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From "Erik Hatcher (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-2854) Limit remote streaming to update handlers
Date Thu, 27 Oct 2011 04:11:32 GMT

    [ https://issues.apache.org/jira/browse/SOLR-2854?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13136760#comment-13136760
] 

Erik Hatcher commented on SOLR-2854:
------------------------------------

What's left on this issue?  I suppose backporting it to 3.x is desirable for the masses? 
Do these patches work out of the box for 3.x?  (if not, can someone whip that up?)  Is this
particular issue done now?   Should we rename it to "Load URL content streams when needed,
rather than automatically regardless"?  
                
> Limit remote streaming to update handlers
> -----------------------------------------
>
>                 Key: SOLR-2854
>                 URL: https://issues.apache.org/jira/browse/SOLR-2854
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: David Smiley
>            Assignee: Erik Hatcher
>              Labels: security
>         Attachments: SOLR-2854-delay-stream-opening.patch, SOLR-2854_test_remote_streaming_not_done_on_select.patch
>
>
> I think the remote streaming feature should be limited to update request processors.
I'm not sure if there is even any use of using it on a /select, but even if there is, it's
an unintended security risk.  Observe this URL that is roughly the equivalent of an SQL injection
attack:
> http://localhost:8983/solr/select?q=*:*&indent=on&wt=ruby&rows=2&stream.url=http%3A%2F%2Flocalhost%3A8983%2Fsolr%2Fupdate%3Fcommit%3Dtruetream.body%3D%3Cdelete%3E%3Cquery%3E*%3A*%3C%2Fquery%3E%3C%2Fdelete%3E
> Yep; that's right -- this *search* deletes all the data in your Solr instance! If you
blocked off access to /update* based on IP then that isn't good enough.

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