Nachi Ueno (NTT PF lab), Rohit Karajgi (Vertex) and Venkatesan Ravikumar
(HP) discovered a vulnerability in Nova API nodes handling of incoming
requests. An authenticated user may craft malicious commands to affect
resources on tenants he is not a member of, potentially leading to
incorrect billing, quota escaping or compromise of computing resources
created by a third-party. Only setups allowing the OpenStack API are
We expect to have patch for our Diablo version released in F16 and EPEL,
early next week.
A CVE number is pending.
Proposed public disclosure date/time:
Wednesday, January 11, 2012, 1500UTC
Created attachment 551231 [details]
proposed upstream patch to fix the flaw
This is the minimal patch that corrects the flaw, but breaks the unit tests.
Created attachment 551232 [details]
proposed upstream patch that also fixes the unit tests
Created attachment 551233 [details]
backported patch from upstream against 2011.3
This is a backported patch provided by Jamie Strandboge, again with unit test breakage.
Created attachment 551235 [details]
preliminary backported patch from upstream against 2011.3 for unit test fixes
As the upstream stable branch maintainer, I'll be backporting the full fix and applying it to the stable branch at disclosure time. I'll make that patch available in advance
Mark, that sounds great. So Fedora will just rebase to the latest upstream stable version on disclosure?
(In reply to comment #7)
> Mark, that sounds great. So Fedora will just rebase to the latest upstream
> stable version on disclosure?
Yeah, the latest package release is actually based on the latest revision of the stable branch. So, we'll just be pulling in a single new patch.
Created attachment 551729 [details]
Here's a version of the patch which applies against our F-16 tree. This is what will be pushed to the upstream stable/diablo branch
I'll apply that tomorrow at 15:00UTC.
I also have other unrelated tweaks that need to go in the update.
This is now public:
openstack-nova-2011.3-19.el6 has been submitted as an update for EPEL6.
openstack-nova-2011.3-19.fc16 has been submitted as an update for Fedora 16: