Check Point Advisories

Internet Explorer Improper Ref Counting Use After Free (MS12-077) - Ver2 (CVE-2012-4787)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0059
Date Published:	7 Jan 2014
Severity:	Critical
Last Updated:	Tuesday 07 January, 2014
Source:
Industry Reference:	CVE-2012-4787
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A remote code execution vulnerability has been reported in Internet Explorer. The vulnerability is due to an error in the way Internet Explorer accesses an object that has not been correctly initialized or has been deleted. A remote attacker can exploit this issue by enticing a target user to open a specially crafted web page. Successful exploitation would allow an attacker to take complete control of the target.

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 Internet Explorer Improper Ref Counting Use After Free (MS12-077) - 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: Web Client Enforcement Violation.
Attack Information: Internet Explorer Improper Ref Counting Use After Free (MS12-077) - Ver2