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AUSCERT External Security Bulletin Redistribution
ESB-2020.0882
OpenShift Container Platform 4.2.22 runc security update
12 March 2020
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: OpenShift Container Platform 4.2.22 runc
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2019-19921
Reference: ESB-2020.0850
ESB-2020.0461
Original Bulletin:
https://access.redhat.com/errata/RHSA-2020:0688
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Red Hat Security Advisory
Synopsis: Moderate: OpenShift Container Platform 4.2.22 runc security update
Advisory ID: RHSA-2020:0688-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0688
Issue date: 2020-03-10
CVE Names: CVE-2019-19921
=====================================================================
1. Summary:
Red Hat OpenShift Container Platform release 4.2.22 is now available with
updates to packages and images that fix several bugs and add enhancements.
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 4.2 - 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):
* runc: volume mount race condition with shared mounts led to information
leak/integrity manipulation (CVE-2019-19921)
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 4.2 see the following documentation, which
will be updated shortly for release 4.2.22, 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.
5. Bugs fixed (https://bugzilla.redhat.com/):
1796107 - CVE-2019-19921 runc: volume mount race condition with shared mounts leads to information leak/integrity manipulation
6. Package List:
Red Hat OpenShift Container Platform 4.2:
Source:
runc-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.src.rpm
s390x:
runc-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.s390x.rpm
runc-debuginfo-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.s390x.rpm
runc-debugsource-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.s390x.rpm
x86_64:
runc-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.x86_64.rpm
runc-debuginfo-1.0.0-63.rc10.rhaos4.2.gitdc9208a.el8.x86_64.rpm
runc-debugsource-1.0.0-63.rc10.rhaos4.2.gitdc9208a.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-2019-19921
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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