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From "David Jorm (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5287) Allow at least solrconfig.xml and schema.xml to be edited via the admin screen
Date Mon, 02 Dec 2013 01:16:36 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13836170#comment-13836170
] 

David Jorm commented on SOLR-5287:
----------------------------------

Sorry for weighing in on this late in the game. I am the security response lead for Red Hat
Java middleware products, some of which include Apache Solr. I agree with the points Uwe has
made regarding this feature constituting a serious security vulnerability. From my testing
it appears that this commit is not incorporated into the Solr 4.6.0 release, so if we back
the commit out of 4.7.0, then it will have never been released. Is that correct? If so, I
think we can avoid the need to assign a CVE ID to this issue.

Powerful web-based admin capabilities such as this are always dangerous from a security perspective.
At a minimum, authentication and authorization with no default credentials should be applied
(i.e. an admin has to manually add a user, and they're aware of the security implications
of doing so).

> Allow at least solrconfig.xml and schema.xml to be edited via the admin screen
> ------------------------------------------------------------------------------
>
>                 Key: SOLR-5287
>                 URL: https://issues.apache.org/jira/browse/SOLR-5287
>             Project: Solr
>          Issue Type: Improvement
>          Components: Schema and Analysis, web gui
>    Affects Versions: 4.5, 5.0
>            Reporter: Erick Erickson
>            Assignee: Erick Erickson
>            Priority: Blocker
>             Fix For: 5.0, 4.7
>
>         Attachments: SOLR-5287.patch, SOLR-5287.patch, SOLR-5287.patch, SOLR-5287.patch,
SOLR-5287.patch
>
>
> A user asking a question on the Solr list got me to thinking about editing the main config
files from the Solr admin screen. I chatted briefly with [~steffkes] about the mechanics of
this on the browser side, he doesn't see a problem on that end. His comment is there's no
end point that'll write the file back.
> Am I missing something here or is this actually not a hard problem? I see a couple of
issues off the bat, neither of which seem troublesome.
> 1> file permissions. I'd imagine lots of installations will get file permission exceptions
if Solr tries to write the file out. Well, do a chmod/chown.
> 2> screwing up the system maliciously or not. I don't think this is an issue, this
would be part of the admin handler after all.
> Does anyone have objections to the idea? And how does this fit into the work that [~sarowe@syr.edu]
has been doing?
> I can imagine this extending to SolrCloud with a "push this to ZK" option or something
like that, perhaps not in V1 unless it's easy.....
> Of course any pointers gratefully received. Especially ones that start with "Don't waste
your effort, it'll never work (or be accepted)"...
> Because what scares me is this seems like such an easy thing to do that would be a significant
ease-of-use improvement, so there _has_ to be something I'm missing.
> So if we go forward with this we'll make this the umbrella JIRA, the two immediate sub-JIRAs
that spring to mind will be the UI work and the endpoints for the UI work to use.
> I think there are only two end-points here
> 1> list all the files in the conf (or arbitrary from <solr_home>/collection)
directory.
> 2> write this text to this file
> Possibly later we could add "clone the configs from coreX to coreY".
> BTW, I've assigned this to myself so I don't lose it, but if anyone wants to take it
over it won't hurt my feelings a bit....



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