(RHSA-2021:4799) Important: OpenShift Container Platform 4.6.51 packages and security update

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 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.

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