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Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 4.2.21 openshift/installer security update
Advisory ID: RHSA-2020:0652-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0652
Issue date: 2020-03-05
CVE Names: CVE-2019-16276
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1. Summary:

An update for ose-installer-artifacts-container and ose-installer-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.

Security Fix(es):

* golang: HTTP/1.1 headers with a space before the colon led to filter
bypass or request smuggling (CVE-2019-16276)

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 4.2.21, 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/):

1755969 – CVE-2019-16276 golang: HTTP/1.1 headers with a space before the colon leads to filter bypass or request smuggling

5. References:

https://access.redhat.com/security/cve/CVE-2019-16276
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 2020 Red Hat, Inc.
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