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Lotus Notes Domino Webserver CGI Vulnerabilities

Three vulnerabilities have been discovered in the cgi handling done by Lotus Domino Server's Webserver component.

1: Path information can be obtained.

By submitting a request for a non-existant cgi, an attacker can determine the filesystem structure of the server. Example:
Requested URL:
http: //victimhost/cgi-bin/asdf
Response:
Error 500
Bad script request -- no variation of 'c:/notes/data/domino/cgi-bin/asdf' is executable

2: Anonymous access can not be disabled.

Even with anonymous access turned off on th eserver, it is still permitted for the cgi-bin directory.

3: Buffer overflow in cgi error handling

An overly long URL in a GET request, rooted in the cgi-bin directory, will crash the server. Not all long strings seem to work, but one that was tested and found to work was:
'GET /cgi-bin/[800 ','][4000 'a'] HTTP/1.0'