Red Hat Security Advisory: OpenShift Container Platform 3.10 atomic-openshift security update

Fixed packages 13

Vulnerabilities 3

• High 7.5
  CVE-2019-11253 Scanner template EPSS 26%

  Kubernetes API Server JSON/YAML parsing vulnerable to resource exhaustion attack

  Improper input validation in the Kubernetes API server in versions v1.0-1.12 and versions prior to v1.13.12, v1.14.8, v1.15.5, and v1.16.2 allows authorized users to send malicious YAML or JSON payloads, causing the API server to consume excessive CPU or memo…

  Kubernetes Kubernetes k8s.io/kubernetes kubernetes Debian Alpine Go
  Oct 17, 2019
• Medium 6.5
  CVE-2019-1002100 EPSS 17%

  Kubernetes DoS Vulnerability

  In all Kubernetes versions prior to v1.11.8, v1.12.6, and v1.13.4, users that are authorized to make patch requests to the Kubernetes API Server can send a specially crafted patch of type "json-patch" (e.g. `kubectl patch --type json` or `"Content-Type: appli…

  Kubernetes Kubernetes k8s.io/kubernetes kubernetes Debian Go
  Apr 1, 2019
• Medium 4.8
  CVE-2019-11249

  kubectl cp allows symlink directory traversal

  The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes runs tar inside the container to create a tar archive, copies it over the network, and kubectl unpacks it on the user’s machine. If…

  Kubernetes Kubernetes k3s Alpine
  Aug 29, 2019

References

• article
  https://access.redhat.com/security/updates/classification/#important
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1683190
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1737651
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=1757701
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_3239.json
• report
  https://access.redhat.com/security/cve/CVE-2019-11249
• advisory
  https://www.cve.org/CVERecord?id=CVE-2019-11249
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2019-11249
• article
  https://groups.google.com/forum/#!topic/kubernetes-security-discuss/Vf31dXp0EJc
• report
  https://access.redhat.com/security/cve/CVE-2019-11253
• advisory
  https://www.cve.org/CVERecord?id=CVE-2019-11253
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2019-11253
• article
  https://www.stackrox.com/post/2019/09/protecting-kubernetes-api-against-cve-2019-11253-billion-laughs-attack/
• report
  https://access.redhat.com/security/cve/CVE-2019-1002100
• advisory
  https://www.cve.org/CVERecord?id=CVE-2019-1002100
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2019-1002100
• article
  https://groups.google.com/forum/#!topic/kubernetes-announce/vmUUNkYfG9g