Check Point Advisories

Microsoft GDI+ Office Excel Art Parsing Memory Corruption (MS09-062; CVE-2009-2528)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-218
Date Published:	13 Oct 2009
Severity:	High
Last Updated:	Tuesday 13 October, 2009
Source:
Industry Reference:	CVE-2009-2528
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description	Microsoft Excel is a popular spreadsheet application. A remote code execution vulnerability has been discovered in the way that GDI+ parses Microsoft Office Art in Excel files.The vulnerability is due to an error in the code responsible for parsing Office Art Property Tables that allows an attacker to control a memory pointer with values read directly from the file.An attacker can exploit this flaw to execute arbitrary code on a vulnerable system via a malicious Excel file.

Protection Overview

This protection will detect and block the transferring of malicious Office 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

In the IPS tab, click Protections and find the Microsoft GDI+ Office Excel Art Parsing Memory Corruption (MS09-062) 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 GDI+ Office Excel art parsing memory corruption (MS09-062)