PY Software Active Webcam WebServer (webcam.exe) 5.5 allows remote attackers to obtain the full path of the web server via a request for a non-existent filename, which leaks the full path in an error message.
https://exchange.xforce.ibmcloud.com/vulnerabilities/19652
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-0733
http://secway.org/advisory/ad20050104.txt
http://secunia.com/advisories/14553
http://archives.neohapsis.com/archives/fulldisclosure/2005-03/0216.html