This script is Copyright (C) 2008-2015 Tenable Network Security, Inc.
The remote Gentoo host is missing one or more security-related
The remote host is affected by the vulnerability described in GLSA-200801-16
(MaraDNS: CNAME Denial of Service)
Michael Krieger reported that a specially crafted DNS could prevent an
authoritative canonical name (CNAME) record from being resolved because
of an 'improper rotation of resource records'.
A remote attacker could send specially crafted DNS packets to a
vulnerable server, making it unable to resolve CNAME records.
Add 'max_ar_chain = 2' to the 'marac' configuration file.
See also :
All MaraDNS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-dns/maradns-1.2.12.09'
Risk factor :
Medium / CVSS Base Score : 5.0