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https://issues.apache.org/jira/browse/MAPREDUCE-2743?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13442498#comment-13442498
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Daryn Sharp commented on MAPREDUCE-2743:
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On YARN-39, you mentioned reopening this jira. It's not giving me the option,
so can you please follow through?
> [MR-279] [Security] AM should not be able to abuse container tokens for
> repetitive container launches
> -----------------------------------------------------------------------------------------------------
>
> Key: MAPREDUCE-2743
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2743
> Project: Hadoop Map/Reduce
> Issue Type: Sub-task
> Components: mrv2, nodemanager, security
> Affects Versions: 0.23.0
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
> Priority: Blocker
> Fix For: 0.23.0
>
>
> ApplicationMaster should not be able to store container tokens and use the
> same set of tokens for repetitive container launches. The possibility of such
> abuse is there in the current code, we need to fix this.
> A cache of recent containers on the NM along with container token expiry time
> should solve this.
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