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https://issues.apache.org/jira/browse/HIVE-5635?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13874499#comment-13874499
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shanyu zhao commented on HIVE-5635:
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Hi [~ekoifman], any reason you used 2 nested ugi.doAs()? Isn't 1 doAs() enough?
> WebHCatJTShim23 ignores security/user context
> ---------------------------------------------
>
> Key: HIVE-5635
> URL: https://issues.apache.org/jira/browse/HIVE-5635
> Project: Hive
> Issue Type: Bug
> Components: WebHCat
> Affects Versions: 0.12.0
> Reporter: Eugene Koifman
> Assignee: Eugene Koifman
> Fix For: 0.13.0
>
> Attachments: HIVE-5635.2.patch, HIVE-5635.3.patch, HIVE-5635.patch
>
>
> WebHCatJTShim23 takes UserGroupInformation object as argument (which
> represents the user make the call to WebHCat or doAs user) but ignores.
> WebHCatJTShim20S uses the UserGroupInformation
> This is inconsistent and may be a security hole because in with Hadoop 2 the
> methods on WebHCatJTShim are likely running with 'hcat' as the user context.
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