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OpenAdvisories
High ELSA-2018-4061 2 CVEs

Important: kubernetes security update (Oracle Linux 7)

Published Apr 5, 2018 · Updated Apr 5, 2018

Summary

[1.9.1-2.1.5]
- Production built 1.9.1-2.1.5
- Fix the upgrade version check
- Remove w/a from [Orabug 27125915]

[1.9.1-2.1.4.dev]
- Make sure worker node upgrade properly
- [Orabug 27649898]

[1.9.1-2.1.3.dev]
- Ensure that the runtime mounts RO volumes read-only [CVE-2017-1002102]
- Update Dashboard version to v1.8.3 [CVE-2017-1002102]
- Fix nested volume mounts for read-only API data volumes [CVE-2017-1002102]
- Fixed kubeadm-setup.sh and kubeadm-registry.sh
- Add feature gate for subpath [CVE-2017-1002101]
- Add subpath e2e tests [CVE-2017-1002101]
- Lock subPath volumes [CVE-2017-1002101]

Fixed packages 3

ReleasePackageFixed in
Oracle Linux · 7 kubeadm 0:1.9.1-2.1.5.el7
Oracle Linux · 7 kubectl 0:1.9.1-2.1.5.el7
Oracle Linux · 7 kubelet 0:1.9.1-2.1.5.el7

Vulnerabilities 2

  • High 8.8
    CVE-2017-1002101 Public exploit EPSS 13%

    In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using subpat…

  • High 7.1

    Kubernetes arbitrary file overwrite

    In Kubernetes versions 1.3.x, 1.4.x, 1.5.x, 1.6.x and prior to versions 1.7.14, 1.8.9 and 1.9.4 containers using a secret, configMap, projected or downwardAPI volume can trigger deletion of arbitrary files/directories from the nodes where they are running.