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https://issues.apache.org/jira/browse/HBASE-21481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16694704#comment-16694704
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Reid Chan commented on HBASE-21481:
-----------------------------------
v4 fixed checkstyle warning
> [acl] Superuser's permissions should not be granted or revoked by any non-su
> global admin
> -----------------------------------------------------------------------------------------
>
> Key: HBASE-21481
> URL: https://issues.apache.org/jira/browse/HBASE-21481
> Project: HBase
> Issue Type: Improvement
> Reporter: Reid Chan
> Assignee: Reid Chan
> Priority: Major
> Labels: ACL, security-issue
> Fix For: 3.0.0, 2.2.0
>
> Attachments: HBASE-21481.master.001.patch,
> HBASE-21481.master.002.patch, HBASE-21481.master.003.patch,
> HBASE-21481.master.004.patch
>
>
> Superusers are {{hbase.superuser}} listed in configuration and plus the one
> who start master process, these two may be overlap.
> A superuser must be a global admin, but a global admin may not be a
> superuser, possibly granted afterwards.
> For now, an non-su global admin with a Global.ADMIN permission can grant or
> revoke any superuser's permission, accidentally or deliberately.
> The purpose of this issue is to ban this action.
>
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