Check Point Advisories

Microsoft Office Excel Document Parsing Memory Corruption (MS09-067; CVE-2009-3133)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-298
Date Published:	19 Nov 2009
Severity:	High
Last Updated:	Thursday 19 November, 2009
Source:
Industry Reference:	CVE-2009-3133
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Microsoft Excel is a popular spreadsheet application. A memory corruption vulnerability has been identified in Microsoft Excel. A remote attacker could exploit this issue via a malformed Excel file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.

Protection Overview

This protection will detect and block the transferring of malformed Excel 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 Excel Document Parsing Memory Corruption (MS09-067) 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 Excel document parsing memory corruption (MS09-067)