Check Point Advisories

Microsoft Office Memory Corruption (CVE-2009-0557)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-0643
Date Published:	3 Mar 2014
Severity:	High
Last Updated:	Sunday 28 September, 2025
Source:
Industry Reference:	CVE-2009-0557
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?	Microsoft Office 2000 sp3 Microsoft Office XP sp3 Microsoft Office 2003 sp3 Microsoft Office 2004 Microsoft Office 2007 sp1 Microsoft Office 2007 sp2 Microsoft Office 2008 Microsoft Office Compatibility Pack 2007 sp1 Microsoft Office Compatibility Pack 2007 sp2 Microsoft Office Excel Viewer Microsoft Office Excel Viewer 2003 sp Microsoft Office SharePoint Server 2007 sp1 Microsoft Office SharePoint Server 2007 sp2 Microsoft Open XML File Format Converter
Vulnerability Description	A memory corruption vulnerability exists in Microsoft Office. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected 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 R81 / R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Office Memory Corruption (CVE-2009-0557) 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: Windows SMB Protection Violation.
Attack Information: Microsoft Office Memory Corruption (CVE-2009-0557)