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