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Check Point Advisories

Microsoft Publisher Function Pointer Overwrite (MS11-091; CVE-2011-1508)

Check Point Reference: CPAI-2012-079
Date Published: 5 Mar 2012
Severity: Critical
Last Updated: 1 Sep 2016
Industry Reference:CVE-2011-1508
Protection Provided by:

Security Gateway
R80, R77, R75

Who is Vulnerable? Microsoft Office Publisher 2003
Microsoft Office Publisher 2007
Vulnerability Description A memory corruption vulnerability has been reported in Microsoft Publisher. The vulnerability is due to the way Microsoft Publisher does not properly handle memory for function pointers while parsing specially crafted Publisher files. A remote attacker may exploit this vulnerability by enticing a target user to open a web-page containing a malformed Publisher file. Successful exploitation could allow an attacker to take complete control over the target system.

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

  1. In the IPS tab, click Protections and find the Microsoft Publisher Function Pointer Overwrite (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 function pointer overwrite (MS11-091)

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