[jira] [Created] (MESOS-8182) Mesos endpoint handler allows for non-existent paths to resolve

["Andrew Shahan (JIRA)" <ji...@apache.org>]

Andrew Shahan created MESOS-8182:
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             Summary: 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: webui
    Affects Versions: 1.4.0, 1.3.1
            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#L3966

Thanks and let me know if you need anything else from me.



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