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2996158 - SAML 2.0 authentication fails, user Source <email address> is longer than maximum length of a user name: 12 characters

Symptom

  • When performing a SAML 2.0 authentication, it fails and you are redirected to a logon screen or you will receive an authentication popup.
  • SAML 2.0 secure diagnostic tool trace shows error like "User source <email address> is longer than maximum length of a user name: 12  characters".
  • SAML secure diagnostic tool trace shows exception

    SAML20 SP (client <client number> ):  Exception raised:
    SAML20  SAML20 CX_SAML20_FEDERATION: User <email address> does not exist in client <client number>. Long text: User <email address> does not exist in client <client number>.
    SAML20     at CL_SAML20_FEDERATION->MAP_USERSOURCE_TO_USER_ID(Line 104)
    SAML20     at CL_SAML20_FEDERATION->CREATE_INSTANCE(Line 257)
    SAML20     at CL_SAML20_RESPONSE->VALIDATE_ASSERTION(Line 82)
    SAML20     at CL_SAML20_RESPONSE->VALIDATE(Line 64)
    SAML20     at CL_SAML20_SSO->VALIDATE_RESPONSE(Line 91)
    SAML20     at CL_HTTP_SAML20->PROCESS_LOGON(Line 345)
    SAML20     at CL_ICF_SAML_LOGIN->PROCESS_LOGON(Line 62)
    SAML20     at CL_HTTP_SERVER_NET->AUTHENTICATION(Line 2289)


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Environment

  • SAP Netweaver AS ABAP 7.02
  • SAP Netweaver AS ABAP 7.30
  • SAP Netweaver AS ABAP 7.31
  • SAP Netweaver AS ABAP 7.40
  • SAP Netweaver AS ABAP 7.50 and higher

Product

SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0

Keywords

SAML, SAML20  SAML20 CX_SAML20_FEDERATION,is longer than maximum length of a user name: 12  characters,email, User id mapping mode , KBA , BC-SEC-LGN-SML , SAML 2.0 for ABAP , BC-SEC , Security - Read KBA 2985997 for subcomponents , Problem

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