Check Point Advisories

Internet Explorer cloneNode Use After Free Remote Code Execution (MS12-063; CVE-2012-2557)

Check Point Reference: CPAI-2012-607
Date Published: 22 Sep 2012
Severity: Critical
Last Updated: Wednesday 24 October, 2012
Source:
Industry Reference:CVE-2012-2557
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description A remote code execution vulnerability has been reported in Microsoft Internet Explorer. The vulnerability is due to an error in the way Internet Explorer accesses an object in memory that has been deleted. A remote attacker can exploit this issue by enticing the victim to open a specially crafted web page. Successful exploitation would allow an attacker to execute arbitrary code on the target.

Protection Overview

This protection will detect and block attempts to open a specially crafted HTML file.

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

  1. In the IPS tab, click Protections and find the Internet Explorer cloneNode Use After Free Remote Code Execution (MS12-063) protection using the Search tool and Edit the protection's settings.
  2. 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 cloneNode Use After Free Remote Code Execution (MS12-063)

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