| Plugin ID | 127 |
| Plugin name | cfingerd prior 1.4.4 format string |
| Plugin filename | cfingerd prior 1.4.4 format string.plugin |
| Plugin filesize | 2935 bytes |
| Plugin family | Finger |
| 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 | 2004/11/13 |
| Plugin version | 1.2 |
| Plugin changelog | Added an exploit link in version 1.1. Corrected the plugin structure and added the accuracy values in 1.2 |
| Plugin protocol | tcp |
| Plugin port | 79 |
| Plugin procedure detection | open|sleep|close|pattern_exists *0.* OR *1.[0-3].* OR *1.4.[1-4]* |
| Plugin detection accuracy | 80 |
| Plugin comment | This plugin was written with the ATK Attack Editor and was inspired by Nessus plugin. |
| Bug affected | cfingerd prior 1.4.4 |
| Bug not affected | cfingerd newer than 1.4.4 or other finger daemons |
| Bug vulnerability class | Format String |
| Bug description | The target system seems to be running cfingerd prior 1.4.4. This finger daemon is vulnerable to a format string attack. An attacker may be able to run arbirtrary code on the target host. |
| Bug solution | The finger service, if not needed, should be disabled (in /etc/inetd.conf) or if possible firewalled. Upgrade to the latest software version which is not vulnerable anymore. |
| Bug fixing time | Approx. 20 minutes |
| Bug exploit availability | Yes |
| Bug exploit url | http://www.pestpatrol.com/pestinfo/c/cfingerd_1_4_3_and_prior_linux_x86_local_root_exploit.asp |
| Bug remote | Yes |
| Bug local | Yes |
| Bug severity | High |
| Bug popularity | 6 |
| Bug simplicity | 7 |
| Bug impact | 9 |
| Bug risk | 7 |
| Bug Nessus risk | High |
| Bug check tools | Nessus is able to do the same check. |
| Source CVE | CAN-1999-0243 |
| Source SecurityFocus BID | 2576 |
| Source Nessus ID | 10652 |
| 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 |