Check Point Advisories

Microsoft .NET Framework Arbitrary Memory Modification (MS09-061; CVE-2009-2497)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-266
Date Published:	26 Oct 2009
Severity:	High
Last Updated:	Monday 26 October, 2009
Source:
Industry Reference:	CVE-2009-2497
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	The Microsoft .NET Framework is a software framework that includes a large library of coded solutions to common programming problems and a virtual machine that manages the execution of programs written specifically for the framework. A remote code execution vulnerability exists in the Microsoft .NET Framework. An attacker could exploit this issue by constructing a specially crafted Web page that when viewed by a user, could allow the attacker to execute arbitrary code remotely.

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 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft .NET Framework Arbitrary Memory Modification (MS09-061) 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 arbitrary memory modification (MS09-061)