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ISC BIND Validator Self Checking Remote DoS

Article ID: 16261
Last updated: 27 Jan, 2009
Views: 434
Posted: 22 Jan, 2009
by: Tech Pubs S.
Updated: 27 Jan, 2009
by: Tech Pubs S.

ISC BIND Validator Self Checking Remote DoS

This script is Copyright (C) 2005-2009 Tenable Network Security, Inc.

FamilyDNS
Plugin ID16261
Bugtraq ID12365
12497
CVE IDCVE-2005-0034

Description:

Synopsis :

The remote name server is prone to a denial of service attack.

Description :

The remote bind server, according to its version number, has a flaw in
the way authvalidator() is implemented.

Provided DNSSEC has been enabled in the remote name server, an
attacker may be able to launch a denial of service attack against the
remote service.

See also :

http://www.kb.cert.org/vuls/id/938617
http://www.isc.org/index.pl?/sw/bind/bind-security.php

Solution :

Upgrade to bind 9.3.1 or later.

Risk factor :

Medium / CVSS Base Score : 4.3
(CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P)
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