Check Point Advisories

Microsoft Internet Explorer HTML Style Property Reference Counting Use After Free - Ver2 (CVE-2012-4787)

Vulnerability
Protection

Check Point Reference:	CPAI-2014-0831
Date Published:	3 Feb 2014
Severity:	Critical
Last Updated:	Wednesday 22 January, 2025
Source:	CVE-2012-4787
Protection Provided by:	Security Gateway R75
Who is Vulnerable?
Vulnerability Description	A use-after-free vulnerability has been reported in Microsoft 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 could exploit this vulnerability by enticing a target user to open a specially crafted web page. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

On the IPS tab, click Protections, find the protection using the search tool and edit the protection's settings.
Install policy on all modules.

On SmartView Tracker:

Click on IPS Blade > All.
Filter the logs by the Protection name