Check Point Advisories

Google Chromium V8 Engine Use-After-Free (CVE-2021-4102)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-1028
Date Published:	17 Jan 2022
Severity:	High
Last Updated:	Monday 17 January, 2022
Source:
Industry Reference:	CVE-2021-4102
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Google Chromium V8 Engine Version 96.0.4664.110
Vulnerability Description	A use-after-free vulnerability exists in Google Chromium V8 Engine. 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 Chromium V8 Engine Use-After-Free (CVE-2021-4102) 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 Chromium V8 Engine Use-After-Free (CVE-2021-4102)