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ProFTPD Login Timing Account Name Enumeration

This script is Copyright (C) 2004-2010 David Maciejak

FamilyFTP
Nessus Plugin ID15484 (proftpd_user_enum.nasl)
Bugtraq ID11430
CVE IDCVE-2004-1602

Description:
Synopsis :

The remote FTP server may disclose the list of valid usernames.

Description :

The remote ProFTPd server is as old or older than 1.2.10

It is possible to determine which user names are valid on the remote host
based on timing analysis attack of the login procedure.

An attacker may use this flaw to set up a list of valid usernames for a
more efficient brute-force attack against the remote host.

Solution :

Upgrade to a newer version.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N)
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