[jboss-jira] [JBoss JIRA] (WFLY-2317) Trying to remove a server group as a server-group-scoped role leaks information

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-2317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12840795#comment-12840795 ] 

RH Bugzilla Integration commented on WFLY-2317:
-----------------------------------------------

Ladislav Thon <lthon at redhat.com> changed the Status of [bug 1019784|https://bugzilla.redhat.com/show_bug.cgi?id=1019784] from ON_QA to VERIFIED
                
> Trying to remove a server group as a server-group-scoped role leaks information
> -------------------------------------------------------------------------------
>
>                 Key: WFLY-2317
>                 URL: https://issues.jboss.org/browse/WFLY-2317
>             Project: WildFly
>          Issue Type: Sub-task
>      Security Level: Public(Everyone can see) 
>          Components: Domain Management
>            Reporter: Ladislav Thon
>            Assignee: Brian Stansberry
>              Labels: rbac-filed-by-qa
>             Fix For: 8.0.0.CR1
>
>
> When writing a small test case for WFLY-2190, I stumbled upon a problem: trying to remove an existing server group by a server-group-scoped user that does NOT have permissions to that server group leaks information. On a freshly built WildFly with added {{admin}} user into {{domain/configuration/mgmt-users.properties}}, it can be reproduced like this:
> {code}
> [1] ./bin/domain.sh
> [2] ./bin/jboss-cli.sh -c
>     /core-service=management/access=authorization/server-group-scoped-role=NewRole:add(base-role=administrator, server-groups=[main-server-group])
>     /core-service=management/access=authorization/role-mapping=NewRole:add
>     /core-service=management/access=authorization/role-mapping=NewRole/include=user-admin:add(name=admin, type=user)
>     /core-service=management/access=authorization:write-attribute(name=provider, value=rbac)
>     exit
> [1] ^C
>     ./bin/domain.sh
> [2] ./bin/jboss-cli.sh -c --user=admin --password=XXX
>     /server-group=other-server-group:read-resource
>     /server-group=other-server-group:remove
> {code}
> What does that mean? The {{NewRole}} is scoped to the {{main-server-group}} server group and can't see {{other-server-group}}. When doing {{/server-group=other-server-group:read-resource}}, this is correctly enforced and the output looks like this:
> {code}
> {
>     "outcome" => "failed",
>     "failure-description" => "JBAS014807: Management resource '[(\"server-group\" => \"other-server-group\")]' not found",
>     "rolled-back" => true
> }
> {code}
> However, trying to do {{/server-group=other-server-group:remove}}, which is only a different operation _on the same resource_, I get a different error message:
> {code}
> {
>     "outcome" => "failed",
>     "failure-description" => {"domain-failure-description" => "JBAS013456: Unauthorized to execute operation 'remove' for resource '[(\"server-group\" => \"other-server-group\")]' -- \"JBAS013475: Permission denied\""},
>     "rolled-back" => true
> }
> {code}
> I expect the error message to be completely the same as in previous case, not leaking any information that the {{other-server-group}} actually exists.

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