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https://issues.apache.org/jira/browse/DRILL-3820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14941814#comment-14941814
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Rahul Challapalli commented on DRILL-3820:
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Why not read and write both as the drillbit process user even with
impersonation?
> Nested Directories : Metadata Cache in a directory stores information from
> sub-directories as well creating security issues
> ---------------------------------------------------------------------------------------------------------------------------
>
> Key: DRILL-3820
> URL: https://issues.apache.org/jira/browse/DRILL-3820
> Project: Apache Drill
> Issue Type: Bug
> Components: Metadata
> Reporter: Rahul Challapalli
> Assignee: Steven Phillips
> Priority: Critical
> Fix For: 1.2.0
>
>
> git.commit.id.abbrev=3c89b30
> User A has access to lineitem folder and its subfolders
> User B had access to lineitem folder but not its sub-folders.
> Now when User A runs the "refresh table metadata lineitem" command, the cache
> file gets created under lineitem folder. This file contains information from
> the underlying sub-directories as well.
> Now User B can download this file and get access to information which he
> should not be seeing in the first place.
> This can be very easily reproducible if impersonation is enabled on the
> cluster.
> Let me know if you need more information to reproduce this issue
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