RHSA-2021:2517: Red Hat Security Advisory: OpenShift Container Platform 3.11.462 bug fix and security update

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.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. Related CVEs:
• CVE-2020-27216: jetty: local temporary directory hijacking vulnerability
• CVE-2020-27218: jetty: buffer not correctly recycled in Gzip Request inflation
• CVE-2020-27223: jetty: request containing multiple Accept headers with a large number of “quality” parameters may lead to DoS
• CVE-2021-21642: jenkins-2-plugins/config-file-provider: Does not configure its XML parser to prevent XML external entity (XXE) attacks.
• CVE-2021-21643: jenkins-2-plugins/config-file-provider: Does not correctly perform permission checks in several HTTP endpoints.
• 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.
• CVE-2021-21645: jenkins-2-plugins/config-file-provider: Does not perform permission checks in several HTTP endpoints.