Plugin ID | 332 |
Plugin name | IMAP unencrypted cleartext logins |
Plugin filename | IMAP unencrypted cleartext logins.plugin |
Plugin filesize | 2192 bytes |
Plugin family | Misc. |
Plugin created name | Marc Ruef |
Plugin created email | marc.ruef at computec.ch |
Plugin created web | http://www.computec.ch |
Plugin created company | computec.ch |
Plugin created date | 2005/01/09 |
Plugin version | 1.0 |
Plugin protocol | tcp |
Plugin port | 143 |
Plugin procedure detection | open|sleep|send CAPABILITY\n|sleep|send QUIT\n|close|pattern_exists AUTH=LOGIN OR AUTH=PLAIN |
Plugin detection accuracy | 75 |
Plugin comment | The NASL script is Copyright (C) 2004 George A. Theall |
Bug vulnerability class | Missing Encryption |
Bug description | The remote host is running an IMAP daemon that allows cleartext logins over unencrypted connections. An attacker can uncover user names and passwords by sniffing traffic to the IMAP daemon if a less secure authentication mechanism (eg, LOGIN command, AUTH=PLAIN, AUTH=LOGIN) is used. |
Bug solution | Contact your vendor for a fix or encrypt traffic with SSL / TLS using stunnel. |
Bug fixing time | Approx. 30 minutes |
Bug exploit availability | Yes |
Bug remote | Yes |
Bug local | Yes |
Bug severity | Low |
Bug popularity | 6 |
Bug simplicity | 8 |
Bug impact | 8 |
Bug risk | 7 |
Bug Nessus risk | Low |
Bug check tools | Nessus can check this flaw with the plugin 15856 (IMAP Unencrypted Cleartext Logins). |
Source OSVDB ID | 3119 |
Source Nessus ID | 15856 |
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 |