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From "Thejas M Nair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-4887) hive should have an option to disable non sql commands that impose security risk
Date Wed, 13 Nov 2013 21:35:21 GMT

    [ https://issues.apache.org/jira/browse/HIVE-4887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13821876#comment-13821876
] 

Thejas M Nair commented on HIVE-4887:
-------------------------------------

Thanks for bringing HIVE-5400 to attention here. That addresses part of this issue. But it
does not restrict shell commands from being run (from what I see), including  hive transform
(streaming though shell commands) query .

> hive should have an option to disable non sql commands that impose security risk
> --------------------------------------------------------------------------------
>
>                 Key: HIVE-4887
>                 URL: https://issues.apache.org/jira/browse/HIVE-4887
>             Project: Hive
>          Issue Type: Task
>          Components: Authorization, Security
>            Reporter: Thejas M Nair
>
> Hive's RDBMS style of authorization (using grant/revoke), relies on all data access being
done through hive select queries. But hive also supports running dfs commands, shell commands
(eg "!cat file"), and shell commands through hive streaming.
> This creates problems in securing a hive server using this authorization model. UDF is
another way to write custom code that can compromise security, but you can control that by
restricting access to users to be only through jdbc connection to hive server (2).
> (note that there are other major problems such as this one - HIVE-3271)



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