CVE-2016-5363

HIGH

Openstack Neutron < 7.1.0 - Security Feature Bypass

Title source: rule

Description

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 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.

References (9)

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2016:1473

[Vendor Advisory] https://access.redhat.com/errata/RHSA-2016:1474

[Issue Tracking] https://bugs.launchpad.net/neutron/+bug/1558658

[Various Sources] https://review.openstack.org/#/c/299021/

[Various Sources] https://review.openstack.org/#/c/299023/

[Various Sources] https://review.openstack.org/#/c/299025/

[Vendor Advisory] https://security.openstack.org/ossa/OSSA-2016-009.html

[Mailing List] http://www.openwall.com/lists/oss-security/2016/06/10/5

[Mailing List] http://www.openwall.com/lists/oss-security/2016/06/10/6

Scores

CVSS v3 8.2

EPSS 0.0475

EPSS Percentile 89.2%

Attack Vector NETWORK

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H

Classification

CWE

CWE-254

Status draft

Affected Products (8)

openstack/neutron

openstack/neutron

openstack/neutron

openstack/neutron

openstack/neutron

openstack/neutron

openstack/neutron

pypi/neutron < 7.1.0PyPI

Timeline

Published Jun 17, 2016

Tracked Since Feb 18, 2026