Neutron DoS through invalid DNS configuration

CVE: CVE-2014-7821
Reporter: Henry Yamauchi, Charles Neill and Michael Xin (Rackspace)
Proposed public disclosure date/time: 2014-11-19, 1500UTC

Henry Yamauchi, Charles Neill and Michael Xin from Rackspace reported a vulnerability in Neutron. By configuring a maliciously crafted dns_nameservers an authenticated user may crash Neutron service resulting in a denial of service attack. All Neutron setups are ubuntuaffected.

Closes-rally-bug: DE1514
Not-in-upstream: true