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From "Kathey Marsden (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-3532) Invalid & possibly skipped authentication handling when shutting down the network server.
Date Thu, 13 Jun 2013 22:09:20 GMT

     [ https://issues.apache.org/jira/browse/DERBY-3532?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Kathey Marsden updated DERBY-3532:
----------------------------------

    Issue & fix info:   (was: High Value Fix)

Unchecking HVF.  Looks like this is a sticky issue with possible compatibility concerns
                
> Invalid & possibly skipped  authentication handling when shutting down the network
server.
> ------------------------------------------------------------------------------------------
>
>                 Key: DERBY-3532
>                 URL: https://issues.apache.org/jira/browse/DERBY-3532
>             Project: Derby
>          Issue Type: Bug
>          Components: Network Server
>    Affects Versions: 10.4.1.3, 10.5.1.1
>            Reporter: Daniel John Debrunner
>            Priority: Critical
>              Labels: derby_triage10_9
>         Attachments: DERBY-3532.diff, ReproDerby3532.java, ReproDerby3532.java
>
>
> In NetworkServerControlImpl.checkShutdownPrivileges() code fetches the internal authentication
service to perform user authentication.
> However if no such authentication service is found (null is returned) then authentication
is bypassed, this has the potential of being a security hole.
> The discussion in DERBY-2109 indicated that even with authentication NONE, there is still
an internal authentication service, thus null is not a valid return when getting the internal
authentication service. A secure fail safe system would be to not bypass authentication if
null is returned.
> I tried removing the check for null in the method and that lead to NullPointerExceptions.
This means that something wrong is going on and very possibly no authentication checks are
actually being made when shutting down the network server.
> The null return might be due to checking the authentication after Derby has been shutdown.

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