CVE-2018-10885

Related Vulnerabilities: CVE-2018-10885  

A malicious network-policy configuration can cause Openshift Routing to crash when using ovs-networkpolicy plugin. An attacker can use this flaw to cause a Denial of Service (DoS) attack on an Openshift 3.7 or 3.9 Cluster.

A malicious network-policy configuration can cause Openshift Routing to crash when using ovs-networkpolicy plugin. An attacker can use this flaw to cause a Denial of Service (DoS) attack on an Openshift 3.7 or 3.9 Cluster.

Find out more about CVE-2018-10885 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 6.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Impact None
Availability Impact High

Affected Packages State

Platform Package State
Red Hat OpenShift Enterprise 3 atomic-openshift Affected

Acknowledgements

Red Hat would like to thank Taichi Kageyama (NEC) for reporting this issue.

Mitigation

Use an alternative plugin such as ovs-subnet, or ovs-multitentant if delivering a multitentant service.