Check Point Advisories

Microsoft Office Visio UMLString Code Execution (MS11-060; CVE-2011-1971)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-367
Date Published:	9 Aug 2011
Severity:	High
Last Updated:	Sunday 13 December, 2015
Source:
Industry Reference:	CVE-2011-1971
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 Visio. The vulnerability is due to insufficient validation by Microsoft Visio when processing UMLString data in Visio files. A remote attacker could exploit this issue by enticing an unsuspecting user to download and open a malicious Visio file. Successful exploitation of this vulnerability may cause system memory corruption, which may allow execution of arbitrary code on a vulnerable system and may cause the application to terminate abnormally.

Protection Overview

This protection will detect and block the transferring of malformed Visio files over HTTP.

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 Office Visio UMLString Code Execution (MS11-060) 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: Content Protection Violation.
Attack Information: Microsoft Office Visio UMLString code execution (MS11-060)