It appears that malformed HTTP requests to IIS versions 5.0, 5.1, and 6.0 allow for a remote crash of the service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42551/iisCrash.txt
Source: https://packetstormsecurity.com/files/42551/iisCrash.txt.html