Plugin ID | 200 |
Plugin name | Cisco PIX Firewall prior 5.2 SMTP content filter HELP bypass |
Plugin filename | Cisco PIX Firewall prior 5.2 SMTP content filter HELP bypass.plugin |
Plugin filesize | 3644 bytes |
Plugin family | Firewalls |
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 | 2004/09/09 |
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 detection | open|sleep|send HELP\n|sleep|send DATA\n|sleep|send HELP\n|sleep|close|pattern_exists 214 * |
Plugin detection accuracy | 90 |
Plugin comment | Check is inspired by the Nessus plugin. Lincoln Yeoh wrote in his Bugtraq posting [http://www.securityfocus.com/archive/1/68903] that he found the bug in 1996 and informed the vendor - But about 4 generations later is the flaw still existent... |
Bug published name | Lincoln Yeoh |
Bug published email | lyeoh at pop dot jaring dot my |
Bug published date | 2000/09/19 |
Bug advisory | http://www.securityfocus.com/advisories/2673 |
Bug produced name | Cisco Systems |
Bug produced email | info at cisco dot com |
Bug produced web | http://www.cisco.com |
Bug affected | Cisco PIX |
Bug not affected | Other solutions |
Bug vulnerability class | Configuration |
Bug description | The target host seems to be a Cisco PIX Firewall prior 5.2 with acitvated SMTP content filter. An attacker may use this information to start further enumeration or dedicated attacks. An attacker may also bypass this content filtering by issuing a DATA command before a MAIL command, that allow him to directly communicate with the real SMTP daemon. |
Bug solution | You should upgrade your Cisco PIX to eliminate known vulnerabilities. See http://www.cisco.com/warp/public/707/PIXfirewallSMTPfilter-pub.shtml for more details. |
Bug fixing time | Approx. 1 hour |
Bug exploit availability | Yes |
Bug exploit url | http://www.securityfocus.com/bid/1698/exploit/ |
Bug remote | Yes |
Bug local | Yes |
Bug severity | Medium |
Bug popularity | 8 |
Bug simplicity | 5 |
Bug impact | 7 |
Bug risk | 7 |
Bug Nessus risk | Medium |
Bug check tools | Nessus is able to do the same check a bit more accurate. |
Source CVE | CVE-2000-1022 |
Source SecurityFocus BID | 1698 |
Source Nessus ID | 10520 |
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.securityfocus.com/archive/1/83741 |