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From "Alan Woodward (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5234) Allow SolrResourceLoader to load resources from URLs
Date Tue, 11 Feb 2014 17:01:22 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13898027#comment-13898027
] 

Alan Woodward commented on SOLR-5234:
-------------------------------------

The problem comes when it's loading something like XML.  The CVE issue Uwe linked above is
very clear (and slightly terrifying) about how you can break into a system running Solr if
you can upload some XML somewhere onto the system - I had no idea that you could run arbitrary
Java code within an XML parser, but it turns out you can!

> Allow SolrResourceLoader to load resources from URLs
> ----------------------------------------------------
>
>                 Key: SOLR-5234
>                 URL: https://issues.apache.org/jira/browse/SOLR-5234
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Alan Woodward
>            Assignee: Alan Woodward
>            Priority: Minor
>         Attachments: SOLR-5234.patch, SOLR-5234.patch
>
>
> This would allow multiple solr instance to share large configuration files.  It would
also help resolve problems caused by attempting to store >1Mb files in zookeeper.



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