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Red Hat Security Advisory

Synopsis: Moderate: OpenShift Container Platform 4.1 openshift security update
Advisory ID: RHSA-2019:4087-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2019:4087
Issue date: 2019-12-17
CVE Names: CVE-2017-18367 CVE-2019-11250
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1. Summary:

An update for openshift is now available for Red Hat OpenShift Container
Platform 4.1.

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 4.1 – 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):

* libseccomp-golang: mishandling of multiple argument rules leading to a
bypass of intended access restrictions (CVE-2017-18367)

* kubernetes: Bearer tokens written to logs at high verbosity levels (>= 7)
(CVE-2019-11250)

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 4.1 see the following documentation, which
will be updated shortly for release 4.1.27, for important instructions on
how to upgrade your cluster and fully apply this asynchronous errata
update:

https://docs.openshift.com/container-platform/4.1/release_notes/ocp-4-1-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.1/updating/updating-cluster
– -cli.html.

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

1706826 – CVE-2017-18367 libseccomp-golang: mishandling of multiple argument rules leading to a bypass of intended access restrictions
1740434 – CVE-2019-11250 kubernetes: Bearer tokens written to logs at high verbosity levels (>= 7)

6. Package List:

Red Hat OpenShift Container Platform 4.1:

Source:
openshift-4.1.27-201912021146.git.0.a40116f.el7.src.rpm

x86_64:
openshift-clients-4.1.27-201912021146.git.0.a40116f.el7.x86_64.rpm
openshift-clients-redistributable-4.1.27-201912021146.git.0.a40116f.el7.x86_64.rpm
openshift-hyperkube-4.1.27-201912021146.git.0.a40116f.el7.x86_64.rpm

Red Hat OpenShift Container Platform 4.1:

Source:
openshift-4.1.27-201912021146.git.0.a40116f.el8_0.src.rpm

x86_64:
openshift-clients-4.1.27-201912021146.git.0.a40116f.el8_0.x86_64.rpm
openshift-clients-redistributable-4.1.27-201912021146.git.0.a40116f.el8_0.x86_64.rpm
openshift-hyperkube-4.1.27-201912021146.git.0.a40116f.el8_0.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-2017-18367
https://access.redhat.com/security/cve/CVE-2019-11250
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 2019 Red Hat, Inc.
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