Check Point Advisories

Microsoft Office Word STSH Record Parsing Memory Corruption

Vulnerability
Protection

Check Point Reference:	CPAI-2011-326
Date Published:	27 Jun 2011
Severity:	High
Last Updated:	Sunday 13 December, 2015
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	A code execution vulnerability has been reported in Microsoft Office Word 2002. Remote attacker could trigger this flaw by enticing a user to open a specially crafted Word document. Successful exploitation would cause memory corruption that may lead to arbitrary code execution resulting in a Denial of Service condition.

Protection Overview

This protection will detect and block the transferring of malformed Word 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 Word STSH Record Parsing Memory Corruption 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 Word STSH record parsing memory corruption