[
https://issues.apache.org/jira/browse/MAPREDUCE-1994?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Todd Lipcon updated MAPREDUCE-1994:
-----------------------------------
Attachment: mapreduce-1994-prelim.txt
Here's a prelim patch to clean this up a bit. There's a bit more cleanup to be
done, and this hasn't been through much testing, but I'm headed on vacation
next week and I think Devaraj wanted to take this over.
> Linux task-controller determines its own path insecurely
> --------------------------------------------------------
>
> Key: MAPREDUCE-1994
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1994
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: security, task-controller
> Affects Versions: 0.22.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Critical
> Attachments: mapreduce-1994-prelim.txt
>
>
> 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.
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.
