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Red Hat Security Advisory 2020-3809-01

Red Hat Security Advisory 2020-3809-01
Posted Sep 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-3809-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-8557, CVE-2020-9283
SHA-256 | 53df49b9faa7c83fd4d21fd9a99b87f6d0b04e0093c110db1ed95a75bae3b40b

Red Hat Security Advisory 2020-3809-01

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

Synopsis: Moderate: OpenShift Container Platform 4.3.38 container image security update
Advisory ID: RHSA-2020:3809-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3809
Issue date: 2020-09-23
CVE Names: CVE-2020-8557 CVE-2020-9283
====================================================================
1. Summary:

An update for openshift-enterprise-hyperkube-container and
sriov-dp-admission-controller-container is now available for Red Hat
OpenShift Container Platform 4.3.

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.org/x/crypto: Processing of crafted ssh-ed25519 public keys
allowed for panic (CVE-2020-9283)

* kubernetes: Node disk DOS by writing to container /etc/hosts
(CVE-2020-8557)

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

https://docs.openshift.com/container-platform/4.3/release_notes/ocp-4-3-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.3/updating/updating-cluster
- -cli.html.

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

1804533 - CVE-2020-9283 golang.org/x/crypto: Processing of crafted ssh-ed25519 public keys allows for panic
1835977 - CVE-2020-8557 kubernetes: Node disk DOS by writing to container /etc/hosts

5. References:

https://access.redhat.com/security/cve/CVE-2020-8557
https://access.redhat.com/security/cve/CVE-2020-9283
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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