vBulletin: Cross-site Request Forgery -- Remote with User Interaction

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                         AUSCERT Security Bulletin

                               ASB-2014.0090
   vBulletin has released a security patch to address a vulnerability in
versions 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.1.0, 5.1.1, and 5.1.2.
                               28 July 2014

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

Product:              vBulletin
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Cross-site Request Forgery -- Remote with User Interaction
Resolution:           Patch/Upgrade
Member content until: Wednesday, August 27 2014

OVERVIEW

        vBulletin has released a security patch to address a vulnerability 
        in versions 5.0.0, 5.0.1, 5.0.2, 5.0.3, 5.0.4, 5.0.5, 5.1.0, 5.1.1,
        and 5.1.2.


IMPACT

        The vendor has provided the following details regarding these 
        vulnerabilities:
        
        "The patch resolves a potential Cross-Site Forgery Request in the 
        authorization system." [1]


MITIGATION

        The vendor has stated that these issues have been corrected in 
        versions 5.1.2 PL2, 5.1.1 PL2, 5.1.0 PL3, 5.0.5 PL4, 5.0.4 PL5,
        5.0.3 PL4, 5.0.2 PL5, 5.0.1 PL4 and 5.0.0 PL4. [1]


REFERENCES

        [1] Security Patch Release for vBulletin 5 Connect, Versions 5.0.0
            through 5.1.2
            http://www.vbulletin.org/forum/showthread.php?p=2507866#post2507866

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.

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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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