Description
Microsoft IIS 5.1 and 6 allows remote attackers to spoof the SERVER_NAME variable to bypass security checks and conduct various attacks via a GET request with an http://localhost URI, which makes it appear as if the request is coming from localhost.
References
- http://ingehenriksen.blogspot.com/2005/08/remote-iis-5x-and-iis-60-server-name.html
- ADV-2005-1503 vdb-entry
- 16548 third-party-advisory
- 20050822 Remote IIS 5.x and IIS 6.0 Server Name Spoof mailing-list