MaraDNS 1.2.12.06 / 1.3.05 Wildcard Resource Record Remote DoS

This script is Copyright (C) 2014 Tenable Network Security, Inc.


Synopsis :

The DNS server running on the remote host is affected by a denial of
service vulnerability.

Description :

According to its self-reported version number, the MaraDNS server
running on the remote host is affected by a memory leak issue when
handling wildcard records. This issue could allow a remote attacker to
cause a remote denial of service by querying for wildcard records.

Note that issue only affects hosts with 'bind_star_handling' set to
'2' in the configuration file.

See also :

http://www.nessus.org/u?6ed2f95c
http://comments.gmane.org/gmane.network.dns.maradns.general/1112
http://maradns.samiam.org/security.html
http://maradns.samiam.org/changelog-2006-2010.html

Solution :

Upgrade to MaraDNS version 1.2.12.07 / 1.3.06 or later, apply the
relevant patch, or refer to the vendor for a workaround.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 3.7
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: DNS

Nessus Plugin ID: 73477 ()

Bugtraq ID: 24337

CVE ID: CVE-2007-3116