Netscape Messenging Server POP3 Error Message User Account Enumeration

This script is Copyright (C) 2001-2013 Tenable Network Security, Inc.


Synopsis :

The remote POP server allows an attacker to determine whether
a given username exists or not.

Description :

The remote POP server allows an attacker to obtain a list
of valid logins on the remote host, thanks to a brute-force
attack.

If the user connects to this port and issues the commands :
USER 'someusername'
PASS 'whatever'

the user will then get a different response whether the account
'someusername' exists or not.

Solution :

None at this time.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
CVSS Temporal Score : 4.8
(CVSS2#E:F/RL:U/RC:ND)

Family: Misc.

Nessus Plugin ID: 10681 ()

Bugtraq ID: 1787

CVE ID: CVE-2000-0960