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CVE-2017-7543

Status Candidate

Overview

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.

Related Files

Red Hat Security Advisory 2017-2452-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2452-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | e332da797d136dab5f35b8a55aee5d467b8ffc2e646ac39b1bf719a5381fb561
Red Hat Security Advisory 2017-2447-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2447-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-arptables, 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | 6f49858c20fc978a17ddcb8ce3cd27ecaba0391a568aaed6ff0540f9b8a81821
Red Hat Security Advisory 2017-2449-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2449-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | 8b30f6b05789306a07e613c91c5e2667da08e978fcf6a5de1413a5956ff9591b
Red Hat Security Advisory 2017-2448-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2448-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | 1cbccfb08fa42b0999e1dd879f15005572bfbf3367c6ad68492bbb48d3bf1234
Red Hat Security Advisory 2017-2451-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2451-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | 0fd69ae991c87f5efd6f8613d49aa915ec40d810af6cc0f1ce47d023553feff2
Red Hat Security Advisory 2017-2450-01
Posted Aug 8, 2017
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2017-2450-01 - OpenStack Networking 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: A race-condition flaw was discovered in openstack-neutron 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.

tags | advisory
systems | linux, redhat
advisories | CVE-2017-7543
SHA-256 | 623056c231c64973bc7222d56464222367014397b0645b32a0f17c0e8317270e
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