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AA-2009.0124                  AUSCERT Advisory

                             [Win][UNIX/Linux]
                       Wireshark: Denial of Service
                                26 May 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              Wireshark
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Denial of Service
Access:               Remote/Unauthenticated
Member content until: Tuesday, June 23 2009

OVERVIEW:

       Wireshark 1.0.8 has been released correcting a denial of service 
       vulnerability.


IMPACT:

       The vendor has provided the following information regarding these
       vulnerabilities.

       "The PCNFSD dissector could crash. Versions affected: 0.8.20 to 
       1.0.7." [1]


MITIGATION:

       Users can download version 1.0.8 from the vendor's website. [2]


REFERENCES:

       [1] PCNFSD vulnerability in Wireshark versions 0.8.20 to 1.0.7
           http://www.wireshark.org/security/wnpa-sec-2009-03.html

       [2] Get Wireshark
           http://www.wireshark.org/download.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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