RHSA-2023:6839 - Security Advisory

Topic

Red Hat build of MicroShift release 4.14.2 is now available with updates to
packages and images that fix several bugs and add enhancements.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 build of MicroShift is Red Hat's light-weight Kubernetes
orchestration solution designed for edge device deployments and is built
from the edge capabilities of Red Hat OpenShift. MicroShift is an
application that is deployed on top of Red Hat Enterprise Linux devices at
the edge, providing an efficient way to operate single-node clusters in
these low-resource environments.

This advisory contains the RPM packages for Red Hat build of MicroShift
4.14.2. Read the following advisory for the container images for this
release:

https://access.redhat.com/errata/RHSA-2023:6837

All of the bug fixes may not be documented in this advisory. Read the
following release notes documentation for details about these changes:

https://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.14/html/release_notes/index

Security Fix(es):

• golang: net/http, x/net/http2: rapid stream resets can cause excessive

work (CVE-2023-44487) (CVE-2023-39325)

• HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS

attack (Rapid Reset Attack) (CVE-2023-44487)

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

MicroShift 4.14.2 - RPMs

For MicroShift 4.14, read the following documentation, which will be updated shortly for this release, for important instructions on how to install the latest RPMs and fully apply this asynchronous errata update:

https://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.14/html/release_notes/index

Affected Products

• Red Hat OpenShift Container Platform 4.14 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform for ARM 64 4.14 for RHEL 9 aarch64

Fixes

• BZ - 2242803 - CVE-2023-44487 HTTP/2: Multiple HTTP/2 enabled web servers are vulnerable to a DDoS attack (Rapid Reset Attack)
• BZ - 2243296 - CVE-2023-39325 golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)
• OCPBUGS-20498 - Sos report helper to include full system journal
• OCPBUGS-22684 - Update library-go in MicroShift 4.14
• OCPBUGS-22810 - microshift-selinux rpm post scriptlet fails

CVEs

• CVE-2023-39325
• CVE-2023-44487

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/security/vulnerabilities/RHSB-2023-003