CVE-2015-5240 Information

Description

Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2 when using the ML2 plugin or the security groups AMQP API allows remote authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before the security group rules are applied.

Reference

http://rhn.redhat.com/errata/RHSA-2015-1909.html http://www.openwall.com/lists/oss-security/2015/09/08/9 https://bugs.launchpad.net/neutron/+bug/1489111 https://bugzilla.redhat.com/show_bug.cgi?id=1258458 https://security.openstack.org/ossa/OSSA-2015-018.html