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                         AUSCERT Security Bulletin

                               ASB-2009.1028
        Joomla! 1.5.13 released correcting multiple vulnerabilities
                               24 July 2009

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

Product:              Joomla!
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Create Arbitrary Files -- Remote/Unauthenticated
                      Delete Arbitrary Files -- Remote/Unauthenticated
                      Reduced Security       -- Remote/Unauthenticated
Resolution:           Upgrade
Member content until: Sunday, August 23 2009

OVERVIEW

        Joomla! 1.5.13 has been released correcting two (2) security
        vulnerabilities.


IMPACT

        The vendor has provided the following information regarding these
        vulnerabilities:
        
        "Tiny browser included with TinyMCE 3.0 editor allowed files to be 
        uploaded and removed without logging in." [1]
        
        "Some files were missing the check for JEXEC. These scripts will 
        then expose internal path information of the host." [2]


MITIGATION

        These vulnerabilities are fixed in version 1.5.13 available from
        Joomla!'s website. [3]


REFERENCES

        [1] [20090722] - Core - File Upload
            http://developer.joomla.org/security/news/301-20090722-core-file-upload.html

        [2] [20090722] - Core - Missing JEXEC Check
            http://developer.joomla.org/security/news/302-20090722-core-missing-jexec-check.html

        [3] Project Release News
            http://www.joomla.org/announcements/release-news/

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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