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                         AUSCERT Security Bulletin

                               ASB-2010.0131
                         EMC Avamar Vulnerability
                                31 May 2010

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

Product:              Avamar 4.1.x
                      Avamar 5.0
Operating System:     HP-UX
                      SCO
                      Solaris
                      Netware
                      Windows
                      Linux variants
                      FreeBSD
                      Mac OS X
Impact/Access:        Denial of Service -- Remote/Unauthenticated
Resolution:           Patch/Upgrade
CVE Names:            CVE-2010-1919  
Member content until: Wednesday, June 30 2010

OVERVIEW

        EMC has released an advisory correcting a denial of service 
        vulnerability in EMC Avamar versions 4.1.x and 5.0.


IMPACT

        The vendor has provided the following information regarding this 
        vulnerability:
        
        CVE-2010-1919
        
        "Vulnerability Summary:
        A vulnerability exists in EMC Avamar which can be exploited by an 
        unauthenticated remote user to cause denial of service.
        
        Vulnerability Details:
        The vulnerability in EMC Avamar may allow a remote unauthenticated 
        user to send a specially-crafted message over TCP to hang gsan 
        service causing denial of service condition on the Avamar grid. 
        As a result, the affected  grid would require a system reboot to 
        clear the problem." [1]


MITIGATION

        The vendor recommends applying the following:
        
         - a patch (#18975) which is available for Avamar 4.1.x;
        
         - a fix which is available in 5.0 SP1.
        
        The vendor requires customers to contact EMC Customer Service 
        to have these fixes applied. [1]


REFERENCES

        [1] ESA-2010-007: EMC Avamar Denial Of Service Vulnerability
            http://seclists.org/bugtraq/2010/May/246

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

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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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