This script is Copyright (C) 2009-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing one or more security-related
When named(8) receives a specially crafted dynamic update message an
internal assertion check is triggered which causes named(8) to exit.
To trigger the problem, the dynamic update message must contains a
record of type 'ANY' and at least one resource record set (RRset) for
this fully qualified domain name (FQDN) must exist on the server.
Impact : An attacker which can send DNS requests to a nameserver can
cause it to exit, thus creating a Denial of Service situation.
Workaround : No generally applicable workaround is available, but some
firewalls may be able to prevent nsupdate DNS packets from reaching
NOTE WELL: Merely configuring named(8) to ignore dynamic updates is
NOT sufficient to protect it from this vulnerability.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.3
Public Exploit Available : true