Check Point Advisories

Microsoft Windows Elevation of Privilege (MS16-111: CVE-2016-3373)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0747
Date Published:	13 Sep 2016
Severity:	High
Last Updated:	Tuesday 13 September, 2016
Source:	Microsoft MS16-111
Industry Reference:	CVE-2016-3373
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Vista Service Pack 2 Windows Vista x64 Edition Service Pack 2 Windows 7 for 32-bit Systems Service Pack 1 Windows 7 for x64-based Systems Service Pack 1 Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems Service Pack 2 Windows Server 2008 for Itanium-based Systems Service Pack 2 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 for 32-bit Systems Windows RT 8.1 Windows Server 2012 and Windows Server 2012 R2 Windows 10 for 32-bit Systems Windows 10 for x64-based Systems Windows 10 Version 1511 for 32-bit Systems Windows 10 Version 1511 for x64-based Systems Windows 10 Version 1607 for 32-bit Systems Windows 10 Version 1607 for x64-based Systems Windows Server 2012 (Server Core installation) Windows Server 2012 R2 (Server Core installation)
Vulnerability Description	An elevation of privilege vulnerability exists in Microsoft Windows. A malicious user can bypass a security check in Windows to read and write registry hive files under a hidden registry hive which could enable an elevation of privilege. Successful exploitation could allow an attacker to run arbitrary code or access protected files with elevated privileges.
Update/Patch Avaliable	Apply patches from: MS16-111

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 Windows Elevation of Privilege (MS16-111: CVE-2016-3373) 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 Windows Elevation of Privilege (MS16-111: CVE-2016-3373)