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[ GLSA 200608-09 ] MySQL: Denial of Service
From: Sune Kloppenborg Jeppesen <jaervosz () gentoo org>
Date: Sun, 6 Aug 2006 21:21:38 +0200

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Gentoo Linux Security Advisory                           GLSA 200608-09
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: MySQL: Denial of Service
      Date: August 06, 2006
      Bugs: #142429
        ID: 200608-09

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Synopsis
========

An authenticated user can crash MySQL through invalid parameters to the
date_format function.

Background
==========

MySQL is a popular multi-threaded, multi-user SQL server.

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

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  dev-db/mysql      < 4.1.21                              >= 4.1.21

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

Jean-David Maillefer discovered a format string vulnerability in
time.cc where MySQL fails to properly handle specially formatted user
input to the date_format function.

Impact
======

By specifying a format string as the first parameter to the date_format
function, an authenticated attacker could cause MySQL to crash,
resulting in a Denial of Service.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MySQL users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --verbose --oneshot ">=dev-db/mysql-4.1.21"

References
==========

  [ 1 ] CVE-2006-3469
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3469

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

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

  http://security.gentoo.org/glsa/glsa-200608-09.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 () 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/2.5

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