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Red Hat Security Advisory 2021-2555-01

Red Hat Security Advisory 2021-2555-01
Posted Jul 6, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-2555-01 - 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 4.7.19. Issues addressed include buffer overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, vulnerability
systems | linux, redhat
advisories | CVE-2021-25217, CVE-2021-3560
MD5 | a8159dbed5510646d51e3ed2b7674723

Red Hat Security Advisory 2021-2555-01

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

Synopsis: Important: OpenShift Container Platform 4.7.19 packages and security update
Advisory ID: RHSA-2021:2555-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2555
Issue date: 2021-07-06
CVE Names: CVE-2021-3560 CVE-2021-25217
=====================================================================

1. Summary:

Red Hat OpenShift Container Platform release 4.7.19 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.7.

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 4.7 - noarch, 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.

This advisory contains the RPM packages for Red Hat OpenShift Container
Platform 4.7.19. See the following advisory for the container images for
this release:

https://access.redhat.com/errata/RHSA-2021:2554

Security Fix(es):

* polkit: local privilege escalation using
polkit_system_bus_name_get_creds_sync() (CVE-2021-3560)

* dhcp: stack-based buffer overflow when parsing statements with
colon-separated hex digits in config or lease files in dhcpd and dhclient
(CVE-2021-25217)

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.

All OpenShift Container Platform 4.7 users are advised to upgrade to these
updated packages and images when they are available in the appropriate
release channel. To check for available updates, use the OpenShift Console
or the CLI oc command. Instructions for upgrading a cluster are available
at
https://docs.openshift.com/container-platform/4.7/updating/updating-cluster
- -between-minor.html#understanding-upgrade-channels_updating-cluster-between
- -minor

4. Solution:

For OpenShift Container Platform 4.7 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/4.7/release_notes/ocp-4-7-rel
ease-notes.html

Details on how to access this content are available at
https://docs.openshift.com/container-platform/4.7/updating/updating-cluster
- -cli.html

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

1961710 - CVE-2021-3560 polkit: local privilege escalation using polkit_system_bus_name_get_creds_sync()
1963258 - CVE-2021-25217 dhcp: stack-based buffer overflow when parsing statements with colon-separated hex digits in config or lease files in dhcpd and dhclient
1976688 - Placeholder bug for OCP 4.7.0 rpm release

6. Package List:

Red Hat OpenShift Container Platform 4.7:

Source:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el7.src.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el7.src.rpm

x86_64:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el7.x86_64.rpm
cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el7.x86_64.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el7.x86_64.rpm
openshift-clients-redistributable-4.7.0-202106252127.p0.git.8b4b094.el7.x86_64.rpm

Red Hat OpenShift Container Platform 4.7:

Source:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.src.rpm
dhcp-4.3.6-41.el8_3.1.src.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el8.src.rpm
openshift-kuryr-4.7.0-202106232224.p0.git.c7654fb.el8.src.rpm
polkit-0.115-11.el8_3.2.src.rpm

noarch:
dhcp-common-4.3.6-41.el8_3.1.noarch.rpm
openshift-kuryr-cni-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm
openshift-kuryr-common-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm
openshift-kuryr-controller-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm
python3-kuryr-kubernetes-4.7.0-202106232224.p0.git.c7654fb.el8.noarch.rpm

ppc64le:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm
cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm
cri-o-debugsource-1.20.3-6.rhaos4.7.git0d0f863.el8.ppc64le.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el8.ppc64le.rpm

s390x:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.s390x.rpm
cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el8.s390x.rpm
cri-o-debugsource-1.20.3-6.rhaos4.7.git0d0f863.el8.s390x.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el8.s390x.rpm

x86_64:
cri-o-1.20.3-6.rhaos4.7.git0d0f863.el8.x86_64.rpm
cri-o-debuginfo-1.20.3-6.rhaos4.7.git0d0f863.el8.x86_64.rpm
cri-o-debugsource-1.20.3-6.rhaos4.7.git0d0f863.el8.x86_64.rpm
dhcp-client-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-client-debuginfo-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-debuginfo-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-debugsource-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-libs-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-libs-debuginfo-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-relay-debuginfo-4.3.6-41.el8_3.1.x86_64.rpm
dhcp-server-debuginfo-4.3.6-41.el8_3.1.x86_64.rpm
openshift-clients-4.7.0-202106252127.p0.git.8b4b094.el8.x86_64.rpm
openshift-clients-redistributable-4.7.0-202106252127.p0.git.8b4b094.el8.x86_64.rpm
polkit-0.115-11.el8_3.2.x86_64.rpm
polkit-debuginfo-0.115-11.el8_3.2.x86_64.rpm
polkit-debugsource-0.115-11.el8_3.2.x86_64.rpm
polkit-libs-0.115-11.el8_3.2.x86_64.rpm
polkit-libs-debuginfo-0.115-11.el8_3.2.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-2021-3560
https://access.redhat.com/security/cve/CVE-2021-25217
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 2021 Red Hat, Inc.
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