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CVE PROGRAM SOURCE RECORD5.3 Medium

CVE-2017-7543

A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overc

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Status
Published
Published
Updated
Assigning organization
redhat

Description

A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Red Hat openstack-neutron

  • openstack-neutron-10.0.2-1.1affected
  • openstack-neutron-8.3.0-11.1affected
  • openstack-neutron-9.3.1-2.1affected
  • openstack-neutron-7.2.0-12.1affected

References