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Check Point Advisories

Microsoft Windows Win32k Elevation of Privilege (MS17-018: CVE-2017-0081)

Check Point Reference: CPAI-2017-0193
Date Published: 14 Mar 2017
Severity: High
Last Updated: 14 Mar 2017
Source: Microsoft Security Bulletin MS17-018
Industry Reference:CVE-2017-0081
Protection Provided by:

Security Gateway
R77, R76, R75

Who is Vulnerable? Windows 8.1
Windows Server 2012 and Windows Server 2012 R2
Windows RT 8.1
Windows 10
Windows Server 2016
Windows Server 2012
Windows Server 2016 for x64-based Systems
Vulnerability Description An elevation of privilege vulnerability exists in Microsoft Windows Win32k. The vulnerability is caused when the Windows kernel-mode driver fails to properly handle objects in memory. A remote attacker can exploit this vulnerability by running a specially crafted application.
Update/Patch AvaliableApply patches from: MS17-018

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 R77 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Windows Win32k Elevation of Privilege (MS17-018: CVE-2017-0081) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Windows Win32k Elevation of Privilege (MS17-018: CVE-2017-0081)