Check Point Advisories

Microsoft Publisher Malformed File Parsing Memory Corruption (MS11-091; CVE-2011-3412)

Check Point Reference: CPAI-2011-571
Date Published: 13 Dec 2011
Severity: High
Last Updated: Tuesday 13 December, 2011
Source:
Industry Reference:CVE-2011-3412
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 Publisher. The vulnerability is due to an error in the way Microsoft Publisher handles memory while parsing specially crafted Publisher files. A remote attacker may exploit this vulnerability by convincing a user to open a specially crafted Publisher file, usually included as an email attachment or on a malicious web site. Successful exploitation could allow an attacker to execute arbitrary code in the security context of the logged-on user.

Protection Overview

IPS will detect and block the transferring of specially crafted Publisher 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 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Publisher Malformed File Parsing Memory Corruption (MS11-091) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Publisher malformed file parsing memory corruption (MS11-091)

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