[Openstack] Security Breach! Tenant A is seeing the VNC Consoles of Tenant B!

Martinx - ジェームズ thiagocmartinsc at gmail.com
Mon Dec 23 19:42:40 UTC 2013


I'm using Havana + Ubuntu 12.04.3 + KVM.


On 23 December 2013 12:51, Gary Kotton <gkotton at vmware.com> wrote:

> Hi,
> Which driver are you using? For the Vmware driver we found an edge case
> where this may happen - please see
> https://bugs.launchpad.net/nova/+bug/1255609 and the fix for this is
> (https://review.openstack.org/#/c/58994/).
> Thanks
> Gary
>
>
> On 12/23/13 3:16 PM, "Jay Pipes" <jaypipes at gmail.com> wrote:
>
> >On 12/22/2013 12:37 PM, Martinx - ジェームズ wrote:
> >> Stackers!
> >>
> >> I need a bit help here...
> >>
> >> My OpenStack Havana (Ubuntu 12.04.3) was working smoothly and, I don't
> >> know what had happened here but, now, I'm seeing some weird problems.
> >>
> >> Right now, the "Tenant A" is seeing the VNC Consoles of "Tenant B" !!!
> >>
> >> How is that even possible?! There is no authentication here to deal with
> >> this kind of things!? I'm really worried about this.
> >>
> >> Look:
> >>
> >> "Tenant A" Instances:
> >>
> >> Inline images 1
> >>
> >>
> >> "Tenant A" accessing the VNC Console of a "Tenant B" Instance!!!
> >>
> >> Inline images 2
> >>
> >>
> >> This is a very serious problem, since I'm giving to the "Tenant A",
> >> almost total access to "Tenant B" Instances!! This kind of situation
> >> should NEVER occur!
> >>
> >> What can I do to completely block this?
> >>
> >> I just started a new Instance for "Tenant A", and I'm seeing ANOTHER VNC
> >> Console from "Tenant B"!!
> >
> >Thiago, yes, this is indeed a major security breach. If you have not
> >already, please create a bug in Launchpad with your image attachments
> >and a description to reproduce the bug if you can. Please mark the bug
> >as a security/private bug.
> >
> >Thank you!
> >-jay
> >
> >
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