9 Apache2 Double Slash Dir Index HTTP 2003/11/13 Marc Ruef marc dot ruef at computec dot ch http://www.computec.ch computec.ch Marc Ruef marc dot ruef at computec dot ch http://www.computec.ch computec.ch 2004/11/13 2.0 Corrected the plugin structure and added the accuracy values in 1.3. Improved the pattern matching and added the changelog in 2.0 tcp 80 open|send GET // HTTP/1.0\n\n|sleep|close|pattern_exists HTTP/1.[0-1] ### *Index of / 95 Affected versions and workaround not clear. Need more investigation. http://www.apache.org/dist/httpd/Announcement.html Apache Software Foundation apache at apache dot org http://httpd.apache.org Apache web server 2.x Other web servers and Apache newer the affected one. Configuration It is possible to obtain the listing of the content of the Apache 2 web server remote web server root by sending the request GET // HTTP/1.0. An attacker may exploit this flaw the browse the content of the remote web root and possibly find hidden links into it. Set index files instead of default welcome pages. 15 minutes Yes http://www.securityfocus.com/bid/8898/exploit/ Yes Yes Medium 8 8 7 7 High Nessus is able to do the same check. 8898 11909 11915 Hacking Exposed: Network Security Secrets & Solutions, Stuart McClure, Joel Scambray and George Kurtz, February 25, 2003, 4th Edition, McGraw-Hill Osborne Media, ISBN 0072227427 http://www.computec.ch