[jira] [Updated] (HBASE-15132) Master region merge RPC should authorize user request

["Ted Yu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HBASE-15132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ted Yu updated HBASE-15132:
---------------------------
    Attachment: 15132-v1.patch

Draft patch illustrating proposed change

> Master region merge RPC should authorize user request
> -----------------------------------------------------
>
>                 Key: HBASE-15132
>                 URL: https://issues.apache.org/jira/browse/HBASE-15132
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>         Attachments: 15132-v1.patch
>
>
> The normal flow for region merge is:
> 1. client sends a master RPC for dispatch merge regions
> 2. master moves the regions to the same regionserver
> 3. master calls mergeRegions RPC on the regionserver. 
> For user initiated region merge, MasterRpcServices#dispatchMergingRegions() is called by HBaseAdmin.
> There is no coprocessor invocation in step 1.
> Step 3 is carried out in the "hbase" user context.
> This leaves potential security hole - any user without proper authorization can merge regions of any table.
> Thanks to Enis who spotted this flaw first.



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