The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended DHCP-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via a crafted DHCP discovery message.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Neutron | Openstack | 7.0.0 (including) | 7.0.4 (excluding) |
| Neutron | Openstack | 8.0.0 (including) | 8.1.0 (including) |
| Red Hat Enterprise Linux OpenStack Platform 7.0 (Kilo) for RHEL 7 | RedHat | openstack-neutron-0:2015.1.4-2.el7ost | * |
| Red Hat OpenStack Platform 8.0 (Liberty) | RedHat | openstack-neutron-1:7.0.4-11.el7ost | * |
| Neutron | Ubuntu | trusty | * |
| Neutron | Ubuntu | wily | * |
| Neutron | Ubuntu | yakkety | * |
References
- http://www.openwall.com/lists/oss-security/2016/06/10/5
- http://www.openwall.com/lists/oss-security/2016/06/10/6
- https://access.redhat.com/errata/RHSA-2016:1473
- https://access.redhat.com/errata/RHSA-2016:1474
- https://bugs.launchpad.net/neutron/+bug/1558658
- https://review.openstack.org/#/c/300202/
- https://review.openstack.org/#/c/303563/
- https://review.openstack.org/#/c/303572/
- https://security.openstack.org/ossa/OSSA-2016-009.html
- http://www.openwall.com/lists/oss-security/2016/06/10/5
- http://www.openwall.com/lists/oss-security/2016/06/10/6
- https://access.redhat.com/errata/RHSA-2016:1473
- https://access.redhat.com/errata/RHSA-2016:1474
- https://bugs.launchpad.net/neutron/+bug/1558658
- https://review.openstack.org/#/c/300202/
- https://review.openstack.org/#/c/303563/
- https://review.openstack.org/#/c/303572/
- https://security.openstack.org/ossa/OSSA-2016-009.html