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PH22517: WS-SECURITY MAY DECODE KERBEROS TOKEN AND RETRIEVE THE REALM NAME FOR THE PRINCIPAL NAME

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APAR status

  • Closed as program error.

Error description

  • Include SDK APAR IJ22840
    Kerberos error when migrating from Java 7 to Java 8.
    
    The WS-Security runtime may receive the realm name instead of
    the principal name when it decodes a Kerberos token in an
    inbound SOAP message.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  IBM WebSphere Application Server and        *
    *                  Kerberos                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: When WS-Security decodes a Kerberos     *
    *                      token, its principal name my be         *
    *                      replaced by its realm name.             *
    ****************************************************************
    * RECOMMENDATION:  Install a fix pack that includes this       *
    *                  APAR.                                       *
    ****************************************************************
    When a Kerberos token is decoded in a by the JAX-WS
    WS-Security runtime in WebSphere, the principal name may be
    replaced by the realm name.  This my cause a WebSphere subject
    to be created incorrectly.
    This issue appears to occur after migrating from Java 7 to Java
    8.
    

Problem conclusion

  • The WS-Security runtime in WebSphere uses classes provided by
    Java to decode the Kerberos token.  This problem described in
    this APAR originates in these Java classes. These specific
    Java classes are shipped with WebSphere and not with Java.
    
    Java APAR IJ22840 resolves this issue, but it is included in
    WebSphere under PH22517.  For more information about this
    issue, see the resolution for Java APAR IJ22840.
    
    The fix for this APAR is targeted for inclusion in fix packs
    8.5.5.18 and 9.0.5.5.  For more information, see
    'Recommended Updates for WebSphere Application Server':
    http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH22517

  • Reported component name

    WEBS APP SERV N

  • Reported component ID

    5724H8800

  • Reported release

    850

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-02-21

  • Closed date

    2020-04-20

  • Last modified date

    2020-04-20

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

Fix information

  • Fixed component name

    WEBS APP SERV N

  • Fixed component ID

    5724H8800

Applicable component levels

  • R850 PSY

       UP

  • R900 PSY

       UP

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Document Information

Modified date:
01 November 2021