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AA-2009.0136                  AUSCERT Advisory

                             [Win][UNIX/Linux]
                       Joomla!: Cross-site Scripting
                                9 June 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              Joomla! 1.5.10 and prior
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Cross-site Scripting
Access:               Remote/Unauthenticated
CVE Names:            CVE-2009-1940 CVE-2009-1939 CVE-2009-1938
Member content until: Thursday, July 02 2009

Revision History:     June 9 2009: Added CVE References
                      June 4 2009: Initial Release

OVERVIEW:

        Joomla! 1.5.11 has been released correcting three (3) security
        vulnerabilities. [1]


IMPACT:

        Three cross site scripting vulnerabilities were found in com_users,
        ja_purity and the Joomla! front end. Each vulnerability would allow
        a remote attacker to conduct a cross site scripting attack. One
        is listed as only being in the administrator panel, one is "mostly"
        in the administrator panel, and the other is accessible to all
        users. [2,3,4]


MITIGATION:

        These vulnerabilities are fixed in version 1.5.11 available from
        Joomla!'s website. [1]


REFERENCES:

        [1] Joomla 1.5.11 Security Release Now Available
            http://www.joomla.org/announcements/release-news/5235-joomla-1511-security-release-now-available.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

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