Check Point Advisories

Microsoft Excel TXO and OBJ Records Parsing Memory Corruption (MS08-074; CVE-2008-4265; CVE-2009-0100)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-076
Date Published:	14 Apr 2009
Severity:	Critical
Last Updated:	Tuesday 29 September, 2015
Source:
Industry Reference:	CVE-2008-4265 CVE-2009-0100
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 remote code execution vulnerability has been identified in the Microsoft Excel. The vulnerability is due to a memory corruption error in Microsoft Excel when loading Excel records. An attacker can exploit this flaw to execute arbitrary code on a vulnerable system via a specially crafted Excel file.

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 Excel TXO and OBJ Records Parsing Memory Corruption (MS08-074) 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 Excel TXO and OBJ records parsing memory corruption (MS08-074)