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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-13768) ZooKeeper znodes are bootstrapped with insecure ACLs in a secure configuration
Date Sat, 30 May 2015 22:51:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-13768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14566237#comment-14566237
] 

Andrew Purtell commented on HBASE-13768:
----------------------------------------

bq. but since we have the checkAndSetZNodeAcls() why are we covering only the unsecure ->
secure case and not the other way around too? [...] (otherwise we have to use the tool HBASE-13162
for this specific case)

No strong opinion here. I think we could do this as a followup issue. Needing a tool to make
the change for now isn't bad either,  should that secure -> unsecure configuration change
be unintentional needing an extra tool to invoke lessens the chance the cluster gets up and
running with it.

> ZooKeeper znodes are bootstrapped with insecure ACLs in a secure configuration
> ------------------------------------------------------------------------------
>
>                 Key: HBASE-13768
>                 URL: https://issues.apache.org/jira/browse/HBASE-13768
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Andrew Purtell
>            Assignee: Enis Soztutar
>            Priority: Blocker
>             Fix For: 2.0.0, 0.98.13, 1.0.2, 1.2.0, 1.1.1, 0.98.12.1, 1.0.1.1, 1.1.0.1
>
>         Attachments: HBASE-13768-0.98.patch, HBASE-13768-branch-1.0.patch, HBASE-13768-branch-1.patch,
HBASE-13768_v1.patch, HBASE-13768_v2.patch, HBASE-13768_v3.patch, HBASE-13768_v4.patch
>
>
> A logic error causes HBase in most secure configuration deployments to handle its coordination
state in ZooKeeper via insecure ACLs. Anyone with remote unauthenticated network access to
the ZooKeeper quorum, which by definition includes all HBase clients, can make use of this
opening to violate the operational integrity of the system. For example, critical znodes can
be deleted, causing outages. It is possible to introduce rogue replication endpoints. It is
possible to direct the distributed log splitting facility to split arbitrary files in HDFS.



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