| Plugin ID | 11 |
| Plugin name | HTTP CGI directory cgi-bin forbidden |
| Plugin filename | HTTP CGI directory cgi-bin forbidden.plugin |
| Plugin filesize | 2766 bytes |
| Plugin family | HTTP |
| Plugin created name | Marc Ruef |
| Plugin created email | marc dot ruef at computec dot ch |
| Plugin created web | http://www.computec.ch |
| Plugin created company | computec.ch |
| Plugin created date | 2003/11/13 |
| Plugin updated name | Marc Ruef |
| Plugin updated email | marc dot ruef at computec dot ch |
| Plugin updated web | http://www.computec.ch |
| Plugin updated company | computec.ch |
| Plugin updated date | 2004/11/13 |
| Plugin version | 2.0 |
| Plugin changelog | Corrected the plugin structure and added the accuracy values in 1.3. Improved the pattern matching and added the changelog in 2.0 |
| Plugin protocol | tcp |
| Plugin port | 80 |
| Plugin procedure detection | open|send GET /cgi-bin HTTP/1.0\n\n|sleep|close|pattern_exists HTTP/#.# 403 * |
| Plugin detection accuracy | 99 |
| Plugin comment | This is not exactly the same test as like Nessus 10039 is. We don't check for browsability - We check for existence/forbidden. |
| Bug affected | Web servers with a default cgi-bin directory. |
| Bug not affected | Web servers without the default cgi-bin directory. |
| Bug vulnerability class | Configuration |
| Bug description | An attacker can try to reach /cgi-bin as a possible directory for CGI scripts. If he gets an Forbidden error he could determine that this directory exists and is used. This information can be used for further attempts. |
| Bug solution | Do not allow users to get the directory listing of the cgi directory. |
| Bug fixing time | 30 minutes |
| Bug exploit availability | Yes |
| Bug remote | Yes |
| Bug local | Yes |
| Bug severity | Low |
| Bug popularity | 8 |
| Bug simplicity | 8 |
| Bug impact | 4 |
| Bug risk | 5 |
| Bug Nessus risk | Medium |
| Bug check tools | Many CGI and security scanners are able to do the same or a similar check. |
| Source Nessus ID | 10039 |
| Source Literature | Hacking Exposed: Network Security Secrets & Solutions, Stuart McClure, Joel Scambray and George Kurtz, February 25, 2003, 4th Edition, McGraw-Hill Osborne Media, ISBN 0072227427 |
| Source Misc. | http://www.computec.ch |