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  1. Hadoop Map/Reduce
  2. MAPREDUCE-1994

Linux task-controller determines its own path insecurely

    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 0.22.0
    • Fix Version/s: None
    • Component/s: security, task-controller
    • Labels:
      None

      Description

      The task-controller uses argv[0] to determine its own path, and then calls stat() on that. Instead it should stat("/proc/self/exe") directly. This is important since argv[0] can be spoofed to point to another program and thus either fool the autodetection of HADOOP_HOME or evade various permissions checks.

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            • Assignee:
              tlipcon Todd Lipcon
              Reporter:
              tlipcon Todd Lipcon
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              Dates

              • Created:
                Updated:
                Resolved: