Check Point Advisories

Microsoft Windows Mail Insecure Library Loading Code Execution (MS11-085; CVE-2011-2016)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-506
Date Published:	8 Nov 2011
Severity:	Critical
Last Updated:	Tuesday 04 November, 2014
Source:
Industry Reference:	CVE-2011-2016
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	A remote code execution vulnerability has been reported in Microsoft Windows Mail and Windows Meeting Space. The vulnerability is due to an error in the way the application improperly restricts the path loading of dynamic link library (DLL) files. A remote attacker may exploit this vulnerability by enticing a target user to open a legitimate .eml or .wcinv file that is located in the same network directory as a specially crafted dynamic link library (DLL) file. Successful exploitation could allow an attacker to take complete control over an affected system.

Protection Overview

This protection will detect and block attempts to transfer malicious DLL files over CIFS and WebDav.

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 / R65

In the IPS tab, click Protections and find the Microsoft Windows Mail Insecure Library Loading Code Execution (MS11-085) 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 Mail insecure library loading code execution (MS11-085)