[ http://issues.apache.org/jira/browse/DERBY-2131?page=all ]
A B resolved DERBY-2131.
------------------------
Resolution: Fixed
Derby Info: (was: [Patch Available])
derbyall and suites.All both ran without errors and there were no objections to
the posted patch, so I committed d2131_v1.patch with svn 481117.
> External DTD files are accessed without a privileged block when Derby parses
> XML values that reference such DTDs.
> -----------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-2131
> URL: http://issues.apache.org/jira/browse/DERBY-2131
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.2.1.6, 10.3.0.0, 10.2.2.0, 10.2.1.8
> Reporter: A B
> Assigned To: A B
> Attachments: d2131_v1.patch
>
>
> The Derby XMLPARSE operator ultimately makes a call to an external JAXP
> parser (ex. Xerces or Crimson) to parse an XML value. If the XML value that
> is being parsed references an external DTD, then the JAXP parser will need to
> read the DTD file to complete parsing. However, the current code in
> SqlXmlUtil.java does not use a privileged block when it calls out to the JAXP
> parser. As a result, when a user who is running with a security manager
> tries to insert a document that references an external DTD, the call to
> XMLPARSE will fail with a security exception--even if the JAXP parser has the
> required "read" permissions.
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