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                         AUSCERT Security Bulletin

                               ASB-2009.1039
               A vulnerability has been identified in MySQL
                               3 August 2009

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              MySQL
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Denial of Service -- Existing Account
Resolution:           Upgrade
Member content until: Wednesday, September  2 2009

OVERVIEW

        Version 5.1.37 of MySQL has been released to correct a number of
        issues including a security vulnerability.


IMPACT

        A vulnerability has been identified in MySQL prior to version 5.1.37
        which could cause a denial of service. The vendor provides the 
        following description of the vulnerability:
          
        "Partitioning: Accessing a table with user-defined partitioning when 
        the server SQL mode included ONLY_FULL_GROUP_BY caused the MySQL 
        server to crash." [1]


MITIGATION

        It is recommended that users upgrade to the latest version of MySQL
        to correct this vulnerability.


REFERENCES

        [1] C.1 Changes in Release 5.1.x (Production) :: C.1.1 Changes in MySQL
            5.1.37
            http://dev.mysql.com/doc/refman/5.1/en/news-5-1-37.html

AusCERT has made every effort to ensure that the information contained
in this document is accurate.  However, the decision to use the information
described is the responsibility of each user or organisation. The decision to
follow or act on information or advice contained in this security bulletin is
the responsibility of each user or organisation, and should be considered in
accordance with your organisation's site policies and procedures. AusCERT
takes no responsibility for consequences which may arise from following or
acting on information or advice contained in this security bulletin.

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

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Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours 
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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