Check Point Advisories

Internet Explorer CElement Use After Free Code Execution (MS13-021; CVE-2013-0091)

Check Point Reference: CPAI-2013-1332
Date Published: 12 Mar 2013
Severity: Critical
Last Updated: 22 Oct 2018
Industry Reference:CVE-2013-0091
Protection Provided by:

Security Gateway
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 a target victim to open a specially crafted web page. Successful exploitation could cause memory corruption in a way that would allow attackers to execute code on the target.

Protection Overview

This protection will detect and block attempts to open a malicious 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 CElement Use After Free Code Execution (MS13-021) 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 CElement Use After Free Code Execution (MS13-021)

This website uses cookies to ensure you get the best experience. Got it, Thanks! MORE INFO