Check Point Advisories

Microsoft Edge Chakra OP_Memset Type Confusion

Vulnerability
Protection

Check Point Reference:	CPAI-2018-1109
Date Published:	20 Nov 2018
Severity:	High
Last Updated:	Tuesday 27 November, 2018
Source:	Project zero
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	A type confusion vulnerability exists in Microsoft Edge.
Vulnerability Description	A type confusion vulnerability exists in Microsoft Edge. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code.

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 Microsoft Edge Chakra OP_Memset Type Confusion 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: Microsoft Edge Chakra OP_Memset Type Confusion