[Full-disclosure] [ GLSA 200601-16 ] MyDNS: Denial of Service

[Sune Kloppenborg Jeppesen]

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Gentoo Linux Security Advisory                           GLSA 200601-16
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: MyDNS: Denial of Service
      Date: January 30, 2006
      Bugs: #119548
        ID: 200601-16

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Synopsis
========

MyDNS contains a vulnerability that may lead to a Denial of Service
attack.

Background
==========

MyDNS is a DNS server using a MySQL database as a backend. It is
designed to allow for fast updates and small resource usage.

Affected packages
=================

    -------------------------------------------------------------------
     Package        /  Vulnerable  /                        Unaffected
    -------------------------------------------------------------------
  1  net-dns/mydns       < 1.1.0                              >= 1.1.0

Description
===========

MyDNS contains an unspecified flaw that may allow a remote Denial of
Service.

Impact
======

An attacker could cause a Denial of Service by sending malformed DNS
queries to the MyDNS server.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MyDNS users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=net-dns/mydns-1.1.0"

References
==========

  [ 1 ] CVE-2006-0351
        http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0351

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200601-16.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security at gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0
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