Check Point Advisories

Internet Explorer HTML Embed Tag Stack Buffer Overflow (MS08-073; CVE-2008-4261)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-180
Date Published:	9 Dec 2008
Severity:	Critical
Last Updated:	Friday 09 September, 2011
Source:
Industry Reference:	CVE-2008-4261
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 embeds objects into a Web page. The vulnerability is due to a memory corruption error in Internet Explorer When it displays a Web page that contains unexpected data while embedding an object into the page. 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

In the IPS tab, click Protections and find the Internet Explorer HTML Embed Tag Stack Buffer Overflow (MS08-073) protection using the Search tool and Edit the protection's settings.
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 HTML embed tag stack buffer overflow (MS08-073)