Check Point Advisories

Google Chrome Write Barrier Elimination

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0158
Date Published:	7 Mar 2018
Severity:	High
Last Updated:	Wednesday 07 March, 2018
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Google Chrome V8
Vulnerability Description	A vulnerability exists in Google Chrome. The vulnerability is due to a write barrier elimination when parsing kStoreField or kStoreElement. A remote attacker could exploit this vulnerability by enticing the target user to open a specially crafted web page.

Protection Overview

This protection detects 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 Write Barrier Elimination 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 Write Barrier Elimination