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

Gary Kotton gkotton at vmware.com
Mon Dec 23 14:51:32 UTC 2013


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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