Check Point Advisories

Google Chrome PresentationAvailabilityState Use After Free

Vulnerability
Protection

Check Point Reference:	CPAI-2019-1015
Date Published:	20 Aug 2019
Severity:	High
Last Updated:	Tuesday 20 August, 2019
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Chromium 74.0.3729.0 (Developer Build) (64-bit) Chromium 76.0.3789.0 (Developer Build) (64-bit)
Vulnerability Description	A use-after-free vulnerability exists in Chrome browser. 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 R80 / R77 / R75

In the IPS tab, click Protections and find the Google Chrome PresentationAvailabilityState Use After Free 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 PresentationAvailabilityState Use After Free