Check Point Advisories

Microsoft Windows CLFS Driver Elevation of Privilege (MS16-134: CVE-2016-3342)

Check Point Reference: CPAI-2016-0840
Date Published: 8 Nov 2016
Severity: High
Last Updated: Tuesday 08 November, 2016
Source: Microsoft MS16-134
Industry Reference:CVE-2016-3342
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 Server 2012
Windows Server 2012 R2
Windows Server 2008 R2 for x64-based Systems Service Pack 1
Windows Server 2008 R2 for Itanium-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 7 for 32-bit Systems Service Pack 1
Windows 7 for x64-based Systems Service Pack 1
Windows 8.1 for 32-bit Systems
Windows 8.1 for x64-based Systems
Windows RT 8.1
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
Vulnerability Description An elevation of privilege vulnerability exists in the Windows Common Log File System Driver. The vulnerability is caused when the Windows Common Log File System Driver fails to properly handle objects in memory. A remote attacker can exploit this vulnerability by running a specially exe file.
Update/Patch AvaliableApply patches from: MS16-134

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

  1. In the IPS tab, click Protections and find the Microsoft Windows CLFS Driver Elevation of Privilege (MS16-134: CVE-2016-3342) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Windows CLFS Driver Elevation of Privilege (MS16-134: CVE-2016-3342)

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