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Red Hat Security Advisory 2020-2413-01

Red Hat Security Advisory 2020-2413-01
Posted Jul 13, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-2413-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. Issues addressed include denial of service and use-after-free vulnerabilities.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2019-11254, CVE-2020-8558, CVE-2020-8945
MD5 | 7a75a6ff7d32b1d58060ff3f0cf317d6

Red Hat Security Advisory 2020-2413-01

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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 4.5 package security update
Advisory ID: RHSA-2020:2413-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2413
Issue date: 2020-07-13
CVE Names: CVE-2019-11254 CVE-2020-8558 CVE-2020-8945
====================================================================
1. Summary:

An update for machine-config-daemon and openshift is now available for Red
Hat OpenShift Container Platform 4.5.

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. Relevant releases/architectures:

Red Hat OpenShift Container Platform 4.5 - x86_64

3. 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):

* kubernetes: Denial of service in API server via crafted YAML payloads by
authorized users (CVE-2019-11254)

* kubernetes: node localhost services reachable via martian packets
(CVE-2020-8558)

* proglottis/gpgme: Use-after-free in GPGME bindings during container image
pull (CVE-2020-8945)

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.

4. Solution:

For OpenShift Container Platform 4.5 see the following documentation, which
will be updated shortly for release 4.5.1, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.5/release_notes/ocp-4-5-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.5/updating/updating-cluster
- -cli.html.

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

1795838 - CVE-2020-8945 proglottis/gpgme: Use-after-free in GPGME bindings during container image pull
1819486 - CVE-2019-11254 kubernetes: Denial of service in API server via crafted YAML payloads by authorized users
1843358 - CVE-2020-8558 kubernetes: node localhost services reachable via martian packets

6. Package List:

Red Hat OpenShift Container Platform 4.5:

Source:
openshift-4.5.0-202007012112.p0.git.0.582d7fc.el7.src.rpm

x86_64:
openshift-hyperkube-4.5.0-202007012112.p0.git.0.582d7fc.el7.x86_64.rpm

Red Hat OpenShift Container Platform 4.5:

Source:
machine-config-daemon-4.5.0-202007012112.p0.git.2527.d12c3da.el8.src.rpm
openshift-4.5.0-202007012112.p0.git.0.582d7fc.el8.src.rpm

x86_64:
machine-config-daemon-4.5.0-202007012112.p0.git.2527.d12c3da.el8.x86_64.rpm
openshift-hyperkube-4.5.0-202007012112.p0.git.0.582d7fc.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2019-11254
https://access.redhat.com/security/cve/CVE-2020-8558
https://access.redhat.com/security/cve/CVE-2020-8945
https://access.redhat.com/security/updates/classification/#moderate

8. 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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