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AA-2009.0147                  AUSCERT Advisory

                             [Win][UNIX/Linux]
                    SquirrelMail web server compromise
                               23 June 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              SquirrelMail
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Reduced Security
Member content until: Tuesday, July 21 2009

OVERVIEW:

        According to a notice posted on the SquirrelMail site [1], the web
        server was discovered to be compromised at 17:00 GMT on the 16th of
        June 2009.


IMPACT:

        The SquirrelMail team have stated that the compromise is only the
        web server and not the source code repository which is managed by
        SourceForge.

        Currently, as the SquirrelMail team investigates the compromise, the
        plugins for SquirrelMail are unavailable. [2]


MITIGATION:

        Administrators running SquirrelMail may wish to monitor their
        production environments more closely while this investigation
        continues.


REFERENCES:

        [1] SquirrelMail - Webmail for Nuts
            http://squirrelmail.org/

        [2] SquirrelMail - Webmail for Nuts
            http://squirrelmail.org/plugins.php

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

===========================================================================
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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