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Gentoo Linux Security Advisory                           GLSA 200711-25
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: MySQL: Denial of Service
      Date: November 18, 2007
      Bugs: #198988
        ID: 200711-25

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Synopsis
========

A Denial of Service vulnerability was found in MySQL.

Background
==========

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

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

    -------------------------------------------------------------------
     Package       /   Vulnerable   /                       Unaffected
    -------------------------------------------------------------------
  1  dev-db/mysql      < 5.0.44-r2                        >= 5.0.44-r2

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

Joe Gallo and Artem Russakovskii reported an error in the
convert_search_mode_to_innobase() function in ha_innodb.cc in the
InnoDB engine that is leading to a failed assertion when handling
CONTAINS operations.

Impact
======

A remote authenticated attacker with ALTER privileges could send a
specially crafted request to a vulnerable database server possibly
leading to 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 --oneshot --verbose ">=dev-db/mysql-5.0.44-r2"

References
==========

  [ 1 ] CVE-2007-5925
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5925

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

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

  http://security.gentoo.org/glsa/glsa-200711-25.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 2007 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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