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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] Commented: (AMQ-3211) JMSXUserId Can be spoofed by client
Date Mon, 14 Mar 2011 18:00:31 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3211?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13006538#comment-13006538
] 

Gary Tully commented on AMQ-3211:
---------------------------------

yeah, confluence is restricted to committers,
can you add (via comment or diff/patch) any doco updates to this jira and I will update confluence.


> JMSXUserId Can be spoofed by client
> -----------------------------------
>
>                 Key: AMQ-3211
>                 URL: https://issues.apache.org/jira/browse/AMQ-3211
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker
>    Affects Versions: 5.4.2
>            Reporter: Michael Steiner
>            Assignee: Gary Tully
>             Fix For: 5.5.0
>
>         Attachments: JMSXUserID-bug.conf-src.tar.bz2, JMSXUserID-bug.diff
>
>
> It seems the JMSXUserId can be spoofed by client contrary to what http://activemq.apache.org/jmsxuserid.html
says.
> My test setup is populateJMSXUserID="true set in a single broker, a JAAS config org.apache.activemq.jaas.TextFileCertificateLoginModule
and using mutual auth SSL (i.e., ?needClientAuth=true for transportConnector setup), and a
single consumer and producer based on small modifications of the ConsumerTool and ProducerTool
examples in the 5.4.2 distro.  See attached the changes to the distro package to demonstrate
the bug. Just do
> 1. run apache-activemq-5.4.2/bin/activemq-admin start
> 2. in apache-activemq-5.4.2/example run ant consumer -Durl=ssl://localhost:61617 -Dmax=3
-Dverbose=true
> 3. in another shell in apache-activemq-5.4.2/example run ant producer -Durl=ssl://localhost:61617
-Dmax=3 -Dverbose=true
> 4. look at the output of the consumer for the properties printed after each received
message (the producer spoofs only on even numbered messages)
> When the client does not set the property, then i get the properly authenticated DN as
JMSXUserID using message.getStringProperty("JMSXUserID"). However, when the client sets it,
i get the value set by the client.  The only difference i notice is that in the former case,
message.getPropertyNames() does not return JMSXUserID whereas in the spoofed case it does.

> i wonder whether in the context of https://issues.apache.org/jira/browse/QPID-943 or
https://issues.apache.org/jira/browse/AMQ-2840 (which interestingly doesn't list JMSXUserID
as supported in a comment even though it is?) something got messed up?

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