[Openstack-security] [OSSN][DRAFT] Disabling a tenant does not disable a user token

Bryan D. Payne bdpayne at acm.org
Fri Aug 9 15:41:25 UTC 2013


+1 to Thierry's statement.  I think a CVE makes sense here.
-bryan


On Fri, Aug 9, 2013 at 1:11 AM, Thierry Carrez <thierry at openstack.org>wrote:

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> Kurt Seifried wrote:
> > The expectation is that disabling tokens/tenants/etc locks people
> > out now, not some point in the future. Is there any specific
> > documentation covering this?
> >
> > E.g. for Python pickle the main docs for it:
> >
> > http://docs.python.org/2/library/pickle.html
> >
> > have a giant red warning at the top stating the security risk. Does
> > a similar thing exist for OpenStack tokens?
>
> I'm pretty sure it's not documented as clearly, and I agree that the
> default expectation would be that tokens are invalidated when the
> tenant is disabled. Keystone makes it difficult to "fix", because it's
> a bit baked in the design of the system, so a stronger change is
> needed to address that.
>
> It's probably fair to assign a CVE for this and cover for it in the
> OSSN, until we have a better answer to it.
>
> - --
> Thierry Carrez (ttx)
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