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AUSCERT External Security Bulletin Redistribution
ESB-2020.2997
OpenShift Container Platform 4.4 security updates
2 September 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: Red Hat OpenShift Container Platform 4.4
Publisher: Red Hat
Operating System: Red Hat Enterprise Linux Server 7
Red Hat Enterprise Linux Server 8
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-8557
Reference: ESB-2020.2897
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:3579
https://access.redhat.com/errata/RHSA-2020:3580
Comment: This bulletin contains two (2) Red Hat security advisories.
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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.4.19 openshift security update
Advisory ID: RHSA-2020:3579-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3579
Issue date: 2020-09-01
CVE Names: CVE-2020-8557
=====================================================================
1. Summary:
An update for openshift is now available for Red Hat OpenShift Container
Platform 4.4.
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 4.4 - ppc64le, s390x, 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: 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.
4. Solution:
For OpenShift Container Platform 4.4 see the following documentation, which
will be updated shortly for release 4.4.19, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:
https://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-rel
ease-notes.html
Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.4/updating/updating-cluster
- - -cli.html.
5. Bugs fixed (https://bugzilla.redhat.com/):
1835977 - CVE-2020-8557 kubernetes: Node disk DOS by writing to container /etc/hosts
6. Package List:
Red Hat OpenShift Container Platform 4.4:
Source:
openshift-4.4.0-202008250319.p0.git.0.d653415.el7.src.rpm
ppc64le:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.el7.ppc64le.rpm
s390x:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.el7.s390x.rpm
x86_64:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.el7.x86_64.rpm
Red Hat OpenShift Container Platform 4.4:
Source:
openshift-4.4.0-202008250319.p0.git.0.d653415.el8.src.rpm
ppc64le:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.el8.ppc64le.rpm
s390x:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.el8.s390x.rpm
x86_64:
openshift-hyperkube-4.4.0-202008250319.p0.git.0.d653415.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-2020-8557
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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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.4.19 openshift-enterprise-hyperkube-container security update
Advisory ID: RHSA-2020:3580-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3580
Issue date: 2020-09-01
CVE Names: CVE-2020-8557
=====================================================================
1. Summary:
An update for openshift-enterprise-hyperkube-container is now available for
Red Hat OpenShift Container Platform 4.4.
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):
* 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 4.4 see the following documentation, which
will be updated shortly for release 4.4.19, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:
https://docs.openshift.com/container-platform/4.4/release_notes/ocp-4-4-rel
ease-notes.html
Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.4/updating/updating-cluster
- - -cli.html.
4. Bugs fixed (https://bugzilla.redhat.com/):
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/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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