Check Point Advisories

Internet Explorer VML Objects Use After Free (MS13-037; CVE-2013-2551)

Check Point Reference: CPAI-2013-1695
Date Published: 14 May 2013
Severity: Critical
Last Updated: 11 Jan 2017
Industry Reference:CVE-2013-2551
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description A buffer overflow vulnerability has been reported in Internet Explorer while accessing a dynamic array of attributes of a VML shape object. The vulnerability is due to insufficient correctness check of a VML shape object attribute and may lead to memory corruption in such a way that will allow code execution in the context of the current user. A remote attacker could trigger this flaw by convincing a victim to open a malicious HTML file.

Protection Overview

This protection will detect and block attempts to open a maliciously crafted URL.

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 Objects Use After Free (MS13-037) 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 objects use after free (MS13-037)

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