CVE-2018-17204

Impact:
Moderate
Public Date:
2018-09-25
CWE:
CWE-20
Bugzilla:
1632522: CVE-2018-17204 openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure
An issue was discovered in Open vSwitch (OvS), 2.4.x through 2.4.1, 2.5.x through 2.5.5, 2.6.x through 2.6.3, 2.7.x through 2.7.6, 2.8.x through 2.8.4, and2.9.x through 2.9.2, affecting the parse_group_prop_ntr_selection_method in lib/ofp-util.c. On controllers with the OpenFlow 1.5 decoder enabled, a specially crafted group update can cause an assertion failure, potentially leading to a Denial of Service condition.

Find out more about CVE-2018-17204 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

CVSS3 Base Score 2.7
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact Low

Red Hat Security Errata

Platform Errata Release Date
Red Hat OpenStack Platform 10 (openvswitch) RHSA-2019:0053 2019-01-16
Red Hat OpenStack Platform 13.0 (Queens) (openvswitch) RHSA-2019:0081 2019-01-16
Red Hat Virtualization 4 Management Agent for RHEL 7 Hosts RHSA-2018:3500 2018-11-05
Channel to provide early releases to layered products (openvswitch) RHSA-2018:3500 2018-11-05

Affected Packages State

Platform Package State
Red Hat Virtualization 4 rhvm-appliance Affected
Red Hat Virtualization 4 redhat-virtualization-host Affected
Red Hat OpenStack Platform 9.0 openvswitch Affected
Red Hat OpenStack Platform 8.0 (Liberty) openvswitch Affected
Red Hat OpenStack Platform 14.0 (Rocky) openvswitch Not affected
Red Hat OpenStack Platform 12.0 openvswitch Affected
Red Hat OpenShift Enterprise 3.2 node Not affected
Red Hat OpenShift Enterprise 3.1 node Not affected
Red Hat OpenShift Enterprise 3.0 openvswitch Not affected
Red Hat OpenShift Container Platform 3.4 node Not affected
Red Hat OpenShift Container Platform 3.3 node Not affected
OpenStack 9.0 Director for RHEL 7 openvswitch-base-docker Affected
OpenStack 8.0 Director for RHEL 7 openvswitch-base-docker Affected
Unless explicitly stated as not affected, all previous versions of packages in any minor update stream of a product listed here should be assumed vulnerable, although may not have been subject to full analysis.
Last Modified