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                         AUSCERT Security Bulletin

                               ASB-2009.1036
                  VLC media player version 1.0.1 released
                               31 July 2009

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

Product:              VLC prior to 1.0.1
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:           Upgrade
Member content until: Sunday, August 30 2009

OVERVIEW

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


IMPACT

        The vulnerability is an integer underflow in the Real pseudo-RTSP
        module. Secunia states that this vulnerability requires VLC to be
        "running on a system which implements "read()" or "recv()" functions
        accepting negative arguments (e.g. not Windows XP or Linux 2.6.x)". [2]


MITIGATION

        VLC have released version 1.0.1 to correct this vulnerability. [3]


REFERENCES

        [1] Changelog/1.0.1 - VideoLAN Wiki
            http://wiki.videolan.org/Changelog/1.0.1

        [2] VLC Media Player "real_get_rdt_chunk()" Buffer Overflow
            http://secunia.com/advisories/36037/

        [3] VideoLAN - News - VLC 1.0.1 is out!
            http://www.videolan.org/news.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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