WFTPD Out-of-Sequence RNTO Command DoS

medium Nessus Plugin ID 10466


The remote FTP server is affected by a denial of service vulnerability.


The FTP server running on the remote host is affected by a denial of service vulnerability when executing a RENAME TO (RNTO) command. An authenticated, remote attacker can crash the FTP server by executing the RENAME TO command before a RENAME FROM (RNFR) command.


If you are using the Texas Imperial Software WFTPD server, then upgrade to version 2.41 RC11 or later. Otherwise, contact the vendor for a fix.

See Also

Plugin Details

Severity: Medium

ID: 10466

File Name: wftp_dos.nasl

Version: 1.39

Type: remote

Family: FTP

Published: 7/15/2000

Updated: 11/15/2018

Configuration: Enable paranoid mode

Risk Information


Risk Factor: Medium

Score: 4.4


Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:texas_imperial_software:wftpd

Required KB Items: ftp/login, Settings/ParanoidReport

Exploit Available: true

Exploit Ease: Exploits are available

Vulnerability Publication Date: 7/11/2000

Reference Information

CVE: CVE-2000-0648

BID: 1456