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https://issues.apache.org/jira/browse/HADOOP-13957?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830376#comment-15830376
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Andres Perez commented on HADOOP-13957:
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I guess you are right, was thinking more from a dev environment POV, but still
then having the directories world writable doesn't make sense.
> prevent bad PATHs
> -----------------
>
> Key: HADOOP-13957
> URL: https://issues.apache.org/jira/browse/HADOOP-13957
> Project: Hadoop Common
> Issue Type: New Feature
> Components: security
> Affects Versions: 3.0.0-alpha2
> Reporter: Allen Wittenauer
>
> Apache Hadoop daemons should fail to start if the shell PATH contains world
> writable directories or '.' (cwd). Doing so would close an attack vector on
> misconfigured systems.
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