[jira] [Updated] (SPARK-29556) Avoid including path in error response from REST submission server

["Dongjoon Hyun (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-29556?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dongjoon Hyun updated SPARK-29556:
----------------------------------
    Affects Version/s: 2.0.2
                       2.1.3
                       2.2.3
                       2.3.4

> Avoid including path in error response from REST submission server
> ------------------------------------------------------------------
>
>                 Key: SPARK-29556
>                 URL: https://issues.apache.org/jira/browse/SPARK-29556
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 2.0.2, 2.1.3, 2.2.3, 2.3.4, 2.4.4, 3.0.0
>            Reporter: Sean R. Owen
>            Assignee: Sean R. Owen
>            Priority: Minor
>             Fix For: 2.4.5, 3.0.0
>
>
> I'm not sure if it's possible to exploit, but, the following code in RESTSubmissionServer's ErrorServlet.service is a little risky as it includes user-supplied path input in the error response. We don't want to let a link determine what's in the resulting HTML.
> {code}
> val path = request.getPathInfo
> ...
> var msg =
>       parts match {
>         ...
>         case _ =>
>           // never reached
>           s"Malformed path $path."
>       }
>     msg += s" Please submit requests through http://[host]:[port]/$serverVersion/submissions/..."
>     val error = handleError(msg)
> {code}



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