IBM Support

IJ20982: QRADAR LDAP AUTHENTICATION CAN FAIL DUE TO SHA1 CERTIFICATES BEING BLOCKED

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APAR status

  • Closed as program error.

Error description

  • It has been identified that SHA1 certificates can be blocked
    due to invalid algorithms.  QRadar LDAP authentication can fail
    when this issue occurs.
    Messages similar to the following might be visible in
    /var/log/qradar.log when this issue is occuring:
    tomcat[25530]: at
    org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapte
    r.java:343)
    tomcat[25530]: at
    org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:476
    )
    tomcat[25530]: at
    org.apache.coyote.AbstractProcessorLight.process(AbstractProcess
    orLight.java:66)
    tomcat[25530]: at
    org.apache.coyote.AbstractProtocol$ConnectionHandler.process(Abs
    tractProtocol.java:806)
    tomcat[25530]: at
    org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(Nio
    Endpoint.java:1498)
    tomcat[25530]: at
    org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcess
    orBase.java:49)
    tomcat[25530]: at
    java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExec
    utor.java:1160)
    tomcat[25530]: at
    java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExe
    cutor.java:635)
    tomcat[25530]: at
    org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(T
    askThread.java:61)
    tomcat[25530]: at java.lang.Thread.run(Thread.java:812)
    tomcat[25530]: Caused by:
    tomcat[25530]: javax.net.ssl.SSLHandshakeException:
    java.security.cert.CertificateException: Certificates does not
    conform to algorithm constraints
    tomcat[25530]: at com.ibm.jsse2.k.a(k.java:42)
    tomcat[25530]: at com.ibm.jsse2.av.a(av.java:688)
    tomcat[25530]: at com.ibm.jsse2.D.a(D.java:495)
    tomcat[25530]: at com.ibm.jsse2.D.a(D.java:534)
    tomcat[25530]: at com.ibm.jsse2.E.a(E.java:151)
    tomcat[25530]: at com.ibm.jsse2.E.a(E.java:401)
    tomcat[25530]: at com.ibm.jsse2.D.r(D.java:444)
    tomcat[25530]: at com.ibm.jsse2.D.a(D.java:399)
    tomcat[25530]: at com.ibm.jsse2.av.a(av.java:1006)
    tomcat[25530]: at com.ibm.jsse2.av.i(av.java:574)
    tomcat[25530]: at com.ibm.jsse2.av.a(av.java:468)
    tomcat[25530]: at com.ibm.jsse2.i.write(i.java:17)
    tomcat[25530]: at
    java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.ja
    va:93)
    tomcat[25530]: at
    java.io.BufferedOutputStream.flush(BufferedOutputStream.java:151
    )
    tomcat[25530]: at
    com.sun.jndi.ldap.Connection.writeRequest(Connection.java:455)
    tomcat[25530]: at
    com.sun.jndi.ldap.Connection.writeRequest(Connection.java:428)
    tomcat[25530]: at
    com.sun.jndi.ldap.LdapClient.ldapBind(LdapClient.java:371)
    tomcat[25530]: at
    com.sun.jndi.ldap.LdapClient.authenticate(LdapClient.java:226)
    tomcat[25530]: ... 84 more
    tomcat[25530]: Caused by:
    tomcat[25530]: java.security.cert.CertificateException:
    Certificates does not conform to algorithm constraints
    tomcat[25530]: at com.ibm.jsse2.aB.a(aB.java:18)
    tomcat[25530]: at com.ibm.jsse2.aB.a(aB.java:82)
    tomcat[25530]: at
    com.ibm.jsse2.aB.checkServerTrusted(aB.java:45)
    tomcat[25530]: at com.ibm.jsse2.E.a(E.java:757)
    tomcat[25530]: ... 97 more
    

Local fix

  • Contact Support for a possible workaround that might address
    this issue in some instances.
    

Problem summary

  • This issue was fixed in QRadar QRM QVM release of 7.4.0 Fix Pack
    1.
    

Problem conclusion

  • This issue was fixed in QRadar QRM QVM release of 7.4.0 Fix Pack
    1.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ20982

  • Reported component name

    QRADAR SOFTWARE

  • Reported component ID

    5725QRDSW

  • Reported release

    732

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2019-11-13

  • Closed date

    2020-04-15

  • Last modified date

    2020-04-15

  • 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

    QRADAR SOFTWARE

  • Fixed component ID

    5725QRDSW

Applicable component levels

[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSBQAC","label":"IBM QRadar SIEM"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Line of Business":{"code":"LOB24","label":"Security Software"}}]

Document Information

Modified date:
16 April 2020