Check Point Advisories

Microsoft Windows Audio Service Elevation of Privilege (MS14-071; CVE-2014-6322)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1974
Date Published:	11 Nov 2014
Severity:	High
Last Updated:	Tuesday 11 November, 2014
Source:	Microsoft MS14-071
Industry Reference:	CVE-2014-6322
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?	Windows Vista Windows Server 2008 Windows 7 Windows Server 2008 R2 Windows 8 and Windows 8.1 Windows Server 2012 and Windows Server 2012 R2 Windows RT and Windows RT 8.1
Vulnerability Description	An elevation of privilege vulnerability has been reported in Windows audio service that could be exploited through Internet Explorer. The vulnerability is due to the way Internet Explorer improperly validates permissions under specific conditions. A remote attacker may exploit this issue by enticing a target user to open a specially crafted web page.
Update/Patch Avaliable	Apply patches from: MS14-071

Protection Overview

This protection will detect and block 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 / R71 / R70

In the IPS tab, click Protections and find the Microsoft Windows Audio Service Elevation of Privilege (MS14-071) 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 Audio Service Elevation of Privilege (MS14-071)