RedHat: RHSA-2021-4799:05 Important: OpenShift Container Platform 4.6.51
Summary
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
Summary
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
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 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/
Topic
Red Hat OpenShift Container Platform release 4.6.51 is now available withupdates to packages and images that fix several bugs and add enhancements.This release includes a security update for Red Hat OpenShift ContainerPlatform 4.6.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.
Topic
Relevant Releases Architectures
Red Hat OpenShift Container Platform 4.6 - noarch, ppc64le, s390x, x86_64
Bugs Fixed
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 they’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
