Published: 17/06/2016 Updated: 28/11/2016

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 8.2 | Impact Score: 4.2 | Exploitability Score: 3.9

VMScore: 570

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

The IPTables firewall in OpenStack Neutron prior to 7.0.4 and 8.0.0 up to and including 8.1.0 allows remote malicious users to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.

Vulnerable Product	Search on Vulmon	Subscribe to Product
openstack neutron 7.0.0
openstack neutron 7.0.1
openstack neutron 8.1.0
openstack neutron 7.0.4
openstack neutron 8.0.0
openstack neutron 7.0.2
openstack neutron 7.0.3

Neutron functionality includes internal firewall management between networks Due to the relaxed nature of particular rules, it is possible for machines on the same layer 2 networks to forge non-IP traffic, such as ARP and DHCP requests ...

CWE-254 http://www.openwall.com/lists/oss-security/2016/06/10/6 https://security.openstack.org/ossa/OSSA-2016-009.html https://review.openstack.org/#/c/299021/https://bugs.launchpad.net/neutron/+bug/1558658 https://review.openstack.org/#/c/299023/https://review.openstack.org/#/c/299025/http://www.openwall.com/lists/oss-security/2016/06/10/5 https://access.redhat.com/errata/RHSA-2016:1474 https://access.redhat.com/errata/RHSA-2016:1473 https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2016-5363

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CVE-2016-5363

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