RHSA-2021:2517 - Security Advisory

Topic

An update is now available for Red Hat OpenShift Container Platform 3.11.

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.

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 3.11.462. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHBA-2021:2516

Space precludes documenting all of the bug fixes and enhancements in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html

All OpenShift Container Platform 3.11 users are advised to upgrade to these updated packages and images.

Security Fix(es):

• jenkins-2-plugins/config-file-provider: Does not configure its XML parser to prevent XML external entity (XXE) attacks. (CVE-2021-21642)
• jetty: local temporary directory hijacking vulnerability (CVE-2020-27216)
• jetty: buffer not correctly recycled in Gzip Request inflation (CVE-2020-27218)
• jetty: request containing multiple Accept headers with a large number of "quality" parameters may lead to DoS (CVE-2020-27223)
• jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP endpoints. (CVE-2021-21643)
• jenkins-2-plugins/config-file-provider: does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability. (CVE-2021-21644)
• jenkins-2-plugins/config-file-provider: Does not perform permission checks in several HTTP endpoints. (CVE-2021-21645)

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.

Solution

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

https://docs.openshift.com/container-platform/3.11/release_notes/ocp_3_11_release_notes.html

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.

Affected Products

• Red Hat OpenShift Container Platform 3.11 x86_64
• Red Hat OpenShift Container Platform for Power 3.11 ppc64le

Fixes

• BZ - 1891132 - CVE-2020-27216 jetty: local temporary directory hijacking vulnerability
• BZ - 1902826 - CVE-2020-27218 jetty: buffer not correctly recycled in Gzip Request inflation
• BZ - 1929718 - Update plugins and Jenkins version to prepare openshift-sync-plugin 1.0.46 release
• BZ - 1934116 - CVE-2020-27223 jetty: request containing multiple Accept headers with a large number of "quality" parameters may lead to DoS
• BZ - 1944916 - python2-requests prevents updating python-urllib3
• BZ - 1952146 - CVE-2021-21642 jenkins-2-plugins/config-file-provider: Does not configure its XML parser to prevent XML external entity (XXE) attacks.
• BZ - 1952148 - CVE-2021-21643 jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP endpoints.
• BZ - 1952151 - CVE-2021-21644 jenkins-2-plugins/config-file-provider: does not require POST requests for an HTTP endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.
• BZ - 1952152 - CVE-2021-21645 jenkins-2-plugins/config-file-provider: Does not perform permission checks in several HTTP endpoints.
• BZ - 1962884 - Update etcd to 3.2.32
• BZ - 1965827 - openshift-ansible lacks individual public certificate redeployment playbook for catalog, but 3.9 has it
• BZ - 1973109 - Fixed MAVEN _VERSION env var
• BZ - 1973123 - Add jkhelil to 3.11 OWNERS
• BZ - 1974623 - Placeholder bug for OCP 3.11.z image release

CVEs

• CVE-2020-27216
• CVE-2020-27218
• CVE-2020-27223
• CVE-2021-21642
• CVE-2021-21643
• CVE-2021-21644
• CVE-2021-21645

References

• https://access.redhat.com/security/updates/classification/#important