WU-FTPD fileutils/coreutils ls -w Argument Memory Consumption DoS

Copyright (C) 2003-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

The version of WU-FTPD on the remote server uses a vulnerable version
of /bin/ls. It does not filter arguments to /bin/ls, which could lead
to a DoS. It is possible to consume all available memory on the
machine by sending :

ls '-w 1000000 -C'

See also :

http://www.guninski.com/binls.html

Solution :

Contact your vendor for a fix.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.4
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: FTP

Nessus Plugin ID: 11912 ()

Bugtraq ID: 8875

CVE ID: CVE-2003-0853
CVE-2003-0854