IBM Support

PI88321: LIBERTY ALWAYS HONORS RELAYSTATE DURING IDP-INITIATED SAML WEB SSO

Fixes are available

18.0.0.1: WebSphere Application Server Liberty 18.0.0.1
18.0.0.2: WebSphere Application Server Liberty 18.0.0.2
18.0.0.3: WebSphere Application Server Liberty 18.0.0.3
18.0.0.4: WebSphere Application Server Liberty 18.0.0.4
19.0.0.1: WebSphere Application Server Liberty 19.0.0.1
19.0.0.2: WebSphere Application Server Liberty 19.0.0.2
19.0.0.3: WebSphere Application Server Liberty 19.0.0.3
19.0.0.4: WebSphere Application Server Liberty 19.0.0.4
19.0.0.5: WebSphere Application Server Liberty 19.0.0.5
19.0.0.6: WebSphere Application Server Liberty 19.0.0.6
19.0.0.7: WebSphere Application Server Liberty 19.0.0.7
19.0.0.8: WebSphere Application Server Liberty 19.0.0.8
19.0.0.9: WebSphere Application Server Liberty 19.0.0.9
19.0.0.10: WebSphere Application Server Liberty 19.0.0.10
19.0.0.11: WebSphere Application Server Liberty 19.0.0.11
19.0.0.12: WebSphere Application Server Liberty 19.0.0.12
20.0.0.1: WebSphere Application Server Liberty 20.0.0.1
20.0.0.2: WebSphere Application Server Liberty 20.0.0.2
20.0.0.3: WebSphere Application Server Liberty 20.0.0.3
20.0.0.4: WebSphere Application Server Liberty 20.0.0.4
20.0.0.5: WebSphere Application Server Liberty 20.0.0.5
20.0.0.6: WebSphere Application Server Liberty 20.0.0.6
20.0.0.7: WebSphere Application Server Liberty 20.0.0.7
20.0.0.8: WebSphere Application Server Liberty 20.0.0.8
20.0.0.9: WebSphere Application Server Liberty 20.0.0.9
20.0.0.10: WebSphere Application Server Liberty 20.0.0.10
20.0.0.11: WebSphere Application Server Liberty 20.0.0.11
20.0.0.12: WebSphere Application Server Liberty 20.0.0.12

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Liberty always honors RelayState during IdP-initiated SAML
    Web SSO
    

Local fix

  • Use SP-initiated sign-on
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:  All users of IBM WebSphere Application      *
    *                  Server Liberty - SAML Web Single Sign-On    *
    ****************************************************************
    * PROBLEM DESCRIPTION: Liberty SAML Single Sign-On feature     *
    *                      cannot ignore the RelayState parameter  *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    A Liberty administrator has no way to direct the SAML Single
    Sign-On feature to always use the configured target URL instead
    of using the URL sent by the IdP in the RelayState parameter.
    Administrators migrating from WebSphere traditional may need the
    ability to do this.
    

Problem conclusion

  • The SAML Web Single Sign-On feature is updated to add the
    following property:
    
    useRelayStateForTarget
    
    When doing IdP-initiated SSO, this property specifies if the
    relayState in a SAMLResponse should be used as the target URL.
    If set to false, the value for targetPageUrl is always used as
    the target URL.
    The default vaule for useRelayStateForTarget is true.
    
    If useRelayStateForTarget is set to false, the targetPageUrl
    property must be set to a valid url.
    
    The fix for this APAR is currently targeted for inclusion in fix
    pack 18.0.0.1.  Please refer to the Recommended Updates page for
    delivery information:
    http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI88321

  • Reported component name

    LIBERTY PROFILE

  • Reported component ID

    5724J0814

  • Reported release

    CD0

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-10-03

  • Closed date

    2018-01-23

  • Last modified date

    2018-01-23

  • 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

    LIBERTY PROFILE

  • Fixed component ID

    5724J0814

Applicable component levels

  • RCD0 PSY

       UP

[{"Business Unit":{"code":"BU053","label":"Cloud \u0026 Data Platform"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"CD0","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
19 October 2021