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Netscape Messenging Server User Account Enumeration

Medium

Synopsis

The remote host may give an attacker information useful for future attacks.

Description

The remote POP server allows an attacker to obtain a list of valid logins on the remote host via a brute force attack. If the user connects to this port and issues the commands : USER 'someusername' PASS 'whatever' a different response will be generated if the account 'someusername' exists or not.

Solution

No solution is known at this time.