[jira] [Commented] (CASSANDRA-7513) Non-superuser users should not be able to list users

["Michael Shuler (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-7513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14055414#comment-14055414 ] 

Michael Shuler commented on CASSANDRA-7513:
-------------------------------------------

For the sake of the conversation, if I was a successfully logged in c* user, a) I have database access authentication, b) I need a superuser to do something beyond my own access, c) ListUserStatement will allow me to see who I might go ask to do something for me, or a superuser that I need to log in as to perform the needed action.

I already have, as a normal user, authentication to see things in the database. What's the harm in seeing who the superusers are?

> Non-superuser users should not be able to list users
> ----------------------------------------------------
>
>                 Key: CASSANDRA-7513
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7513
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Mike Adamson
>             Fix For: 2.0.10
>
>
> ListUserStatement allows any logged in user to list all the users in the system. This is a security flaw as it allows non-superusers to get a list of superusers.
> There is no reason to allow non-superusers to get a list users because all the authentication functionality that manipulates users is only available to superusers.



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