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                         AUSCERT Security Bulletin

                              ASB-2009.1022.3
                         Wireshark security flaws
                               22 July 2009

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

Product:              Wireshark
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact/Access:        Denial of Service -- Remote/Unauthenticated
Resolution:           Upgrade
CVE Names:            CVE-2009-2559 CVE-2009-2560 CVE-2009-2561
                      CVE-2009-2562 CVE-2009-2563 
Member content until: Thursday, August 20 2009

Revision History:     July 22 2009: Added CVE references
                      July 22 2009: Added CVE reference
                      July 21 2009: Initial Release

OVERVIEW

        A number of denial of service flaws have been identified in Wireshark
        before version 1.2.1. [1]


IMPACT

        The vendor has confirmed that the following protocol dissectors are
        vulnerable:
            * The IPMI dissector could overrun a buffer - ver 1.2.0
            * The AFS dissector could crash - ver 0.9.2 to 1.2.0
            * The Infiniband dissector could crash on some platforms - 
               ver 1.0.6 to 1.2.0
            * The Bluetooth L2CAP dissector could crash - ver 1.2.0
            * The RADIUS dissector could crash - ver 1.2.0
            * The MIOP dissector could crash - ver 1.2.0
            * The sFlow dissector could use excessive CPU and memory - 
               ver 1.2.0 [1]


MITIGATION

        Wireshark has corrected these vulnerabilities in version 1.2.1 which
        is available for download from their website. [2]


REFERENCES

        [1] Wireshark 1.2.1 Release Notes
            http://www.wireshark.org/docs/relnotes/wireshark-1.2.1.html#FileLocations

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

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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