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AA-2007.0129                  AUSCERT Advisory

                             [Win][UNIX/Linux]
        TikiWiki 1.9.9 has been released fixing four security flaws
                             31 December 2007
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        AusCERT Advisory Summary
        ------------------------

Product:              TikiWiki 1.9.8 and prior
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Cross-site Scripting
                      Read-only Data Access
                      Reduced Security
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-6526 CVE-2007-6528 CVE-2007-6529
Member content until: Friday, January 25 2008

Revision History:     December 31 2007: Added CVE
                      December 28 2007: Initial Release


OVERVIEW

        TikiWiki 1.9.9 has been released fixing four security flaws. [1]


IMPACT

        A path transversal vulnerability was found by Jesus Olmos Gonzalez
        in tiki-listmovies.php. This allows an attacker to read arbitrary
        files.

        A Cross Site Scripting (XSS) vulnerability was discovered in
        tiki-special_chars.php by Mesut Timur. This would allow an attacker
        to execute scripts on a user's web browser.

        Two other vulnerabilities were discovered in tiki-edit_css.php,
        tiki-list_games.php, and tiki-g-admin_shared_source.php. The impact
        of these vulnerabilities is unknown.


MITIGATION

        The TikiWiki development team has released version 1.9.9 to correct
        these vulnerabilities. All users are recommended to upgrade. [2]


REFERENCES

        [1] Release Process 1.9.9
            http://tikiwiki.org/ReleaseProcess199

        [2] Get Started With Tiki
            http://info.tikiwiki.org/tiki-index.php?page=Get+Tiki


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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