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From "Botong Huang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (YARN-5836) Malicious AM can kill containers of other apps running in any node its containers are running
Date Tue, 15 Nov 2016 23:10:58 GMT

     [ https://issues.apache.org/jira/browse/YARN-5836?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Botong Huang updated YARN-5836:
-------------------------------
    Attachment: YARN-5836.v2.patch

> Malicious AM can kill containers of other apps running in any node its containers are
running
> ---------------------------------------------------------------------------------------------
>
>                 Key: YARN-5836
>                 URL: https://issues.apache.org/jira/browse/YARN-5836
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>            Reporter: Botong Huang
>            Assignee: Botong Huang
>            Priority: Minor
>         Attachments: YARN-5836.v1.patch, YARN-5836.v2.patch
>
>   Original Estimate: 5h
>  Remaining Estimate: 5h
>
> When AM calls NM via {{ContainerManagementProtocol}}, the NMToken is suppied for authentication.
The RPC server will verify the password of NMToken (originally generated by RM) so that we
know the content of NMTokenIdentifier is geniune. 
> Next, for {{stopContainers()}} and {{getContainerStatus()}}, method {{authorizeGetAndStopContainerRequest()}}
is used to verify that the requsted containers do belong to the AM by comparing them against
the AppId in NMTokenIdentifier. However, right now when the appId doesn't match, {{authorizeGetAndStopContainerRequest()}}
only log a warning message and continues to kill the container... Overall a malicious AM can
kill containers of other apps running in any node its containers are running. 



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