Plugin ID | 236 |
Plugin name | Apache 2.0.35 to 2.0.50 apr-util library IPv6 URL parsing denial of service |
Plugin filename | Apache 2.0.35 to 2.0.50 apr-util library IPv6 URL parsing denial of service.plugin |
Plugin filesize | 3811 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 | 2004/09/16 |
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 | Enhanced the solution text in version 1.1. Corrected the plugin structure and added the accuracy values in 1.2. Added the product produce information in version 1.3. 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.[3-4][0-9]* OR HTTP/1.[0-1] ### *Server: Apache/2.0.50* |
Plugin detection accuracy | 80 |
Plugin comment | This plugin was written with the ATK Attack Editor. |
Bug published email | vulteam at niscc dot gov dot uk |
Bug published web | http://www.niscc.gov.uk |
Bug published company | NISCC |
Bug published date | 2004/09/15 |
Bug advisory | http://www.uniras.gov.uk/vuls/2004/403518/ |
Bug produced name | Apache Software Foundation |
Bug produced email | apache at apache dot org |
Bug produced web | http://httpd.apache.org |
Bug affected | Apache 2.0.35 to 2.0.50 |
Bug not affected | Apache web servers newer than 2.0.50 or other web servers |
Bug vulnerability class | Denial Of Service |
Bug description | The remote host is running an Apache web server. The installed version comes with a vulnerable apr-util library. An attacker may be able to crash the server by using a corrupt IPv6 URI. |
Bug solution | If the web server and/or IPv6 support 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 | No |
Bug exploit url | http://www.securityfocus.com/bid/11187/exploit/ |
Bug remote | Yes |
Bug local | Yes |
Bug severity | Medium |
Bug popularity | 5 |
Bug simplicity | 6 |
Bug impact | 7 |
Bug risk | 6 |
Source CVE | CAN-2004-0786 |
Source SecurityFocus BID | 11187 |
Source Secunia ID | 12540 |
Source scipID | 843 |
Source Heise News | 51138 |
Source Heise Security | 51138 |
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 |