Check Point Advisories

Apache HTTP Server mod_negotiation Filename Handling Cross Site Scripting (CVE-2008-0455)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-248
Date Published:	22 Jun 2010
Severity:	High
Last Updated:	Tuesday 22 June, 2010
Source:
Industry Reference:	CVE-2008-0455
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Apache HTTP server is a web server application that has a very broad user base. The software is made compliant to most W3C standards and recommendation. Apache HTTP server has a modular framework for developing and loading feature extension modules. Some of the Apache HTTP server features are shipped as official modules. There exist a cross-site scripting vulnerability in Apache mod_negotiation Module. The flaw is due to lack of validation of the user supplied input data. The flaw may be exploited by malicious users to execute arbitrary HTML code on target user's web browser, within the context of a trusted web site. In case of an attack where code injection and execution is successful, the behavior of the target will depend on the intended purpose of the injected code.

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

In the IPS tab, click Protections and find the Apache HTTP Server mod_negotiation Filename Handling Cross Site Scripting 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: Apache Server Protection Violation.
Attack Information: Apache HTTP server mod_negotiation filename handling cross site scripting