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From "Benjamin Mahler (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-8182) Mesos endpoint handler allows for non-existent paths to resolve
Date Wed, 08 Nov 2017 00:24:00 GMT

    [ https://issues.apache.org/jira/browse/MESOS-8182?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16243150#comment-16243150
] 

Benjamin Mahler commented on MESOS-8182:
----------------------------------------

This is the design of routing in libprocess, but it probably should be updated so that endpoints
that want to handle sub-paths opt-in to this behavior.

> Mesos endpoint handler allows for non-existent paths to resolve
> ---------------------------------------------------------------
>
>                 Key: MESOS-8182
>                 URL: https://issues.apache.org/jira/browse/MESOS-8182
>             Project: Mesos
>          Issue Type: Bug
>          Components: HTTP API, libprocess
>    Affects Versions: 1.3.1, 1.4.0
>            Reporter: Andrew Shahan
>            Priority: Minor
>
> I stumbled on something interesting and I want to make sure there is not a security implication.
I can append anything to `/mesos/*/` endpoints and still have them resolve. The Mesos team
suggested that this is something that should be addressed.
> To reproduce:
> 1. Spin up a Mesos cluster, any environment is fine as this is a web UI issue.
> 2. Append `/mesos/slaves/<any string you want including /, and .>` to your Mesos
master's address in the browser and it still resolves `/mesos/slaves`. The same applies to
anything after `/mesos/state` and I would assume all the other Mesos endpoints following this
URL pattern.
> Example URLs that resolve when they probably should not:
> https://<master-ip>/mesos/state/1/2/3/4/5/6/7/8/9
> or https://<master-ip>/mesos/slaves/1/2/3/thisresolves/whenIt/should/not
> Benno Evers from the Mesos team let me know this behavior is due to this section of code
https://github.com/apache/mesos/blob/master/3rdparty/libprocess/src/process.cpp#L3953
> Thanks and let me know if you need anything else from me.



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