Plugin ID | 5 |
Plugin name | Sendmail detection |
Plugin filename | Sendmail detection.plugin |
Plugin filesize | 2736 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 | 2003/11/10 |
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 | 2.0 |
Plugin changelog | Title and filename changed in version 1.3. Corrected the plugin structure and added the accuracy values in 1.4. Improved the pattern matching and added the changelog in 2.0 |
Plugin protocol | tcp |
Plugin port | 25 |
Plugin procedure detection | open|sleep|close|pattern_exists 220 *Sendmail* |
Plugin detection accuracy | 85 |
Plugin comment | This plugin was written with the ATK Attack Editor. |
Bug affected | Sendmail mail transfer agents |
Bug not affected | All other mail transfer agents |
Bug vulnerability class | Configuration |
Bug description | An attacker who is able to get a direct connection to the port can identify the banner of this mail server as Sendmail. By this knowledge further enumerations and attacks are possible. |
Bug solution | A service if not needed should be de-installed or disabled. If this is not possible, an access control list (ACL) with firewalling should be applied to this port. Change the application banner to confuse attackers. |
Bug fixing time | 30 minutes |
Bug exploit availability | Yes |
Bug remote | Yes |
Bug local | Yes |
Bug severity | Low |
Bug popularity | 8 |
Bug simplicity | 8 |
Bug impact | 4 |
Bug risk | 6 |
Bug check tools | There are numerous vulnerabilities in (old) Sendmail versions. Most of them are implemented as checks in the well-known security scanners. |
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 |