Check Point Advisories

Microsoft Excel VisualBasic Object Validation Code Execution (MS08-057) - Ver2 (CVE-2008-3477)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-1117
Date Published:	3 Mar 2014
Severity:	Critical
Last Updated:	Tuesday 28 April, 2015
Source:
Industry Reference:	CVE-2008-3477
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Microsoft Excel is a popular spreadsheet application. A remote code execution vulnerability has been identified in the way Microsoft Excel processes compiled VBA Projects. The vulnerability is due to an error in Microsoft Excel that fails to perform sufficient validation when using the Calendar Object. 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 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 R80 / R77 / R75

In the IPS tab, click Protections and find the Microsoft Excel VisualBasic Object Validation Code Execution (MS08-057) - Ver2 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 VisualBasic Object Validation Code Execution (MS08-057) - Ver2