Check Point Advisories

Microsoft Windows CSRSS Security Feature Bypass (MS16-048: CVE-2016-0151)

Vulnerability
Protection

Check Point Reference:	CPAI-2016-0253
Date Published:	12 Apr 2016
Severity:	High
Last Updated:	Sunday 05 June, 2016
Source:	Microsoft MS16-048
Industry Reference:	CVE-2016-0151
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows 8.1 Windows Server 2012 and Windows Server 2012 R2 Windows RT 8.1 Windows 10 Server Core installation option
Vulnerability Description	An elevation of privilege vulnerability exists in Microsoft Windows CSRSS. The vulnerability is due to an error in the way windows kernel verifies tokens. A remote attacker can exploit this vulnerability by enticing a user to run a specially crafted executable.
Update/Patch Avaliable	Apply patches from: MS16-048

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

In the IPS tab, click Protections and find the Microsoft Windows CSRSS Security Feature Bypass (MS16-048: CVE-2016-0151) 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 CSRSS Security Feature Bypass (MS16-048: CVE-2016-0151)