Check Point Advisories

Microsoft Office Visio Global Buffer Overflow (MS11-060; CVE-2011-1979)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-561
Date Published:	6 Dec 2011
Severity:	High
Last Updated:	Tuesday 06 December, 2011
Source:
Industry Reference:	CVE-2011-1979
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A remote code execution vulnerability has been reported in Microsoft Office Visio. The vulnerability is due insufficient validation of the Length value while handling UML String objects in office Visio files. A remote attacker could exploit this vulnerability by enticing a target user to open a specially crafted Visio file in an affected version of Office Visio. Successful exploitation would allow attackers to inject and execute arbitrary code with the privileges of the logged in user.

Protection Overview

This protection will detect and block the transferring of malicious Visio files.

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 Office Visio Global Buffer Overflow (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 global buffer overflow (MS11-060)