Description
The Nova scheduler in OpenStack Compute (Nova) Folsom (2012.2) and Essex (2012.1), when DifferentHostFilter or SameHostFilter is enabled, allows remote authenticated users to cause a denial of service (excessive database lookup calls and server hang) via a request with many repeated IDs in the os:scheduler_hints section.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://www.securityfocus.com/bid/54388 ↗
- https://lists.launchpad.net/openstack/msg14452.html ↗
- https://bugs.launchpad.net/nova/+bug/1017795 ↗
- http://www.openwall.com/lists/oss-security/2012/07/11/13 ↗
- http://www.ubuntu.com/usn/USN-1501-1 ↗
- https://github.com/openstack/nova/commit/034762e8060dcf0a11cb039b9d426b0d0bb1801d ↗