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https://issues.apache.org/jira/browse/DERBY-6616?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-6616:
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Attachment: derby-6616-01-ad-reauthorize.diff
Attaching a candidate patch for this issue. Needs to be tested and debugged
before I describe it.
> User procedures can call system procedures, circumventing SQL authorization.
> ----------------------------------------------------------------------------
>
> Key: DERBY-6616
> URL: https://issues.apache.org/jira/browse/DERBY-6616
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.11.0.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Attachments: SystemProcWrapper.java, derby-6616-01-ad-reauthorize.diff
>
>
> System procedures are implemented as public static methods in
> org.apache.derby.catalog.SystemProcedures. These methods can be called by
> code in user-written procedures. This allows a user-written procedure to
> circumvent the SQL authorization checks which are supposed to limit some
> procedures to being called only by the DBO. I will attach a repro.
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