Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Internet Explorer URL Cache Memory Corruption (MS08-073; CVE-2008-4260)

Check Point Reference: CPAI-2008-182
Date Published: 9 Dec 2008
Severity: Critical
Last Updated: Tuesday 09 December, 2008
Industry Reference:CVE-2008-4260
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 has been reported in the way Microsoft Internet Explorer accesses an object that has been deleted. The vulnerability is due to a memory corruption error in Internet Explorer when it attempts to access an object that has been deleted. An attacker can trigger this flaw by convincing a user to view a specially crafted HTML document. Successful exploitation of this vulnerability allows execution of arbitrary code on a 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 R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Internet Explorer URL Cache Memory Corruption (MS08-073) 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:  Microsoft Internet Explorer URL cache memory corruption (MS08-073)

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