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https://issues.apache.org/jira/browse/CASSANDRA-21560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18104629#comment-18104629
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Stefan Miklosovic commented on CASSANDRA-21560:
-----------------------------------------------

trunk: https://pre-ci.cassandra.apache.org/job/cassandra/668/#showFailuresLink
6.0: https://pre-ci.cassandra.apache.org/job/cassandra-6.0/115/#showFailuresLink
5.0: https://pre-ci.cassandra.apache.org/job/cassandra-5.0/187/

> Validate authz before performing role check in LIST ROLES/PERMISSIONS
> ---------------------------------------------------------------------
>
>                 Key: CASSANDRA-21560
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-21560
>             Project: Apache Cassandra
>          Issue Type: Bug
>          Components: Legacy/Core
>            Reporter: Francisco Guerrero
>            Assignee: Francisco Guerrero
>            Priority: Normal
>
> In {{ListPermissionsStatement}} and {{ListRolesStatement}} we perform a role 
> check existence before ensuring the logged in user has access to list roles 
> or permissions of that user.
> This could allow someone without access to list roles or permissions to check 
> for existence of a role in the database, as the error message will show 
> {{role foo does not exist}}.
> We should reverse the conditions and perform the validation before performing 
> the role check.



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