Tellier Benoit created MAILBOX-219:
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             Summary: A user with any right on a mailbox gets full rights on 
the given mailbox.
                 Key: MAILBOX-219
                 URL: https://issues.apache.org/jira/browse/MAILBOX-219
             Project: James Mailbox
          Issue Type: Bug
          Components: api
    Affects Versions: 0.5
         Environment: James uses binary operation code in order to store user's 
ACL on a single int.

This was buggy as a or was used to see if the user have a given right. A and 
should have been used.

So, as a consequence, setting any write to a user gives him full rights on the 
given mailbox, wich is a major security issue.

All mailbox implementations are affected.

            Reporter: Tellier Benoit






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