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AA-2009.0072                  AUSCERT Advisory

                     [Win][Linux][HP-UX][Solaris][AIX]
          IBM WebSphere Application Server: Cross-Site Scripting
                               30 March 2009
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        AusCERT Advisory Summary
        ------------------------

Product:              WebSphere Application Server
Operating System:     AIX
                      HP-UX
                      Linux variants
                      Solaris
                      Windows
Impact:               Cross-site Scripting
                      Create Arbitrary Files
Access:               Remote/Unauthenticated
Member content until: Monday, April 27 2009

OVERVIEW:
       
      A number of vulnerabilities have been identified in IBM WebSphere 
      Application Server for z/OS prior to version 7.0.0.3.


IMPACT:
      
      The fix pack addresses multiple issues, in particular two security
      vulnerabilities described by the vendor as:
    
      "PK77505 Cross site scripting vulnerability in adminstrative
      console." [1]

      "PK77590 Interim fixes that replace existing files or create new
      files incorrectly set permission to 777 rather than 755." [1]   
 

MITIGATION:

      The vendor recommends applying APAR PK82988, or upgrade to version
      7.0.0.3 when it becomes available. [1]


REFERENCES:

      [1] IBM - PK82988: SHIP APAR FIXES FOR h28W700 FIX PACK 7.0.0.3
          http://www-01.ibm.com/support/docview.wss?uid=swg1PK82988

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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