Check Point Advisories

Internet Explorer Uninitialized Memory Corruption (MS09-034; CVE-2009-1919)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-143
Date Published:	28 Jul 2009
Severity:	Critical
Last Updated:	Wednesday 10 May, 2017
Source:
Industry Reference:	CVE-2009-1919
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Microsoft Internet Explorer is the most widely used Internet browser. A remote code execution vulnerability exists in the way Internet Explorer accesses an object that has been deleted. When Internet Explorer attempts to access an object that has been deleted, it may corrupt memory in such a way that an attacker could execute arbitrary code in the context of the logged-on user.

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 Internet Explorer Uninitialized Memory Corruption (MS09-034) 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: Web Client Enforcement Violation.
Attack Information: Internet Explorer uninitialized memory corruption (MS09-034)