Check Point Advisories

Microsoft Windows HTML Help ActiveX Control Memory Corruption (MS07-008; CVE-2007-0214)

Vulnerability
Protection

Check Point Reference:	CPAI-2007-028
Date Published:	14 Feb 2007
Severity:	Critical
Last Updated:	Wednesday 14 February, 2007
Source:
Industry Reference:	CVE-2007-0214
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Microsoft HTML Help is the help system for Microsoft Windows platform. HTML Help ActiveX control is an application used for help navigation.A remote code execution vulnerability exists in Microsoft HTML Help ActiveX control (Hhctrl.ocx). The vulnerability is due to a buffer overflow error in the HTML Help ActiveX control (Hhctrl.ocx). The application fails to properly handle malformed arguments. To trigger this flaw, an attacker can specially craft a malicious Web page that initiates the ActiveX control with a malformed argument. Successful exploitation could result in remote code execution on the target system once the malicious page is loaded.

Protection Overview

This protection will detect and block the malformed ActiveX Control.

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 Microsoft Windows HTML Help ActiveX Control Memory Corruption (MS07-008) 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: Microsoft Windows HTML Help ActiveX control memory corruption (MS07-008)