Plugin ID | 132 |
Plugin name | Telnet guest account empy password |
Plugin filename | Telnet guest account empy password.plugin |
Plugin filesize | 2776 bytes |
Plugin family | Backdoors |
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 | 2004/09/02 |
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 | 2005/01/15 |
Plugin version | 1.2 |
Plugin changelog | Corrected the plugin structure and added the accuracy values in 1.1. Added a needed sleep before sending the first data in 1.2 |
Plugin protocol | tcp |
Plugin port | 23 |
Plugin procedure detection | open|sleep|send guest\n|sleep|send \n|sleep|close|pattern_exists Welcome |
Plugin detection accuracy | 90 |
Plugin comment | This plugin was written with the ATK Attack Editor and was inspired by Nessus plugin. |
Bug affected | Some Telnet environments |
Bug not affected | Hardened Telnet environments |
Bug vulnerability class | Weak Authentication |
Bug description | The account guest has no password set. An attacker may use it to gain further privileges on this system |
Bug solution | The telnet service, if not needed, should be disabled (in /etc/inetd.conf) or if possible firewalled. Set a strong password for every account. |
Bug fixing time | Approx. 30 minutes |
Bug exploit availability | Yes |
Bug exploit url | http://www.nessus.org |
Bug remote | Yes |
Bug local | Yes |
Bug severity | High |
Bug popularity | 9 |
Bug simplicity | 9 |
Bug impact | 9 |
Bug risk | 8 |
Bug Nessus risk | High |
Bug check tools | Nessus and ATK is able to do the same and further check. |
Source CVE | CAN-1999-0502 |
Source Nessus ID | 11240 |
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 |