Check Point Advisories

Microsoft Windows MS-DOS Device Name Elevation of Privilege (MS15-038; CVE-2015-1644)

Vulnerability
Protection

Check Point Reference:	CPAI-2015-0420
Date Published:	14 Apr 2015
Severity:	High
Last Updated:	Tuesday 14 April, 2015
Source:	Microsoft MS15-038
Industry Reference:	CVE-2015-1644
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Windows Server 2003 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 Server Core installation
Vulnerability Description	An elevation of privilege vulnerability exists in Microsoft Windows. The vulnerability is caused when Microsoft Windows fails to properly validate and enforce impersonation levels. A remote attacker can exploit this issue by logging on to the system and running a specially crafted application designed to increase privileges.
Update/Patch Avaliable	Apply patches from: MS15-038

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 MS-DOS Device Name Elevation of Privilege (MS15-038) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Windows MS-DOS Device Name Elevation of Privilege (MS15-038)