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                         AUSCERT Security Bulletin

                               ASB-2015.0097
          Vulnerabilities have been identified in Zope and Plone
                              8 October 2015

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

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

Product:              Plone
                      Zope
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Cross-site Request Forgery -- Remote with User Interaction
Resolution:           Patch/Upgrade
Member content until: Saturday, November  7 2015

OVERVIEW

        A number of vulnerabilities have been identified in Zope and Plone 
        prior to Plone version 5.x. [1]


IMPACT

        The vendor has provided the following details regarding these 
        vulnerabilities:
        
        "Multiple CSRF Vulnerabilities in Zope. The ZMI is mostly unprotected
        from CSRF vulnerabilities." [1]
        
        "The vulnerability patches multiple CSRF (cross-site request 
        forgery) vulnerabilities in the ZMI (Zope Management Interface)." [2]


MITIGATION

        The vendor recommends applying the patch to correct this issue in Plone
        versions 4.x. [2]


REFERENCES

        [1] Multiple CSRF Vulnerabilities in Zope
            https://plone.org/security/20151006/multiple-csrf-vulnerabilities-in-zope

        [2] Security vulnerability: 20151006 - CSRF
            https://plone.org/products/plone/security/advisories/security-vulnerability-20151006-csrf

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.

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