28 February, 2011
Source:
Industry Reference:	CVE-2011-0479
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Google Chrome is a web browser developed by Google Inc. It provides a rich web browsing experience similar to other web browsers such as Firefox, Opera, and Internet Explorer. A remote code execution vulnerability has been reported in Google Chrome. The vulnerability is due to accessing an uninitialized memory during processing of URLs with rouge extensions. Specifically, it is due to an invalid write in the browser process when trying to delete an invalid bug_report_ pointer. A remote attacker can leverage this vulnerability by enticing a target user to open a crafted web file. Successful exploitation of this vulnerability will crash the browser, and may allow execution of arbitrary code on the vulnerable system.

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

In the IPS tab, click Protections and find the Google Chrome Uninitialized bug_report Pointer Code Execution protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Google Chrome Uninitialized bug_report pointer code execution