Plugin ID | 165 |
Plugin name | SMTP spam filter test |
Plugin filename | SMTP spam filter test.plugin |
Plugin filesize | 3923 bytes |
Plugin family | SMTP |
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 | 2004/09/07 |
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 | 1.1 |
Plugin changelog | Corrected the plugin structure and added the accuracy values in 1.1 |
Plugin protocol | tcp |
Plugin port | 25 |
Plugin procedure exploit | open|sleep|send HELO atk.test\n|sleep|send MAIL FROM:<plugin165@atk.test>\n|sleep|send RCPT TO:<root@localhost>\n|sleep|send DATA\n|sleep|send Date: 11 Feb 2081 11:02:11\n|send From: ATKPLUGIN165\n|send Subject: This is a spam mail test by the Attack Tool Kit Plugin 165 ооо\n\n|send <b>Buy Viagra. Free shipping. Sex and XXX teens now!!!</b> <a href=http://127.0.0.1>click here</a> 123457890\n|send .\n|sleep|send QUIT\n|close|pattern_exists *250 * |
Plugin exploit accuracy | 80 |
Plugin comment | This plugin was written with the ATK Attack Editor. |
Bug published name | Jonathan B. Postel (+) |
Bug published web | http://www.isoc.org/postel/ |
Bug published company | Information Sciences Institute, University of Southern California |
Bug published date | 1982/08/01 |
Bug advisory | http://www.faqs.org/rfcs/rfc821.html |
Bug affected | Open smtp relays |
Bug not affected | Closed smtp relays (e.g. no anonymous mails or authentication required) |
Bug vulnerability class | Configuration |
Bug description | The remote host is running a SMTP mail relay. This one could be used to send emails. It may also be possible to specify wrong sender addresses - This could be used to send spam or junk mail. |
Bug solution | The server should be deactivated or de-installed if not necessary. Do not allow everyone to send emails over your mail relay. And do not allow arbitrary sender addresses to be specified. To make it harder to find the server the daemon could be configured to listen at another port (e.g. 8025). Try to prevent unwanted connection attempts by filtering traffic with firewalling. Alternation of the application banner can confuse an attacker and let him determine the wrong software. |
Bug fixing time | Approx. 2 hours |
Bug exploit availability | Yes |
Bug exploit url | http://www.securityfocus.com/bid/6118/exploit/ |
Bug remote | Yes |
Bug local | Yes |
Bug severity | Medium |
Bug popularity | 9 |
Bug simplicity | 7 |
Bug impact | 7 |
Bug risk | 7 |
Bug Nessus risk | Low/Medium |
Bug check tools | Most vulnerability scanners are able to do a similar check. |
Source CVE | CAN-1999-0512 |
Source SecurityFocus BID | 6118 |
Source Nessus ID | 10262 |
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.cs.cf.ac.uk/Dave/PERL/node175.html |