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Gentoo Linux Security Advisory                           GLSA 200705-11
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                                            https://security.gentoo.org/
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  Severity: Normal
     Title: MySQL: Two Denial of Service vulnerabilities
      Date: May 08, 2007
      Bugs: #170126, #171934
        ID: 200705-11

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Synopsis
=======
Two Denial of Service vulnerabilities have been discovered in MySQL.

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

Affected packages
================
    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  dev-db/mysql      < 5.0.38                              >= 5.0.38
                                                                 < 5.0

Description
==========
mu-b discovered a NULL pointer dereference in item_cmpfunc.cc when
processing certain types of SQL requests. Sec Consult also discovered
another NULL pointer dereference when sorting certain types of queries
on the database metadata.

Impact
=====
In both cases, a remote attacker could send a specially crafted SQL
request to the server, possibly resulting in a server crash. Note that
the attacker needs the ability to execute SELECT queries.

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-5.0.38"

References
=========
  [ 1 ] Original Report
        http://bugs.mysql.com/bug.php
  [ 2 ] CVE-2007-1420
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1420

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

  https://security.gentoo.org/glsa/200705-11

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
https://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.

https://creativecommons.org/licenses/by-sa/2.5/