Check Point Advisories

Microsoft IIS4 Exair Sample Site Denial Of Service (CVE-1999-0449)

Vulnerability
Protection

Check Point Reference:	CPAI-2003-45
Date Published:	27 May 2010
Severity:	Critical
Last Updated:	Thursday 27 May, 2010
Source:
Industry Reference:	CVE-1999-0449
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Microsoft Internet Information Services (IIS) is a multi-featured server product that ships with all versions of Microsoft Windows 2000, XP and Server 2003. The product provides FTP, SMTP, NNTP and HTTP services. The HTTP component, known as the WWW Publishing Service, allows for the serving of dynamic content, notably in the form of Active Server Pages (ASP) documents. There exists a vulnerability in the ExAir sample site in IIS 4 which allows remote attackers to cause a denial of service (CPU consumption) via a direct request to certain ASP scripts.

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 Microsoft IIS4 Exair Sample Site Denial Of Service 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 Server Enforcement Violation.
Attack Information: Microsoft IIS4 Exair sample site denial of service