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https://issues.apache.org/jira/browse/MAPREDUCE-181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amar Kamat updated MAPREDUCE-181:
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Summary: Secure job submission (was: mapred.system.dir should be
accessible only to hadoop daemons )
> Secure job submission
> ----------------------
>
> Key: MAPREDUCE-181
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-181
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Amar Kamat
> Assignee: Amar Kamat
> Attachments: hadoop-3578-branch-20-example-2.patch,
> hadoop-3578-branch-20-example.patch, HADOOP-3578-v2.6.patch,
> HADOOP-3578-v2.7.patch
>
>
> Currently the jobclient accesses the {{mapred.system.dir}} to add job
> details. Hence the {{mapred.system.dir}} has the permissions of
> {{rwx-wx-wx}}. This could be a security loophole where the job files might
> get overwritten/tampered after the job submission.
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