Red Hat Security Advisory 2014-0516-01 - OpenStack Networking is a pluggable, scalable, and API-driven system that provisions networking services to virtual machines. Its main function is to manage connectivity to and from virtual machines. As of Red Hat Enterprise Linux OpenStack Platform 4.0, 'neutron' replaces 'quantum' as the core component of OpenStack Networking. A flaw was found in the way OpenStack Networking performed authorization checks on created ports. An authenticated user could potentially use this flaw to create ports on a router belonging to a different tenant, allowing unauthorized access to the network of other tenants. Note that only OpenStack Networking setups using plug-ins that rely on the l3-agent were affected.
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