Check Point Advisories

Google Chrome V8 Out-of-Bounds Write (CVE-2021-30632)

Vulnerability
Protection

Check Point Reference:	CPAI-2021-0685
Date Published:	19 Sep 2021
Severity:	High
Last Updated:	Sunday 19 September, 2021
Source:
Industry Reference:	CVE-2021-30632
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Google Chrome prior to 93.0.4577.82
Vulnerability Description	An out of bounds write vulnerability exists in Google Chrome V8. Successful exploitation of this vulnerability could cause heap corruption in 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 V8 Out-of-Bounds Write (CVE-2021-30632) 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 V8 Out-of-Bounds Write (CVE-2021-30632)