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                         AUSCERT Security Bulletin

                              ASB-2009.1105.2
                  End of Life announced for ClamAV 0.94.x
                              12 October 2009

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

Product:              ClamAV
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Reduced Security -- Existing Account
Resolution:           Patch/Upgrade
Member content until: Thursday, November  5 2009

Comment: Debian have released a bulletin regarding the end of life of ClamAV 
         which can be found here: http://www.debian.org/security/2009/dsa-1906

Revision History:     October 12 2009: Debian bulletin released
                      October  6 2009: Initial Release

OVERVIEW

        ClamAV have announced the end life of ClamAV 0.94.x due to a serious
        vulnerability. As of 15 April 2010, ClamAV's "... CMD will contain a 
        special signature which disables all clamd installations older than 
        0.95 that is to say older than 1 year." [1]


IMPACT

        Versions of ClamAV prior to 0.95 are "...affected by a bug in freshclam 
        which prevents incremental updates from working with signatures longer 
        than 980 bytes." [1]


MITIGATION

        As ClamAV are planning to release signatures that exceed the 980 bytes
        limit as of May 2010, the vendor recommends upgrading to the latest
        version of ClamAV. [1]


REFERENCES

        [1] End of Life Announcement: ClamAV 0.94.x
            http://www.clamav.net/2009/10/05/eol-clamav-094/

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

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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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