Check Point Advisories

Microsoft IIS WebDAV Remote Buffer Overflow (MS03-007; CVE-2003-0109)

Check Point Reference: CPAI-2009-273
Date Published: 13 Dec 2009
Severity: High
Last Updated: Sunday 13 December, 2009
Source:
Industry Reference:CVE-2003-0109
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description The Internet Information Server (IIS) is a Web server packaged with several versions of the Windows operating system. The server is capable of serving static, as well as dynamic content. Several Microsoft Windows IIS servers support the World Wide Web Distributed Authoring and Versioning (WebDAV) protocol. WebDAV, defined in RFC 2518, is a set of extensions to the Hyper Text Transfer Protocol (HTTP) that provide a standard for editing and file management between computers on the Internet. There exists a security vulnerability in a Windows component used by WebDAV which can allow remote code execution on the vulnerable server. An attacker could exploit the vulnerability by sending a specially formed HTTP request to a machine running Internet Information Server (IIS). The request could cause the server to terminate abnormally or to execute code of the attacker's choice. The code would run in the security context of the IIS service (which, by default, runs in the LocalSystem context).

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

  1. In the IPS tab, click Protections and find the Microsoft IIS WebDAV Remote Buffer Overflow (MS03-007) 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 Server Enforcement Violation.
Attack Information:  Microsoft IIS WebDAV remote buffer overflow (MS03-007)

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