Moderate: OpenShift Container Platform 4.1.18 security update

Synopsis

Moderate: OpenShift Container Platform 4.1.18 security update

Type/Severity

Security Advisory: Moderate

Topic

An update for golang-github-openshift-oauth-proxy-container is now available for Red Hat OpenShift Container Platform 4.1.

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):

• A flaw was found in the way the DES/3DES cipher was used as part of the TLS/SSL protocol. A man-in-the-middle attacker could use this flaw to recover some plaintext data by capturing large amounts of encrypted traffic between TLS/SSL server and client if the communication used a DES/3DES based ciphersuite. (CVE-2016-2183)

Solution

For OpenShift Container Platform 4.1 see the following documentation, which
will be updated shortly for release 4.1.18, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-release-notes.html

Affected Products

• Red Hat OpenShift Container Platform 4.1 for RHEL 7 x86_64

Fixes

• BZ - 1369383 - CVE-2016-2183 SSL/TLS: Birthday attack against 64-bit block ciphers (SWEET32)

CVEs

• CVE-2016-2183

References

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