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Sicherheit: Denial of Service in OpenShift
Aktuelle Meldungen Distributionen
Name: Denial of Service in OpenShift
ID: RHSA-2018:2908-01
Distribution: Red Hat
Plattformen: Red Hat OpenShift Enterprise
Datum: Di, 20. November 2018, 08:23
Referenzen: https://access.redhat.com/security/cve/CVE-2018-14632
Applikationen: OpenShift

Originalnachricht

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

Synopsis: Important: Red Hat OpenShift Container Platform 3.9 security
and bug fix update
Advisory ID: RHSA-2018:2908-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2908
Issue date: 2018-11-20
CVE Names: CVE-2018-14632
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 3.9.51 is now available with
updates to packages and images that fix several bugs.

Red Hat Product Security has rated this update as having a security impact
of Important. 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 3.9 - noarch, 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.

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 3.9.51. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHBA-2018:2907

Security Fix:

* atomic-openshift: oc patch with json causes masterapi service crash
(CVE-2018-14632)

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.

Red Hat would like to thank Lars Haugan for reporting this issue.

Bug Fixes:

* Events on `storage` in Internet Explorer 11 were triggered in the same
window tab, whereas in other browsers, the events were triggered in
duplicate tabs. This issue caused the request to time out when logging into
the console in Internet Explorer 11. This bug fix enables
`inactivityLogoutKey`, and ensures that all tabs are logged out before
timing out. As a result, Internet Explorer 11 logs out on the same
conditions as other browsers. (BZ#1607150)

* Previously, fluentd generated events internally with the `OneEventStream`
class. This class does not have the `empty?` method. The Kubernetes
metadata filter used the `empty?` method on the `EventStream` object to
avoid processing an empty stream. Fluentd issued error messages about the
missing `empty?` method, which overwhelmed container logging and caused
disk issues. This bug fix changed the Kubernetes metadata filter only to
call the `empty?` method on objects that have this method. As a result,
fluentd logs do not contain this message. (BZ#1626281)

* RubyGems FFI 1.9.25 reverted a patch which allowed it to work on systems
with `SELinux deny_execmem=1`. This reversion caused fluentd to crash. This
bug reverts the patch reversion. As a result, fluentd does not crash when
using `SELinux deny_execmem=1`. (BZ#1628371)

* The fix for BZ1628371 introduced a poorly built shared library with a
missing symbol. This missing symbol caused fluentd to crash with an
"undefined symbol: rbffi_Closure_Alloc" error message. This bug fix
rebuilds the shared library with the correct symbols. As a result, fluentd
does not crash. (BZ#1628799)

* Previously, the `json` was the default log format for an audit. This
format caused the audit log to print using JSON format. This bug fix allows
you to set the format as specified in *_master-config.yaml_*. As a result,
the audit log contains values per configured log format. (BZ#1631087)

* Previously, when using Docker with the journald log driver, all container
logs, including system and plain Docker container logs, were logged to the
journal, and read by fluentd. Fluentd did not know how to handle these
non-Kubernetes container logs and threw exceptions. This bug fix treats
non-Kubernetes container logs as logs from other system services, for
example, sending them to the .operations.* index. As a result, logs from
non-Kubernetes containers are indexed correctly and do not cause any
errors. (BZ#1632130)

All OpenShift Container Platform 3.9 users are advised to upgrade to these
updated packages and images.

4. Solution:

Before applying this update, ensure all previously released errata relevant
to your system have been applied.

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

https://docs.openshift.com/container-platform/3.9/release_notes/ocp_3_9_rel
ease_notes.html

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258.

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

1607150 - UI Timeout causing IE 11 to automatically log out
1625885 - CVE-2018-14632 atomic-openshift: oc patch with json causes masterapi
service crash
1626281 - [3.9] fluentd pods are running with error logs which makes fill up
disk very quickly.
1628371 - [3.9] Fluentd pods failed to start after an update to 3.9.41 when
deny_execmem=1 on nodes
1628799 - [3.9] Fluentd pod crashes with "undefined symbol:
rbffi_Closure_Alloc"
1629001 - openshift_hosted_manage_registry and openshift_hosted_manage_router
are not respected upon upgrade
1631087 - Cannot see basic audit log
1632130 - [3.9] Fluentd cannot handle S2I Logs
1633767 - [3.9] Storage upgrade fails on loaded HA cluster: the server
doesn't have a resource type \"clusterservicebrokers\" and ERROR: logging before flag.Parse

6. Package List:

Red Hat OpenShift Container Platform 3.9:

Source:
atomic-openshift-3.9.51-1.git.0.dc3a40b.el7.src.rpm
atomic-openshift-web-console-3.9.51-1.git.268.c379530.el7.src.rpm
fluentd-0.12.43-3.el7.src.rpm
golang-github-prometheus-node_exporter-3.9.51-1.git.1060.2055e02.el7.src.rpm
openshift-ansible-3.9.51-1.git.0.c4968ca.el7.src.rpm
openshift-elasticsearch-plugin-2.4.4.23__redhat_1-3.el7.src.rpm
rubygem-fluent-plugin-kubernetes_metadata_filter-1.0.3-2.el7.src.rpm

noarch:
atomic-openshift-docker-excluder-3.9.51-1.git.0.dc3a40b.el7.noarch.rpm
atomic-openshift-excluder-3.9.51-1.git.0.dc3a40b.el7.noarch.rpm
atomic-openshift-utils-3.9.51-1.git.0.c4968ca.el7.noarch.rpm
fluentd-doc-0.12.43-3.el7.noarch.rpm
openshift-ansible-3.9.51-1.git.0.c4968ca.el7.noarch.rpm
openshift-ansible-docs-3.9.51-1.git.0.c4968ca.el7.noarch.rpm
openshift-ansible-playbooks-3.9.51-1.git.0.c4968ca.el7.noarch.rpm
openshift-ansible-roles-3.9.51-1.git.0.c4968ca.el7.noarch.rpm
openshift-elasticsearch-plugin-2.4.4.23__redhat_1-3.el7.noarch.rpm
rubygem-fluent-plugin-kubernetes_metadata_filter-1.0.3-2.el7.noarch.rpm
rubygem-fluent-plugin-kubernetes_metadata_filter-doc-1.0.3-2.el7.noarch.rpm

x86_64:
atomic-openshift-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-clients-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-clients-redistributable-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-cluster-capacity-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-dockerregistry-3.9.51-1.git.353.7685923.el7.x86_64.rpm
atomic-openshift-federation-services-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-master-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-node-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-pod-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-sdn-ovs-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-service-catalog-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-template-service-broker-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-tests-3.9.51-1.git.0.dc3a40b.el7.x86_64.rpm
atomic-openshift-web-console-3.9.51-1.git.268.c379530.el7.x86_64.rpm
fluentd-0.12.43-3.el7.x86_64.rpm
fluentd-debuginfo-0.12.43-3.el7.x86_64.rpm
prometheus-node-exporter-3.9.51-1.git.1060.2055e02.el7.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-2018-14632
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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