Check Point Advisories

Microsoft Windows Elevation of Privilege (MS16-111: CVE-2016-3306)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0746
Date Published:	13 Sep 2016
Severity:	High
Last Updated:	Tuesday 13 September, 2016
Source:	Microsoft MS16-111
Industry Reference:	CVE-2016-3306
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Vista Windows 8.1 Windows Server 2012 Windows Server 2012 R2 Windows RT 8.1 Windows 10 Windows Server 2008 Windows 7 Windows Server 2008 R2 Server Core installation option
Vulnerability Description	An elevation of privilege vulnerability exists in Microsoft Windows Server. The vulnerability is caused when Microsoft Windows fails to handle executable programs being ran by two users. A remote attacker can exploit this issue by enticing a victim to run a specially crafted file.
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-2016-3306) 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-2016-3306)