Check Point Advisories

Microsoft Win32k Elevation of Privilege (MS16-135: CVE-2016-7246)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0943
Date Published:	8 Nov 2016
Severity:	High
Last Updated:	Tuesday 08 November, 2016
Source:	Microsoft MS16-135
Industry Reference:	CVE-2016-7246
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows 7 Service Pack 1 Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 Windows 8.1 Windows Server 2012 Windows Server 2012 R2 Windows RT 8.1 Windows 10 Windows 10 Version 1511 Windows 10 Version 1607 Windows Server 2016 for x64-based Systems Windows Server 2008 R2 for x64-based Systems Service Pack 1 Windows Server 2016 for x64-based Systems
Vulnerability Description	An elevation of privilege vulnerability exists in the Windows kernel-mode driver. The vulnerability is due to the way the driver fails to properly handle objects in memory. An attacker can exploit this vulnerability by logging on to the system and running a specially crafted application.
Update/Patch Avaliable	Apply patches from: MS16-135

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 Win32k Elevation of Privilege (MS16-135: CVE-2016-7246) 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: Content Protection Violation.
Attack Information: Microsoft Win32k Elevation of Privilege (MS16-135: CVE-2016-7246)