This script is Copyright (C) 2001-2014 Tenable Network Security, Inc.
It is possible to execute code on the remote host through the NTP
The remote NTP server was vulnerable to a buffer overflow attack which
allows anyone to use it to execute arbitrary code as root.
Disable this service if you do not use it, or upgrade.
Risk factor :
Critical / CVSS Base Score : 10.0
CVSS Temporal Score : 8.3
Public Exploit Available : true