Issued:
2021-02-24
Updated:
2021-02-24

RHSA-2020:5633 - Moderate: OpenShift Container Platform 4.7.0 security, bug fix, and enhancement update

Synopsis

Moderate: OpenShift Container Platform 4.7.0 security, bug fix, and enhancement update

Type/Severity

Security Advisory Moderate

Topic

Red Hat OpenShift Container Platform release 4.7.0 is now available.

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.

This advisory contains the container images for Red Hat OpenShift Container Platform 4.7.0. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHSA-2020:5634

Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:

https://docs.openshift.com/container-platform/4.7/release_notes/ocp-4-7-release-notes.html

You may download the oc tool and use it to inspect release image metadata as follows:

(For x86_64 architecture)

$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.7.0-x86_64

The image digest is sha256:d74b1cfa81f8c9cc23336aee72d8ae9c9905e62c4874b071317a078c316f8a70

(For s390x architecture)

$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.7.0-s390x

The image digest is sha256:a68ca03d87496ddfea0ac26b82af77231583a58a7836b95de85efe5e390ad45d

(For ppc64le architecture)

$ oc adm release info quay.io/openshift-release-dev/ocp-release:4.7.0-ppc64le

The image digest is sha256:bc7b04e038c8ff3a33b827f4ee19aa79b26e14c359a7dcc1ced9f3b58e5f1ac6

All OpenShift Container Platform 4.7 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.7/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor.

Security Fix(es):

  • crewjam/saml: authentication bypass in saml authentication (CVE-2020-27846)

  • golang: crypto/ssh: crafted authentication request can lead to nil pointer dereference (CVE-2020-29652)

  • gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)

  • nodejs-y18n: prototype pollution vulnerability (CVE-2020-7774)

  • kubernetes: Secret leaks in kube-controller-manager when using vSphere Provider (CVE-2020-8563)

  • containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters (CVE-2020-10749)

  • heketi: gluster-block volume password details available in logs (CVE-2020-10763)

  • golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash (CVE-2020-14040)

  • jwt-go: access restriction bypass vulnerability (CVE-2020-26160)

  • golang-github-gorilla-websocket: integer overflow leads to denial of service (CVE-2020-27813)

  • golang: math/big: panic during recursive division of very large numbers (CVE-2020-28362)

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 4.7, 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/4.7/release_notes/ocp-4-7-release-notes.html

Details on how to access this content are available at This page is not included, but the link has been rewritten to point to the nearest parent document.https://docs.openshift.com/container-platform/4.7/updating/updating-cluster-cli.html.

Affected Products

ProductVersionArch
Red Hat OpenShift Container Platform4.7x86_64
Red Hat OpenShift Container Platform for Power4.7ppc64le
Red Hat OpenShift Container Platform for IBM Z and LinuxONE4.7s390x

Fixes

CVEs

References

Additional information