Check Point Advisories

Google Chrome PropertyArray Integer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2018-0149
Date Published:	28 Feb 2018
Severity:	High
Last Updated:	Wednesday 28 February, 2018
Source:	PZ
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Google Chrome
Vulnerability Description	An integer overflow vulnerability exists in Google Chrome. The vulnerability is due to lack of input validation when Google Chrome handles huge number of integers in memory. Successful exploitation of this vulnerability can result in Integer overflow with PropertyArray.

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 PropertyArray Integer Overflow 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 PropertyArray Integer Overflow