Moderate: OpenShift Container Platform 4.3.38 container image security update

Synopsis

Moderate: OpenShift Container Platform 4.3.38 container image security update

Type/Severity

Security Advisory: Moderate

Topic

An update for openshift-enterprise-hyperkube-container and sriov-dp-admission-controller-container is now available for Red Hat OpenShift Container Platform 4.3.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Red Hat OpenShift Container Platform is Red Hat's cloud computing
Kubernetes application platform solution designed for on-premise or private
cloud deployments.

Security Fix(es):

• golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allowed for panic (CVE-2020-9283)
  
• kubernetes: Node disk DOS by writing to container /etc/hosts (CVE-2020-8557)
  

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Solution

For OpenShift Container Platform 4.3 see the following documentation, which
will be updated shortly for this release, for important instructions on how
to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-release-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.3/updating/updating-cluster-cli.html.

Affected Products

• Red Hat OpenShift Container Platform 4.3 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform 4.3 for RHEL 7 x86_64
• Red Hat OpenShift Container Platform for Power 4.3 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for Power 4.3 for RHEL 7 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.3 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.3 for RHEL 7 s390x

Fixes

• BZ - 1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic
• BZ - 1835977 - CVE-2020-8557 kubernetes: Node disk DOS by writing to container /etc/hosts

CVEs

• CVE-2020-8557
• CVE-2020-9283

References

• https://access.redhat.com/security/updates/classification/#moderate