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                         AUSCERT Security Bulletin

                               ASB-2009.1018
            New version of VLC media player fixes vulnerability
                               20 July 2009

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

Product:              VLC media player
Operating System:     Windows
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Denial of Service               -- Remote with User Interaction
Resolution:           Upgrade
CVE Names:            CVE-2009-2484  
Member content until: Wednesday, August 19 2009

OVERVIEW

        A vulnerability has been identified in VLC media player version
        0.9.9 which allows for execution of arbitrary code. [1]


IMPACT

        A stack-based buffer overflow vulnerability exists in a function used
        in the module smb.c in VideoLAN VLC media player 0.9.9, when running
        on Microsoft Windows. When triggered this allows remote attackers to
        cause a denial of service and possibly execute arbitrary code when
        processing a specially crafted, long smb URI in a playlist file. [2]


MITIGATION

        VideoLAN has published a new version of VLC media player (1.0) which
        corrects this vulnerability. [3]


REFERENCES

        [1] git.videolan.org
            http://git.videolan.org/?p=vlc.git;a=commit;h=e60a9038b13b5eb805a76755efc5c6d5e080180f

        [2] CVE-2009-2484
            http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2009-2484

        [3] VLC media player for Windows
            http://www.videolan.org/vlc/download-windows.html

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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