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                         AUSCERT Security Bulletin

                               ASB-2010.0144
    New version of wireshark fix execute arbitrary code vulnerabilities
                               11 June 2010

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

Product:              Wireshark
Operating System:     Windows
                      UNIX variants (UNIX, Linux, OSX)
Impact/Access:        Execute Arbitrary Code/Commands -- Remote with User Interaction
                      Denial of Service               -- Remote with User Interaction
Resolution:           Patch/Upgrade
Member content until: Sunday, July 11 2010

OVERVIEW

        Wireshark version 1.2.9 has been released to resolve execute
        arbitrary code vulnerabilities.


IMPACT

        The vendor has provided the following information regarding the
        vulnerabilities:
        
         "* The SMB dissector could dereference a NULL pointer.    (Bug 4734)
            Versions affected: 0.99.6 to 1.0.13, 1.2.0 to 1.2.8
          * J. Oquendo discovered that the ASN.1 BER dissector could
            overrun the stack.
            Versions affected: 0.10.13 to 1.0.13, 1.2.0 to 1.2.8
          * The SMB PIPE dissector could dereference a NULL pointer on some
            platforms.
            Versions affected: 0.8.20 to 1.0.13, 1.2.0 to 1.2.8
          * The SigComp Universal Decompressor Virtual Machine could go into
            an infinite loop. (Bug 4826)
            Versions affected: 0.10.7 to 1.0.13, 1.2.0 to 1.2.8
          * The SigComp Universal Decompressor Virtual Machine could overrun
            a buffer. (Bug 4837)
            Versions affected: 0.10.8 to 1.0.13, 1.2.0 to 1.2.8" [1]


MITIGATION

        The vendor has provided version 1.2.9 for download from their site.[2]
                
        Other vendors which package wireshark are expected to update shortly.


REFERENCES

        [1] Multiple vulnerabilities in Wireshark version 1.2.0 to 1.2.8
            http://www.wireshark.org/security/wnpa-sec-2010-06.html

        [2] Download 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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