<plugin_id>132</plugin_id>
<plugin_name>Telnet guest account empy password</plugin_name>
<plugin_family>Backdoors</plugin_family>
<plugin_created_date>2004/09/02</plugin_created_date>
<plugin_created_name>Marc Ruef</plugin_created_name>
<plugin_created_email>marc dot ruef at computec dot ch</plugin_created_email>
<plugin_created_web>http://www.computec.ch</plugin_created_web>
<plugin_created_company>computec.ch</plugin_created_company>
<plugin_updated_name>Marc Ruef</plugin_updated_name>
<plugin_updated_email>marc dot ruef at computec dot ch</plugin_updated_email>
<plugin_updated_web>http://www.computec.ch</plugin_updated_web>
<plugin_updated_company>computec.ch</plugin_updated_company>
<plugin_updated_date>2005/01/15</plugin_updated_date>
<plugin_version>1.2</plugin_version>
<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_changelog>
<plugin_protocol>tcp</plugin_protocol>
<plugin_port>23</plugin_port>
<plugin_procedure_detection>open|sleep|send guest\n|sleep|send \n|sleep|close|pattern_exists Welcome</plugin_procedure_detection>
<plugin_detection_accuracy>90</plugin_detection_accuracy>
<plugin_comment>This plugin was written with the ATK Attack Editor and was inspired by Nessus plugin.</plugin_comment>
<bug_affected>Some Telnet environments</bug_affected>
<bug_not_affected>Hardened Telnet environments</bug_not_affected>
<bug_vulnerability_class>Weak Authentication</bug_vulnerability_class>
<bug_description>The account guest has no password set. An attacker may use it to gain further privileges on this system</bug_description>
<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_solution>
<bug_fixing_time>Approx. 30 minutes</bug_fixing_time>
<bug_exploit_availability>Yes</bug_exploit_availability>
<bug_exploit_url>http://www.nessus.org</bug_exploit_url>
<bug_remote>Yes</bug_remote>
<bug_local>Yes</bug_local>
<bug_severity>High</bug_severity>
<bug_popularity>9</bug_popularity>
<bug_simplicity>9</bug_simplicity>
<bug_impact>9</bug_impact>
<bug_risk>8</bug_risk>
<bug_nessus_risk>High</bug_nessus_risk>
<bug_check_tool>Nessus and ATK is able to do the same and further check.</bug_check_tool>
<source_cve>CAN-1999-0502</source_cve>
<source_nessus_id>11240</source_nessus_id>
<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_literature>
<source_misc>http://www.computec.ch</source_misc>