RHSA-2016:1473 - Security Advisory

Topic

An update for openstack-neutron is now available for Red Hat OpenStack Platform 8.0 (Liberty).

Red Hat Product Security has rated this update as having a security impact of Low. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

OpenStack Networking (neutron) 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.

Security Fix(es):

• 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. (CVE-2015-8914, CVE-2016-5362, CVE-2016-5363)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat OpenStack 8 x86_64

Fixes

• BZ - 1330778 - Deadlock occurs when we turn on syslog and forking a process
• BZ - 1345889 - CVE-2016-5362 openstack-neutron: DHCP spoofing vulnerability
• BZ - 1345891 - CVE-2016-5363 openstack-neutron: MAC source address spoofing vulnerability
• BZ - 1345892 - CVE-2015-8914 openstack-neutron: ICMPv6 source address spoofing vulnerability

CVEs

• CVE-2015-8914
• CVE-2016-5362
• CVE-2016-5363

References

• http://www.redhat.com/security/updates/classification/#normal