RHSA-2021:0079 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 3.11.374 is now available with updates to packages and images that fix several bugs.

This release also includes a security update for Red Hat OpenShift Container Platform 3.11.

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 RPM packages for Red Hat OpenShift Container
Platform 3.11.374. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2021:0080

Security Fix(es):

• golang.org/x/crypto: Keystream loop in amd64 assembly when overflowing 32-bit counter (CVE-2019-11840)
• kubernetes: MITM using LoadBalancer or ExternalIPs (CVE-2020-8554)
• python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

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

See the following documentation, which will be updated shortly for release
3.11.374, for important instructions on how to upgrade your cluster and fully
apply this asynchronous errata update:

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258.

Affected Products

• Red Hat OpenShift Container Platform 3.11 x86_64
• Red Hat OpenShift Container Platform for Power 3.11 ppc64le

Fixes

• BZ - 1691529 - CVE-2019-11840 golang.org/x/crypto: Keystream loop in amd64 assembly when overflowing 32-bit counter
• BZ - 1866789 - remove use of upstream client plugin pipeline from openshift build e2e
• BZ - 1870050 - Image garbage collection is not cleaning up dangling images
• BZ - 1881319 - [3.11] service cannot be working for a while if the pod is running before the service is created
• BZ - 1883632 - CVE-2020-26137 python-urllib3: CRLF injection via HTTP request method
• BZ - 1891051 - CVE-2020-8554 kubernetes: MITM using LoadBalancer or ExternalIPs

CVEs

• CVE-2019-11840
• CVE-2020-8554
• CVE-2020-26137

References

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