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Posted to mapreduce-dev@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2010/08/03 04:24:17 UTC

[jira] Created: (MAPREDUCE-1991) taskcontroller allows stealing permissions on any local file

taskcontroller allows stealing permissions on any local file
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                 Key: MAPREDUCE-1991
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1991
             Project: Hadoop Map/Reduce
          Issue Type: Bug
          Components: task-controller
    Affects Versions: 0.21.0, 0.22.0
            Reporter: Todd Lipcon
            Priority: Blocker


The linux task-controller setuid binary allows a malicious user to chmod any file on the system to 644 (and as a side effect appends some junk to the end)

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