Check Point Advisories

Microsoft .NET Framework CLI Loader Memory Corruption (CVE-2007-0041)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-072
Date Published:	19 Mar 2012
Severity:	Medium
Last Updated:	Sunday 01 June, 2014
Source:
Industry Reference:	CVE-2007-0041
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A memory corruption vulnerability has been reported in Microsoft. The vulnerability is due to an error in the Common Language Infrastructure (CLI) Loader which does not properly parse certain crafted data. A remote attacker can exploit this vulnerability by persuading a target user to open a specially crafted CLI file.

Protection Overview

This protection will detect and block malformed CLI files.

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 .NET Framework CLI Loader Memory Corruption 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 .NET Framework CLI Loader memory corruption