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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.4096 OpenShift Container Platform 4.6.51 packages and security update 3 December 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: OpenShift Container Platform 4.6.51 packages Publisher: Red Hat Operating System: Red Hat Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated Modify Arbitrary Files -- Remote/Unauthenticated Denial of Service -- Remote/Unauthenticated Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2021-21698 CVE-2021-21697 CVE-2021-21696 CVE-2021-21695 CVE-2021-21694 CVE-2021-21693 CVE-2021-21692 CVE-2021-21691 CVE-2021-21690 CVE-2021-21689 CVE-2021-21688 CVE-2021-21687 CVE-2021-21686 CVE-2021-21685 Reference: ESB-2021.4060 ESB-2021.4032 Original Bulletin: https://access.redhat.com/errata/RHSA-2021:4799 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: OpenShift Container Platform 4.6.51 packages and security update Advisory ID: RHSA-2021:4799-01 Product: Red Hat OpenShift Enterprise Advisory URL: https://access.redhat.com/errata/RHSA-2021:4799 Issue date: 2021-12-02 CVE Names: CVE-2021-21685 CVE-2021-21686 CVE-2021-21687 CVE-2021-21688 CVE-2021-21689 CVE-2021-21690 CVE-2021-21691 CVE-2021-21692 CVE-2021-21693 CVE-2021-21694 CVE-2021-21695 CVE-2021-21696 CVE-2021-21697 CVE-2021-21698 ===================================================================== 1. Summary: Red Hat OpenShift Container Platform release 4.6.51 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 4.6. 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 4.6 - 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 4.6.51. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2021:4800 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 theyâ\x{128}\x{153}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. All OpenShift Container Platform 4.6 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/4.6/updating/updating-cluster-between-minor.html#understanding-upgrade-channels_updating-cluster-between-minor 4. Solution: For OpenShift Container Platform 4.6 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/4.6/release_notes/ocp-4-6-release-notes.html Details on how to access this content are available at https://docs.openshift.com/container-platform/4.6/updating/updating-cluster-cli.html 5. Bugs fixed (https://bugzilla.redhat.com/): 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 2020339 - CVE-2021-21692 jenkins: The operations FilePath#renameTo and FilePath#moveAllChildrenTo only check read permission on the source path 2020341 - CVE-2021-21693 jenkins: When creating temporary files, permission to create files is only checked after theyâ\x{128}\x{153}ve been created. 2020342 - CVE-2021-21694 jenkins: FilePath#toURI, FilePath#hasSymlink, FilePath#absolutize, FilePath#isDescendant, and FilePath#get*DiskSpace do not check any permissions 2020343 - CVE-2021-21695 jenkins: FilePath#listFiles lists files outside directories with agent read access when following symbolic links. 2020344 - CVE-2021-21696 jenkins: Agent-to-controller access control allowed writing to sensitive directory used by Pipeline: Shared Groovy Libraries Plugin 2020345 - CVE-2021-21697 jenkins: Agent-to-controller access control allows reading/writing most content of build directories 2020385 - CVE-2021-21698 jenkins-2-plugins/subversion: does not restrict the name of a file when looking up a subversion key 6. Package List: Red Hat OpenShift Container Platform 4.6: Source: openshift-4.6.0-202111100230.p0.git.6063298.assembly.stream.el7.src.rpm x86_64: openshift-hyperkube-4.6.0-202111100230.p0.git.6063298.assembly.stream.el7.x86_64.rpm Red Hat OpenShift Container Platform 4.6: Source: jenkins-2-plugins-4.6.1637602169-1.el8.src.rpm jenkins-2.303.3.1637597493-1.el8.src.rpm openshift-4.6.0-202111100230.p0.git.6063298.assembly.stream.el8.src.rpm openshift-kuryr-4.6.0-202111041131.p0.git.7c5a4f7.assembly.stream.el8.src.rpm noarch: jenkins-2-plugins-4.6.1637602169-1.el8.noarch.rpm jenkins-2.303.3.1637597493-1.el8.noarch.rpm openshift-kuryr-cni-4.6.0-202111041131.p0.git.7c5a4f7.assembly.stream.el8.noarch.rpm openshift-kuryr-common-4.6.0-202111041131.p0.git.7c5a4f7.assembly.stream.el8.noarch.rpm openshift-kuryr-controller-4.6.0-202111041131.p0.git.7c5a4f7.assembly.stream.el8.noarch.rpm python3-kuryr-kubernetes-4.6.0-202111041131.p0.git.7c5a4f7.assembly.stream.el8.noarch.rpm ppc64le: openshift-hyperkube-4.6.0-202111100230.p0.git.6063298.assembly.stream.el8.ppc64le.rpm s390x: openshift-hyperkube-4.6.0-202111100230.p0.git.6063298.assembly.stream.el8.s390x.rpm x86_64: openshift-hyperkube-4.6.0-202111100230.p0.git.6063298.assembly.stream.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-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 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. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYakvvNzjgjWX9erEAQjh+A/9FKWwooNtF3IjgMIA3XrSngqn0hSRtHWS IYHYy1rj7ZM+8+r8M4GrZKd0oR7twoek2ml3VVVCRs4AIUTggZmzIOk7/M9P1iM+ nfrqbAXWA8CvxBxU+Z8uRsafnFhdqqI/V2daB3VaLwwxeYOyrB0dOLRubme9is8C S8dtxFPYwikcuLdGtW78Vbwp7v16HO6RG0G2RTL8sfA+zpF+OaEAQ2iX2oqbL6Jk YZxWltUMLBqwcFdTPOLpYiNBc9pHLAXhEKo2dpKqv6p3iYwWAzaXckSvkyeKkBh5 Xdk0HQgzYa03qG+Z108se4jVL7UKESWUzIak1Q3HPRn68q+wTe7r18V3fIiLPGvv 6H2JtxnMnLxE/POy5Ymi6M6gBS8gFzrABPfJJzEqSpcwVu59SlshWL8RxuoeQ7z0 Z1pSrW6pgdS9CmXbD8+eJ57lPwUTnU3cTQBVycMZ9nP8IzJfgpL21SCi3EJIAH6+ p1JyvaAtGrSnVFfdvZoY17HJZgrBa1hdY1Jwfqy0eaKGb9616DFZAM1Hc+rPmak6 0KD8lMbI4exe14tTfh2Nv7LoMS7RyEV49O6N+sz8HysXXUcdXkRiKgae1uTQGN73 oYH8wO3FoTZYvywoW6bszp8VIbXBWjsxYTK4Qk0t/4FVfdemC7B+yFdALowHdga8 MDpgiFiPGv0= =Gab1 - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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