Check Point Advisories

Google Chrome WebGL Use After Free (CVE-2020-6492)

Vulnerability
Protection

Check Point Reference:	CPAI-2022-0022
Date Published:	16 Feb 2022
Severity:	Critical
Last Updated:	Wednesday 16 February, 2022
Source:
Industry Reference:	CVE-2020-6492
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Google Chrome 81.0.4044.138 (Stable) Google Chrome 84.0.4136.5 (Dev) Google Chrome 84.0.4143.7 (Canary)
Vulnerability Description	A use-after-free vulnerability exists in Google Chrome WebGL. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Google Chrome WebGL Use After Free (CVE-2020-6492) 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 WebGL Use After Free (CVE-2020-6492)