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Vulnerability Assessment Details

Netscape Messenging Server User List

Vulnerability Assessment Summary
Checks the error messages issued by the pop3 server

Detailed Explanation for this Vulnerability Assessment

Summary :

The remote POP server permits a possible hacker to acertain wether
a given username exists or not.

Description :

The remote POP server permits a possible hacker 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'

Then he will get a different response if the account 'someusername'
exists or not.

Solution :

None at this time

Network Security Threat Level:

Low / CVSS Base Score : 2
(AV:R/AC:L/Au:NR/C:P/A:N/I:N/B:N)

Networks Security ID: 1787

Vulnerability Assessment Copyright: This script is Copyright (C) 2001 Renaud Deraison

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