CVE-2018-17206

Impact:
Moderate
Public Date:
2018-09-25
CWE:
CWE-125
Bugzilla:
1632528: CVE-2018-17206 openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle()
An issue was discovered in Open vSwitch (OvS) 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, and 2.9.x through 2.9.2 where the decode_bundle function inside lib/ofp-actions.c is affected by a buffer over-read issue during BUNDLE action decoding. A specially crafted flow update applied using the bundling feature of Open vSwitch could potentially cause a crash leading to a denial of service.

Find out more about CVE-2018-17206 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 4.9
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required High
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Virtualization 4 openvswitch Under investigation
Red Hat OpenStack Platform 9.0 openvswitch Affected
Red Hat OpenStack Platform 8.0 (Liberty) openvswitch Affected
Red Hat OpenStack Platform 13.0 (Queens) openvswitch Affected
Red Hat OpenStack Platform 12.0 openvswitch Affected
Red Hat OpenStack Platform 10 openvswitch Affected
Red Hat OpenShift Enterprise 3.2 openvswitch Under investigation
Red Hat OpenShift Enterprise 3.10 openvswitch-enterprise-openvswitch-docker Under investigation
Red Hat OpenShift Enterprise 3.1 openvswitch Under investigation
Red Hat OpenShift Enterprise 3.0 openvswitch Under investigation
Red Hat OpenShift Container Platform 3.9 openvswitch-ovn-kubernetes Under investigation
Red Hat OpenShift Container Platform 3.4 openvswitch Under investigation
Red Hat OpenShift Container Platform 3.3 openvswitch Under investigation
Red Hat Enterprise Linux 7 openvswitch Under investigation
OpenStack 9.0 Director for RHEL 7 openvswitch-base-docker Affected
OpenStack 8.0 Director for RHEL 7 openvswitch-base-docker Affected

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