GLSA-201111-06 : MaraDNS: Arbitrary code execution

This script is Copyright (C) 2011-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201111-06
(MaraDNS: Arbitrary code execution)

A long DNS hostname with a large number of labels could trigger a buffer
overflow in the compress_add_dlabel_points() function of dns/Compress.c.

Impact :

A remote unauthenticated attacker could execute arbitrary code or cause
a Denial of Service.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201111-06.xml

Solution :

All MaraDNS users should upgrade to the latest stable version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-dns/maradns-1.4.06'
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since February 12, 2011. It is likely that your system is
already no longer affected by this issue.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 56902 ()

Bugtraq ID: 45966

CVE ID: CVE-2011-0520