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Check Point Advisories

Microsoft Windows Kernel Elevation of Privilege (MS17-017: CVE-2017-0050)

Check Point Reference: CPAI-2017-0163
Date Published: 14 Mar 2017
Severity: High
Last Updated: 14 Mar 2017
Source: Microsoft Security Bulletin MS17-017
Industry Reference:CVE-2017-0050
Protection Provided by:

Security Gateway
R80, R77, R76, 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
Windows Server 2016
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
Windows Server 2012 (Server Core installation)
Windows Server 2012 R2 (Server Core installation)
Windows Server 2016 for x64-based Systems (Server Core installation)
Vulnerability Description An elevation of privilege vulnerability exists in Microsoft Windows. The vulnerability is due to the way Windows kernel API enforces permissions. A remote attacker can exploit this vulnerability by enticing a user to run a specially crafted executable.
Update/Patch AvaliableApply patches from: MS17-017

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Windows Kernel Elevation of Privilege (MS17-017: CVE-2017-0050) 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 Kernel Elevation of Privilege (MS17-017: CVE-2017-0050)