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MySQL: SQL Injection



MySQL: SQL Injection
MySQL: SQL Injection



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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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