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                         AUSCERT Security Bulletin

                              ASB-2011.0024.3
                      Firefox 3.5.x and 3.6.x updated
                               24 March 2011

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

Product:              Firefox 3.6.15 and prior
                      Firefox 3.5.17 and prior
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Provide Misleading Information -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
Member content until: Friday, April 22 2011
Reference:            ASB-2011.0025

Revision History:     March 24 2011: Referenced ASB about Comodo RA compromise
                      March 23 2011: Added FF3.5.x
                      March 23 2011: Initial Release

OVERVIEW

        Mozilla has released an update to Firefox 3.6.x and 3.5.x trunks.


IMPACT

        The update blacklists several compromised SSL certificates. [1]


MITIGATION

        Upgrade Firefox to the latest version.
        
        For 3.6.x - 3.6.16
        For 3.5.x - 3.5.18


REFERENCES

        [1] Release Notes
            http://www.mozilla.com/en-US/firefox/3.6.16/releasenotes/

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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