CVE-2002-2031
Internet Explorer 5.0, 5.0.1 and 5.5 with JavaScript execution enabled allows remote attackers to determine the existence of arbitrary files via a script tag with a src parameter that references a non-JavaScript file, then using the onError event handler to monitor the results.
Date published : 2005-07-14
http://www.securityfocus.com/bid/3779
http://archives.neohapsis.com/archives/bugtraq/2002-01/0019.html