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Gentoo Linux Security Advisory                           GLSA 200606-13
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  Severity: Normal
     Title: MySQL: SQL Injection
      Date: June 11, 2006
      Bugs: #135076
        ID: 200606-13

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Synopsis
========

MySQL is vulnerable to an SQL Injection flaw in the multi-byte encoding
process.

Background
==========

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

Affected packages
=================

    -------------------------------------------------------------------
     Package       /  Vulnerable  /                         Unaffected
    -------------------------------------------------------------------
  1  dev-db/mysql      < 4.1.20                             *>= 4.1.20
                                                             >= 5.0.22
     dev-db/mysql      < 5.0.22                             *>= 4.1.20
                                                             >= 5.0.22

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

MySQL is vulnerable to an injection flaw in mysql_real_escape() when
used with multi-byte characters.

Impact
======

Due to a flaw in the multi-byte character process, an attacker is still
able to inject arbitary SQL statements into the MySQL server for
execution.

Workaround
==========

There are a few workarounds available: NO_BACKSLASH_ESCAPES mode as a
workaround for a bug in mysql_real_escape_string(): SET
sql_mode='NO_BACKSLASH_ESCAPES'; SET GLOBAL
sql_mode='NO_BACKSLASH_ESCAPES'; and server command line options:
--sql-mode=NO_BACKSLASH_ESCAPES.

Resolution
==========

All MySQL users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=dev-db/mysql-4.1.20"

References
==========

  [ 1 ] CVE-2006-2753
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2753

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

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

  http://security.gentoo.org/glsa/glsa-200606-13.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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