| Plugin ID | 76 |
| Plugin name | F-Secure SSH prior 3.1.0 build 9 password authentication policy evasion |
| Plugin filename | F-Secure SSH prior 3.1.0 build 9 password authentication policy evasion.plugin |
| Plugin filesize | 3027 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 | 2004/03/22 |
| 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 | 1.4 |
| Plugin changelog | Enhanced the plugin trigger to get every vulnerable version and added the bug_found_date. Corrected the plugin structure and added the accuracy values in 1.4 |
| Plugin protocol | tcp |
| Plugin port | 22 |
| Plugin procedure detection | open|sleep|close|pattern_exists *SSH-2.0-*F-Secure SSH* OR *SSH-3.[0-1]-*F-Secure SSH* |
| Plugin detection accuracy | 80 |
| Plugin comment | Check is copied from the Nessus plugin. |
| Bug published date | 2004/03/09 |
| Bug affected | F-Secure SSH up to 3.0.0 |
| Bug not affected | F-Secure SSH 3.1.0 build 9 and newer; other SSH servers |
| Bug vulnerability class | Evasion |
| Bug description | The remote host is running F-Secure SSH. This version contains a bug which may allow a user to log in using a password even though the server policy disallows it. An attacker may exploit this flaw to set up a dictionnary attack against the remote SSH server and eventually get access to this host. |
| Bug solution | Upgrade to F-Secure SSH 3.1.0 build 9 or install another SSH server. Limit unwanted connections and communications with firewalling. |
| Bug fixing time | 1 hour |
| Bug exploit availability | Yes |
| Bug exploit url | http://www.rapid7.com/Product-Download.html |
| Bug remote | Yes |
| Bug local | Yes |
| Bug severity | Medium |
| Bug popularity | 6 |
| Bug simplicity | 4 |
| Bug impact | 5 |
| Bug risk | 5 |
| Bug Nessus risk | Low |
| Bug check tools | Nessus is able to do the same check. |
| Source SecurityFocus BID | 9824 |
| Source Nessus ID | 12099 |
| 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.f-secure.com |