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AA-2005.007                  AUSCERT Advisory

       Buffer overflow vulnerability in WebSphere Application Server
                               10 June 2005
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        AusCERT Advisory Summary
        ------------------------

Product:           WebSphere Application Server 5.0.2
Operating System:  AIX
                   HP-UX
                   Solaris
                   Red Hat
                   Linux variants
                   Windows
Impact:            Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated
CVE Names:         CAN-2005-1872

OVERVIEW:

    A buffer overflow in the WebSphere Application Server Administrative
    Console has been found that could allow a malicious user to execute
    arbitrary code if the 'global security option' has been enabled.


IMPACT:

    A malicious unauthenticated user could execute arbitrary code on the
    host running WebSphere Application Server.
    

MITIGATION:

    Apply IBM's cumulative fix 11 for WebSphere Application Server, which can
    be found at:

      http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg24009775

    As a workaround untrusted users should be blocked from accessing TCP
    ports 9080, 9090 and 9043 on the WebSphere host, however any users allowed
    to connect to it will still be able to exploit this vulnerability.


REFERENCES:

    http://www-1.ibm.com/support/docview.wss?rs=180&uid=swg24009775
    http://www.appsecinc.com/resources/alerts/general/WEBSPHERE-001.html
    http://secunia.com/advisories/15598/


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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