Sunday, June 27, 2021

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

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

  • References
  • CVE - 2021-25736
  • RHSA-2021:2130


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