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Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 4.2 library-go security update
Advisory ID: RHSA-2019:4075-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4075
Issue date: 2019-12-03
CVE Names: CVE-2019-14854
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1. Summary:

An update for ose-cluster-kube-apiserver-operator-container and
ose-cluster-kube-scheduler-operator-container is now available for Red Hat
OpenShift Container Platform 4.2.

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.

2. 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 ose-cluster-kube-apiserver-operator-container
and ose-cluster-kube-scheduler-operator-container images for Red Hat
OpenShift Container Platform 4.2.9. These images have been rebuilt with an
updated version of openshift/library-go to address the below security
issue.

Security Fix(es):

* OpenShift Container Platform 4 did not sanitize secret data written to
static Pod logs when an Operator’s log level was set to Debug or higher. A
low privileged user could read Pod logs to discover secret material if the
log level had already been modified in an Operator by a privileged user.
(CVE-2019-14854)

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.

3. Solution:

For OpenShift Container Platform 4.2 see the following documentation, which
will be updated shortly for release 4.2.9, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.2/release_notes/ocp-4-2-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.2/updating/updating-cluster
– -cli.html.

4. Bugs fixed (https://bugzilla.redhat.com/):

1758953 – CVE-2019-14854 library-go: Secret data written to static pod logs when operator set at Debug level or higher

5. References:

https://access.redhat.com/security/cve/CVE-2019-14854
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2019 Red Hat, Inc.
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