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AA-2007.0122                  AUSCERT Advisory

                             [Win][UNIX/Linux]
               WebSphere Application Server V6.1 Fix Pack 13
                             10 December 2007
- ---------------------------------------------------------------------------

        AusCERT Advisory Summary
        ------------------------

Product:              WebSphere Application Server V6.1
Operating System:     UNIX variants (UNIX, Linux, OSX)
                      Windows
Impact:               Execute Arbitrary Code/Commands
                      Denial of Service
                      Cross-site Scripting
Access:               Remote/Unauthenticated
Member content until: Thursday, January 10 2008

Original Bulletin:
  http://www-1.ibm.com/support/docview.wss?uid=swg24017334
  http://www-1.ibm.com/support/docview.wss?uid=swg24017332
  http://www-1.ibm.com/support/docview.wss?uid=swg24017311
  http://www-1.ibm.com/support/docview.wss?uid=swg24017335
  http://www-1.ibm.com/support/docview.wss?uid=swg24017307
  http://www-1.ibm.com/support/docview.wss?uid=swg24017303
  http://www-1.ibm.com/support/docview.wss?uid=swg27007951

OVERVIEW:

        Multiple vulnerabilities exist in IBM WebSphere Application Server 
        V6.1 Fix Pack 11 and prior.
        

IMPACT:

        The impact for these vulnerabilities vary, however the most severe
        are Denial of Service and Execution of Arbitrary Code.

        An example of a DoS vulnerability fixed by this Fix Pack is APAR
        PK48630 whereby "spaces padded to the uniquename causing problems
        in administrative console" [1] will result in 100% CPU utilisation.

        A Cross-Site Scripting vulnerability also exists  which is listed
        as APAR PK40213. IBM states that "inserting certain script tags in
        URLs may allow unintended execution of scripts." [1]

        Many more vulnerabilities are listed on the IBM website. [1]


MITIGATION:

        Apply Fix Pack 13 to resolve these issues. [2][3][4][5][6][7]


REFERENCES:

        [1] Fix list for IBM WebSphere Application Server version 6.1
            http://www-1.ibm.com/support/docview.wss?uid=swg27007951#61013

        [2] WebSphere Application Server V6.1 Fix Pack 13 for Windows
            http://www-1.ibm.com/support/docview.wss?uid=swg24017334

        [3] WebSphere Application Server V6.1 Fix Pack 13 for Solaris
            http://www-1.ibm.com/support/docview.wss?uid=swg24017332

        [4] WebSphere Application Server V6.1 Fix Pack 13 for Linux
            http://www-1.ibm.com/support/docview.wss?uid=swg24017311

        [5] WebSphere Application Server V6.1 Fix Pack 13 for i5/OS
            http://www-1.ibm.com/support/docview.wss?uid=swg24017335

        [6] WebSphere Application Server V6.1 Fix Pack 13 for HP-UX
            http://www-1.ibm.com/support/docview.wss?uid=swg24017307

        [7] WebSphere Application Server V6.1 Fix Pack 13 for AIX
            http://www-1.ibm.com/support/docview.wss?uid=swg24017303

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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