<plugin_id>74</plugin_id>
<plugin_name>Courier SMTP up to 0.45 buffer overflow</plugin_name>
<plugin_family>SMTP</plugin_family>
<plugin_created_date>2004/03/22</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>2004/11/13</plugin_updated_date>
<plugin_version>1.3</plugin_version>
<plugin_changelog>Changed a pattern-matching error in ATK plugin version 2.1 - It should be working now. Corrected the plugin structure and added the accuracy values in 1.3</plugin_changelog>
<plugin_protocol>tcp</plugin_protocol>
<plugin_port>25</plugin_port>
<plugin_procedure_detection>open|sleep|close|pattern_exists 220 *Courier 0.1* OR 220 *Courier 0.2* OR 220 *Courier 0.3* OR 220 *Courier 0.4[1-5]*</plugin_procedure_detection>
<plugin_detection_accuracy>90</plugin_detection_accuracy>
<plugin_comment>Check is copied from the Nessus plugin.</plugin_comment>
<bug_affected>Courier SMTP MTA up to 0.45</bug_affected>
<bug_not_affected>Courier SMTP MTA 0.45 or newer</bug_not_affected>
<bug_vulnerability_class>Buffer Overflow</bug_vulnerability_class>
<bug_description>The remote mail server is the Courier MTA. There is a buffer overflow in the conversions functions of this software which may allow an attacker to execute arbitrary code on this host.</bug_description>
<bug_solution>Upgrade to version 0.45 or newer. Limit unwanted connections and communications with firewalling.</bug_solution>
<bug_fixing_time>1 hour</bug_fixing_time>
<bug_exploit_availability>Maybe</bug_exploit_availability>
<bug_exploit_url>http://www.securityfocus.com/bid/9845/exploit/</bug_exploit_url>
<bug_remote>Yes</bug_remote>
<bug_local>Yes</bug_local>
<bug_severity>High</bug_severity>
<bug_popularity>7</bug_popularity>
<bug_simplicity>6</bug_simplicity>
<bug_impact>9</bug_impact>
<bug_risk>7</bug_risk>
<bug_nessus_risk>High</bug_nessus_risk>
<bug_check_tool>Nessus is able to do the same check.</bug_check_tool>
<source_securityfocus_bid>9845</source_securityfocus_bid>
<source_nessus_id>12102</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>