Check Point Advisories

Microsoft Win32k Elevation of Privilege (MS16-039: CVE-2016-0165)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0245
Date Published:	12 Apr 2016
Severity:	High
Last Updated:	Tuesday 12 April, 2016
Source:	Microsoft MS16-039
Industry Reference:	CVE-2016-0165
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Vista Windows Server 2008 Windows 7 Windows Server 2008 R2 Windows 8.1 Windows Server 2012 and Windows Server 2012 R2 Windows RT 8.1 Windows 10 Server Core installation option
Vulnerability Description	An elevation of privilege vulnerability exists in the Windows Kernel. The vulnerability is due to the way Windows deals with allocation of an Edge buffer. A remote attacker can exploit this vulnerability by running a specially crafted application.
Update/Patch Avaliable	Apply patches from: MS16-039

Protection Overview

This protection will detect and block 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 (MS16-039: CVE-2016-0165) 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 Win32k Elevation of Privilege (MS16-039: CVE-2016-0165)