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https://issues.apache.org/jira/browse/CASSANDRA-21560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stefan Miklosovic updated CASSANDRA-21560:
------------------------------------------
    Reviewers: Stefan Miklosovic, Stefan Miklosovic
               Stefan Miklosovic, Stefan Miklosovic  (was: Stefan Miklosovic)
       Status: Review In Progress  (was: Patch Available)

> 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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