| Plugin ID | 259 |
| Plugin name | Apache 2.0.51 Satisfy directive access control bypass |
| Plugin filename | Apache 2.0.51 Satisfy directive access control bypass.plugin |
| Plugin filesize | 3505 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 | 2004/09/27 |
| 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 | 2004/11/14 |
| Plugin version | 2.0 |
| Plugin changelog | Corrected the plugin structure and added the accuracy values in 1.1. Improved the pattern matching and introduced the plugin changelog in 2.0 |
| Plugin protocol | tcp |
| Plugin port | 80 |
| Plugin procedure detection | open|send HEAD / HTTP/1.0\n\n|sleep|close|pattern_exists HTTP/1.[0-1] ### *Server: Apache/2.0.51* |
| Plugin detection accuracy | 80 |
| Plugin comment | This plugin was written with the ATK Attack Editor. |
| Bug published email | editors at apacheweek dot com |
| Bug published web | http://www.apacheweek.com |
| Bug published company | Apache Week |
| Bug published date | 2004/09/23 |
| Bug advisory | http://www.apacheweek.com/issues/04-09-23#dev |
| Bug produced name | Apache Software Foundation |
| Bug produced email | apache at apache dot org |
| Bug produced web | http://httpd.apache.org |
| Bug affected | Apache 2.0.51 |
| Bug not affected | Apache other than 2.0.51 (e.g. 2.0.51-dev) or other web server products |
| Bug vulnerability class | Evasion |
| Bug description | The remote host is running an Apache web server 2.0.51. This specific version is vulnerable to a bypass attack. Under special circumstances an attacker may gain elevated access privileges if the Satisfy directive is used. No further technical details are available at the moment. |
| Bug solution | If the web server and/or the Satisfy directive is not used it should be de-installed or de-activated. Install the newest patch or bugfix to solve the problem or upgrade to the latest software version which is not vulnerable anymore. Additionally limit unwanted connections and communications with firewalling. |
| Bug fixing time | Approx. 30 minutes |
| Bug exploit availability | Maybe |
| Bug remote | Yes |
| Bug local | Yes |
| Bug severity | Medium |
| Bug popularity | 6 |
| Bug simplicity | 6 |
| Bug impact | 7 |
| Bug risk | 6 |
| Source CVE | CAN-2004-0811 |
| Source Secunia ID | 12633 |
| Source scipID | 852 |
| 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://httpd.apache.org/download.cgi |