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IJ06332: UPDATE KRB5LOGINMODULE.DOCALLBACKS() TO THROW A MORE DESCRIPTIVE"NULL PASSWORD" LOGINEXCEPTION.

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APAR status

  • Closed as program error.

Error description

  • Error Message: javax.security.auth.login.LoginException: Error
    creating key: java.lang.NullPointerException
    .
    Stack Trace: javax.security.auth.login.LoginException: Error
    creating key: java.lang.NullPointerException
    at
    com.ibm.security.jgss.i18n.I18NException.throwLoginException(I18
    NException.java:166)
    at
    com.ibm.security.auth.module.Krb5LoginModule.createServiceKey(Kr
    b5LoginModule.java:1985)
    at
    com.ibm.security.auth.module.Krb5LoginModule.doLogin(Krb5LoginMo
    dule.java:474)
    at
    com.ibm.security.auth.module.Krb5LoginModule.login(Krb5LoginModu
    le.java:346)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at
    sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessor
    Impl.java:90)
    at
    sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethod
    AccessorImpl.java:55)
    at java.lang.reflect.Method.invoke(Method.java:508)
    at
    javax.security.auth.login.LoginContext.invoke(LoginContext.java:
    788)
    at
    javax.security.auth.login.LoginContext.access$000(LoginContext.j
    ava:196)
    at
    javax.security.auth.login.LoginContext$4.run(LoginContext.java:6
    98)
    at
    javax.security.auth.login.LoginContext$4.run(LoginContext.java:6
    96)
    at
    java.security.AccessController.doPrivileged(AccessController.jav
    a:696)
    at
    javax.security.auth.login.LoginContext.invokePriv(LoginContext.j
    ava:696)
    at
    javax.security.auth.login.LoginContext.login(LoginContext.java:5
    97)
    at Jaas.loginAndAction(Jaas.java:108)
    .
    N/A
    

Local fix

  • N/A
    

Problem summary

  • Krb5LoginModule.doCallbacks() is not checking for a null
    password from interactive login,
    so a generic NullPointerException from a String method later in
    processing.
    

Problem conclusion

  • Updated Krb5LoginModule.doCallbacks() to check for a null
    password from interactive
    login, and throw a more descriptive "Null password"
    LoginException..
    The associated RTC PR is 137742
    The associated Austin CMVC defect is 117836
    The associated Austin APAR is IJ05516
    JVMs affected: Java 8 & 7
    The fix was delivered for: Java 8 SR5 FP15, Java 7 SR10 FP25,
    Java 727 SR4 FP25
    The affected jars: ibmjgssprovider.jar
    The build level of this jar for the affected releases is
    "20180404"
    .
    This APAR will be fixed in the following Java Releases:
       8    SR5 FP15  (8.0.5.15)
       7    SR10 FP25 (7.0.10.25)
       7 R1 SR4 FP25  (7.1.4.25)
    .
    Contact your IBM Product's Service Team for these Service
    Refreshes and Fix Packs.
    For those running stand-alone, information about the available
    Service Refreshes and Fix Packs can be found at:
               https://www.ibm.com/developerworks/java/jdk/
    

Temporary fix

  • N/A
    

Comments

APAR Information

  • APAR number

    IJ06332

  • Reported component name

    SECURITY

  • Reported component ID

    620700125

  • Reported release

    270

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2018-05-10

  • Closed date

    2018-05-10

  • Last modified date

    2018-05-10

  • 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

    SECURITY

  • Fixed component ID

    620700125

Applicable component levels

[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSNVBF","label":"Runtimes for Java Technology"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"270","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]

Document Information

Modified date:
07 December 2020