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  1. WildFly Elytron
  2. ELY-1475

Empty username for FormAuthenticationMechanism causes IllegalArgumentException

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Details

    • Bug
    • Resolution: Done
    • Major
    • 1.2.0.Beta12
    • 1.2.0.Beta11
    • None
    • None

    Description

      In case when empty username is passed to FormAuthenticationMechanism.attemptAuthentication then IllegalArgumentException is thrown from constructor of NameCallback. This happens in cases when form is sent with empty value for j_username.

      See exception:

      ERROR [io.undertow.request] (default task-18) UT005023: Exception handling request to /depForm/j_security_check: java.lang.IllegalArgumentException
      	at javax.security.auth.callback.NameCallback.<init>(NameCallback.java:90)
      	at org.wildfly.security.http.impl.UsernamePasswordAuthenticationMechanism.authenticate(UsernamePasswordAuthenticationMechanism.java:60)
      	at org.wildfly.security.http.impl.FormAuthenticationMechanism.attemptAuthentication(FormAuthenticationMechanism.java:172)
      	at org.wildfly.security.http.impl.FormAuthenticationMechanism.evaluateRequest(FormAuthenticationMechanism.java:106)
      	at org.wildfly.security.http.util.SetMechanismInformationMechanismFactory$1.evaluateRequest(SetMechanismInformationMechanismFactory.java:114)
      	at org.wildfly.security.http.util.SecurityIdentityServerMechanismFactory$1.evaluateRequest(SecurityIdentityServerMechanismFactory.java:77)
      	at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.authenticate(HttpAuthenticator.java:115)
      	at org.wildfly.security.http.HttpAuthenticator$AuthenticationExchange.access$100(HttpAuthenticator.java:94)
      	at org.wildfly.security.http.HttpAuthenticator.authenticate(HttpAuthenticator.java:78)
      	at org.wildfly.elytron.web.undertow.server.SecurityContextImpl.authenticate(SecurityContextImpl.java:100)
      	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:55)
      	at io.undertow.server.handlers.DisableCacheHandler.handleRequest(DisableCacheHandler.java:33)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at io.undertow.security.handlers.AuthenticationConstraintHandler.handleRequest(AuthenticationConstraintHandler.java:53)
      	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
      	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
      	at io.undertow.servlet.handlers.security.ServletSecurityConstraintHandler.handleRequest(ServletSecurityConstraintHandler.java:59)
      	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
      	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
      	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:292)
      	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:81)
      	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:138)
      	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:135)
      	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
      	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
      	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1508)
      	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:272)
      	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:81)
      	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:104)
      	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:326)
      	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:812)
      	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
      	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
      	at java.lang.Thread.run(Thread.java:748)
      

      It seems that [1] should also check username.length() == 0.

      [1] https://github.com/wildfly-security/wildfly-elytron/blob/32ff7c17965b3ecae6be7ce1c9b96ab642ddc4ad/src/main/java/org/wildfly/security/http/impl/FormAuthenticationMechanism.java#L165

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              rhn-support-ivassile Ilia Vassilev
              olukas Ondrej Lukas (Inactive)
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                Updated:
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