WS_FTP Server Path Parsing Remote DoS

This script is Copyright (C) 2004-2011 Tenable Network Security, Inc.


Synopsis :

The remote FTP server is prone to a denial of service attack.

Description :

According to its banner, the version of WS_FTP on the remote host is
vulnerable to a remote denial of service.

There is an error in the parsing of file paths. Exploitation of this
flaw may cause a vulnerable system to use a large amount of CPU
resources.

See also :

http://www.securityfocus.com/archive/1/373420
http://www.ipswitch.com/support/ws_ftp-server/releases/wr503.asp

Solution :

Upgrade to WS_FTP Server 5.03 or later.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.8
(CVSS2#E:H/RL:OF/RC:C)
Public Exploit Available : true

Family: FTP

Nessus Plugin ID: 14584 ()

Bugtraq ID: 11065

CVE ID: CVE-2004-1643