[ GLSA 200606-13 ] MySQL: SQL Injection

[Sune Kloppenborg Jeppesen <jaervosz () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200606-13
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                                            http://security.gentoo.org/
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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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