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                         AUSCERT Security Bulletin

                               ASB-2009.1038
       Three SquirrelMail plugins have been confirmed as compromised
                               3 August 2009

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

Product:              SquirrelMail plugin sasql-3.2.0
                      SquirrelMail plugin multilogin-2.4-1.2.9
                      SquirrelMail plugin change_pass-3.0-1.4.0
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Access Confidential Data -- Remote/Unauthenticated
Resolution:           Upgrade
Member content until: Wednesday, September  2 2009
Reference:            AA-2009.0147

OVERVIEW

        A number of SquirrelMail plugins have been confirmed to have been
        compromised as a result of the SquirrelMail Webserver compromise that 
        took place on June 16th 2009. Initially the developers believed that
        no plugins were compromised however further investigation has shown
        otherwise.


IMPACT

        The following SquirrelMail plugins have been compromised:
        
            * sasql-3.2.0
            * multilogin-2.4-1.2.9
            * change_pass-3.0-1.4.0
        
        Regarding these compromised plugins, the vendor states:
        
        "Parts of these code changes attempts to send mail to an offsite 
        server containing passwords. We cannot establish a timeline of when 
        these plugins were compromised." [1]


MITIGATION

        The vendor recommends downloading fresh copies of these plugins from
        the SquirrelMail plugins repository, and has provided the following 
        MD5 hashes for the three affected plugins. [1]
        
        a492922e5b0d2245d4e9bc255a7c5755  sasql-3.2.0.tar.gz
        b143f2dc82f9e98dd43c632855255075  multilogin-2.4-1.2.9.tar.gz
        2cff7c5d4f6f5d8455683bb5d96bb9fe  change_pass-3.0-1.4.0.tar.gz
        
        Administrators using these plugins should ensure that all users must
        change their passwords after installing new copies of these plugins.


REFERENCES

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

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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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