Check Point Advisories

Internet Explorer VML Style Remote Code Execution (MS12-023; CVE-2012-0172)

Check Point Reference: CPAI-2012-127
Date Published: 10 Apr 2012
Severity: Critical
Last Updated: Sunday 02 March, 2014
Source:
Industry Reference:CVE-2012-0172
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 Internet Explorer. The vulnerability is due to an error in the way Internet Explorer accesses an object that has been deleted. A remote attacker could trigger this vulnerability by enticing an unsuspecting victim to open a specially crafted web page. Successful exploitation may cause a memory corruption in a way that will allow an attacker to execute arbitrary code on an affected system, in the security context of the logged on user.

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 VML Style Remote Code Execution (MS12-023) 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 VML Style remote code execution (MS12-023)

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