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Message-ID: <5226FF5A.5020801@LINworks.de>
Date: Wed, 04 Sep 2013 11:37:30 +0200
From: Jochen Bern <Jochen.Bern@...works.de>
To: Nagios Developers List <nagios-devel@...ts.sourceforge.net>
Cc: Andreas Ericsson <ae@....se>, oss-security@...ts.openwall.com,
Vincent Danen <vdanen@...hat.com>, contribute@...ios.org,
Kurt Seifried <kseifried@...hat.com>
Subject: Re: [Nagios-devel] Security bug or feature? Servicegroups
leak hostnames to unauthorized users (Was: CVE request: unauthorized
host/service views displayed in servicegroup view)
On 04.09.2013 11:03, Andreas Ericsson wrote:
> On 2013-09-04 10:31, Jonas Meurer wrote:
>> The indisputable part of this change is, that users are allowed to see
>> hostgroups and servicegroups with at least one authorized host or
>> service. Unclear is, whether this means "group and all its group
>> members", or "group and only authorized group members".
>
> It should mean "group and only authorized group members, except also
> hosts for services where one is authorized to see the service".
[...]
> Well, it *was* by design, but now I'm changing the design. It's a good
> time for it, since 4.0 is about to come out. I think the security teams
> can move on and we'll consider this "changed" rather than "fixed" for
> 4.0, where we do some security tightening.
Since you do seem to be willing to ponder the system of access rights
and its security implications: I haven't checked the 4.x prereleases
yet, does being authorized to see a host's information still necessarily
provide access to *all* services on it?
In the "customers accessing provider's Nagios" scenario, I suppose that
the customer might be interested in seeing "application is running" but
not, say, "the snmpd that ties this machine to the provider's NMS is
acting up" ...
Regards,
J. Bern
--
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