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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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Ravi Gummadi updated MAPREDUCE-181:
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Attachment: 181.20.s.3.fix.patch
Fixing an issue of change in config property name for earlier version of hadoop
on top of 181.20.s.3.patch. Not for commit here.
> Secure job submission
> ----------------------
>
> Key: MAPREDUCE-181
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-181
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Reporter: Amar Kamat
> Assignee: Devaraj Das
> Fix For: 0.22.0
>
> Attachments: 181-1.patch, 181-2.patch, 181-3.patch, 181-3.patch,
> 181-4.patch, 181-5.1.patch, 181-5.1.patch, 181-6.patch, 181-8.patch,
> 181.20.s.3.fix.patch, 181.20.s.3.patch,
> hadoop-3578-branch-20-example-2.patch, hadoop-3578-branch-20-example.patch,
> HADOOP-3578-v2.6.patch, HADOOP-3578-v2.7.patch, jobclient.patch,
> MAPRED-181-v3.32.patch, MAPRED-181-v3.8.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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