[jira] [Commented] (SOLR-13993) sandbox velocity template render

["Robert Muir (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-13993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986607#comment-16986607 ] 

Robert Muir commented on SOLR-13993:
------------------------------------

looking in now. we can implement this as long as the tests pass.

> sandbox velocity template render
> --------------------------------
>
>                 Key: SOLR-13993
>                 URL: https://issues.apache.org/jira/browse/SOLR-13993
>             Project: Solr
>          Issue Type: Improvement
>      Security Level: Public(Default Security Level. Issues are Public) 
>            Reporter: Robert Muir
>            Priority: Major
>
> This thing seems dangerous :)
> Making the whole solr secure is a whole nother thing: (see e.g. SOLR-13991 and we haven't even gotten started). Its pretty difficult to convert whole large app to work securely. It is going to take time.
> In the meantime, if we have things that might do something dangerous, and security manager is enabled, we can put them into a special little sandbox and throw away the key: for example we can intentionally discard permissions we don't need so they can't launch stuff, if we really don't trust them, we can start filtering what classes classloader will load.
> This isn't that crazy at all to do, e.g. your web browser does similar tricks to try to sandbox specific parts that might do something unexpected and cause security issue.



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