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OpenShift 3.11.569 RHSA-2021:4827 Important Security Update

red hat
Calendar Grey December 2, 2021
Dist Redhat Esm H88
Canonical unveils critical patches for Ubuntu Server 20.04.2 tackling multiple vulnerabilities.
Red Hat OpenShift Container Platform release 3.11.569 is now available with updates to packages and images that fix several bugs and add enhancements

Solution

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

See the following documentation, which will be updated shortly for release 3.11.569, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/3.11/html/release_notes/release-notes-ocp-3-11-release-notes

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.

Summary

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):
* jenkins-2-plugins/subversion: does not restrict the name of a file when looking up a subversion key (CVE-2021-21698) * jenkins: FilePath#mkdirs does not check permission to create parent directories (CVE-2021-21685) * jenkins: File path filters do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories (CVE-2021-21686) * jenkins: FilePath#untar does not check permission to create symbolic links when unarchiving a symbolic link (CVE-2021-21687) * jenkins: FilePath#reading(FileVisitor) does not reject any operations allowing users to have unrestricted read access (CVE-2021-21688) * jenkins: FilePath#unzip and FilePath#untar were not subject to any access control (CVE-2021-21689) * jenkins: Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path (CVE-2021-21690) * jenkins: Creating symbolic links is possible without the symlink permission (CVE-2021-21691) * jenkins: The operations FilePath#renameTo and FilePath#moveAllChildrenTo only check read permission on the source path (CVE-2021-21692) * jenkins: When creating temporary files, permission to create files is only checked after they’ve been created. (CVE-2021-21693) * jenkins: FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*DiskSpace do not check any permissions (CVE-2021-21694) * jenkins: FilePath#listFiles lists files outside directories with agent read access when following symbolic links. (CVE-2021-21695) * jenkins: Agent-to-controller access control allowed writing to sensitive directory used by Pipeline: Shared Groovy Libraries Plugin (CVE-2021-21696) * jenkins: Agent-to-controller access control allows reading/writing most content of build directories (CVE-2021-21697)
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.

Topics%20covered

Topics Covered

security advisory security update important cloud security jenkins openshift container platform

References

https://access.redhat.com/security/cve/CVE-2021-21685 https://access.redhat.com/security/cve/CVE-2021-21686 https://access.redhat.com/security/cve/CVE-2021-21687 https://access.redhat.com/security/cve/CVE-2021-21688 https://access.redhat.com/security/cve/CVE-2021-21689 https://access.redhat.com/security/cve/CVE-2021-21690 https://access.redhat.com/security/cve/CVE-2021-21691 https://access.redhat.com/security/cve/CVE-2021-21692 https://access.redhat.com/security/cve/CVE-2021-21693 https://access.redhat.com/security/cve/CVE-2021-21694 https://access.redhat.com/security/cve/CVE-2021-21695 https://access.redhat.com/security/cve/CVE-2021-21696 https://access.redhat.com/security/cve/CVE-2021-21697 https://access.redhat.com/security/cve/CVE-2021-21698 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat OpenShift Container Platform 3.11:
Source: atomic-enterprise-service-catalog-3.11.569-1.g2e6be86.el7.src.rpm atomic-openshift-3.11.569-1.git.0.9dc951a.el7.src.rpm atomic-openshift-cluster-autoscaler-3.11.569-1.g99b2acf.el7.src.rpm atomic-openshift-descheduler-3.11.569-1.gd435537.el7.src.rpm atomic-openshift-dockerregistry-3.11.569-1.g3571208.el7.src.rpm atomic-openshift-metrics-server-3.11.569-1.gf8bf728.el7.src.rpm atomic-openshift-node-problem-detector-3.11.569-1.gc8f26da.el7.src.rpm atomic-openshift-service-idler-3.11.569-1.g39cfc66.el7.src.rpm atomic-openshift-web-console-3.11.569-1.g3e485e6.el7.src.rpm golang-github-openshift-oauth-proxy-3.11.569-1.gedebe84.el7.src.rpm golang-github-prometheus-alertmanager-3.11.569-1.g13de638.el7.src.rpm golang-github-prometheus-node_exporter-3.11.569-1.g609cd20.el7.src.rpm golang-github-prometheus-prometheus-3.11.569-1.g99aae51.el7.src.rpm jenkins-2-plugins-3.11.1637699107-1.el7.src.rpm jenkins-2.303.3.1637698110-1.el7.src.rpm openshift-ansible-3.11.569-1.git.0.9620ba1.el7.src.rpm openshift-enterprise-autoheal-3.11.569-1.gf2f435d.el7.src.rpm openshift-enterprise-cluster-capacity-3.11.569-1.g22be164.el7.src.rpm openshift-kuryr-3.11.569-1.g0c4bf66.el7.src.rpm
noarch:

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4827-01
Product: Red Hat OpenShift Enterprise
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4827
Issue date: 2021-12-02

Topic

Red Hat OpenShift Container Platform release 3.11.569 is now available withupdates to packages and images that fix several bugs and add enhancements.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update important cloud security jenkins openshift container platform

Relevant Releases Architectures

Red Hat OpenShift Container Platform 3.11 - noarch, ppc64le, x86_64

Bugs Fixed

1920894 - python2-urllib3: update 1.24.3 -> 1.26.2 for OCP breaks cloud-init ("Unable to get API token: None/latest/api/token")

2002671 - [3.11 backport] Improve logging-dump.sh (backport of LOG-1733)

2002909 - [Kuryr][3.11] dont block kuryr if one subnet runs out of IPs

2003491 - [Kuryr][3.11] Loadbalancer listener disappearing for an OpenShift services managed by Kuryr

2013496 - Kuryr-cni hitting >1024 pid and crashing

2016467 - openshift-pipeline plugin gone missing in jenkins-2-rhel7:v3.11.462-3.git.10eb612 and newer

2020322 - CVE-2021-21685 jenkins: FilePath#mkdirs does not check permission to create parent directories

2020323 - CVE-2021-21686 jenkins: File path filters do not canonicalize paths, allowing operations to follow symbolic links to outside allowed directories

2020324 - CVE-2021-21687 jenkins: FilePath#untar does not check permission to create symbolic links when unarchiving a symbolic link

2020327 - CVE-2021-21688 jenkins: FilePath#reading(FileVisitor) does not reject any operations allowing users to have unrestricted read access

2020335 - CVE-2021-21689 jenkins: FilePath#unzip and FilePath#untar were not subject to any access control

2020336 - CVE-2021-21690 jenkins: Agent processes are able to completely bypass file path filtering by wrapping the file operation in an agent file path

2020338 - CVE-2021-21691 jenkins: Creating symbolic links is possible without the symlink permission

Read the Full Advisory

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