Check Point Advisories

Internet Explorer Table Layout Handling Memory Corruption (MS09-054; CVE-2009-2531)

Check Point Reference: CPAI-2009-224
Date Published: 13 Oct 2009
Severity: Critical
Last Updated: Wednesday 21 June, 2023
Source:
Industry Reference:CVE-2009-2531
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description Microsoft Internet Explorer is the most widely used Internet browser. A remote code execution vulnerability exists in the way Internet Explorer accesses an object that has not been correctly initialized or has been deleted. The vulnerability occurs when Internet Explorer attempts to access an object that has not been initialized or has been deleted, specifically when handling table layouts, it may corrupt memory in such a way that an attacker could execute arbitrary code on the vulnerable system.

Protection Overview

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

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 R81 / R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Internet Explorer Table Layout Handling Memory Corruption (MS09-054) 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 Table Layout Handling Memory Corruption (MS09-054)

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