This script is Copyright (C) 2012-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
Tom Hendrikx reports :
It is possible to crash (SIGSEGV) a NSD child server process by
sending it a DNS packet from any host on the internet and the per zone
stats build option is enabled. A crashed child process will
automatically be restarted by the parent process, but an attacker may
keep the NSD server occupied restarting child processes by sending it
a stream of such packets effectively preventing the NSD server to
See also :
Update the affected package.
Risk factor :