Check Point Advisories

Microsoft Edge Use After Free (MS16-095: CVE-2016-3326)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0670
Date Published:	9 Aug 2016
Severity:	Medium
Last Updated:	Thursday 20 October, 2016
Source:	Microsoft MS16-095
Industry Reference:	CVE-2016-3326
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Internet Explorer 9 Internet Explorer 10 Internet Explorer 11 Microsoft Edge
Vulnerability Description	A use after free vulnerability exists in Microsoft Edge. The vulnerability is due to incorrect memory handling leading to a use after free condition when processing a maliciously crafted file. Successful exploitation of this issue could allow an attacker to execute arbitrary code on the remote system.
Update/Patch Avaliable	Apply patches from: MS16-095

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 Use After Free (MS16-095: CVE-2016-3326) 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 Use After Free (MS16-095: CVE-2016-3326)