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Red Hat OpenShift: CVE-2021-25736: kubernetes: LoadBalancer Service type don't create a HNS policy for empty or invalid external loadbalancer IP, what could lead to MITM

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Red Hat OpenShift: CVE-2021-25736: kubernetes: LoadBalancer Service type don't create a HNS policy for empty or invalid external loadbalancer IP, what could lead to MITM

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
06/24/2021
Created
06/25/2021
Added
06/24/2021
Modified
06/24/2021

Description

A flaw was found in the Windows kube-proxy component. In a cloud environment that does not set the “.status.loadBalancer.ingress.ip” field in the LoadBalancer service status configuration (for example in AWS) the packets can be misrouted and reach an unintended destination.

Solution(s)

  • linuxrpm-upgrade-openshift4-wincw-windows-machine-config-rhel8-operator

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