4
CVSSv2

CVE-2019-10876

Published: 05/04/2019 Updated: 04/08/2021
CVSS v2 Base Score: 4 | Impact Score: 2.9 | Exploitability Score: 8
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
VMScore: 356
Vector: AV:N/AC:L/Au:S/C:P/I:N/A:N

Vulnerability Summary

An issue exists in OpenStack Neutron 11.x prior to 11.0.7, 12.x prior to 12.0.6, and 13.x prior to 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those security groups are present, because of an Open vSwitch (OVS) firewall KeyError. All Neutron deployments utilizing neutron-openvswitch-agent are affected.

Vulnerability Trend

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openstack neutron

redhat openstack 13

redhat openstack 14

Vendor Advisories

Debian Bug report logs - #926502 neutron: CVE-2019-10876: Unable to install new flows on compute nodes when having broken security group rules Package: src:neutron; Maintainer for src:neutron is Debian OpenStack <team+openstack@trackerdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Sat, 6 Ap ...
Synopsis Important: openstack-neutron security and bug fix update Type/Severity Security Advisory: Important Topic An update for openstack-neutron is now available for Red Hat OpenStack Platform 130 (Queens)Red Hat Product Security has rated this update as having a security impact of Important A Common V ...
Synopsis Important: openstack-neutron security update Type/Severity Security Advisory: Important Topic An update for openstack-neutron is now available for Red Hat OpenStack Platform 140 (Rocky)Red Hat Product Security has rated this update as having a security impact of Important A Common Vulnerability ...