RHSA-2021:0423: Red Hat Security Advisory: OpenShift Container Platform 4.6.17 security and packages update

Red Hat OpenShift Container Platform release 4.6.17 is now available with updates to packages and images that fix several bugs. 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.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 4.6.17. See the following advisory for the container images for this release: https://access.redhat.com/errata/RHBA-2021:0424 Security Fix(es):

• jenkins: XSS vulnerability in notification bar (CVE-2021-21603)
• jenkins: Improper handling of REST API XML deserialization errors (CVE-2021-21604)
• jenkins: Path traversal vulnerability in agent names (CVE-2021-21605)
• jenkins: Stored XSS vulnerability in button labels (CVE-2021-21608)
• jenkins: Reflected XSS vulnerability in markup formatter preview (CVE-2021-21610)
• jenkins: Stored XSS vulnerability on new item page (CVE-2021-21611)
• ant: insecure temporary file vulnerability (CVE-2020-1945)
• ant: insecure temporary file (CVE-2020-11979)
• jenkins: Arbitrary file read vulnerability in workspace browsers (CVE-2021-21602)
• jenkins: Arbitrary file existence check in file fingerprints (CVE-2021-21606)
• jenkins: Excessive memory allocation in graph URLs leads to denial of service (CVE-2021-21607)
• jenkins: Filesystem traversal by privileged users (CVE-2021-21615)
• jenkins: Missing permission check for paths with specific prefix (CVE-2021-21609) 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-2020-1945: ant: insecure temporary file vulnerability
• CVE-2020-11979: ant: insecure temporary file
• CVE-2021-21602: jenkins: Arbitrary file read vulnerability in workspace browsers
• CVE-2021-21603: jenkins: XSS vulnerability in notification bar
• CVE-2021-21604: jenkins: Improper handling of REST API XML deserialization errors
• CVE-2021-21605: jenkins: Path traversal vulnerability in agent names
• CVE-2021-21606: jenkins: Arbitrary file existence check in file fingerprints
• CVE-2021-21607: jenkins: Excessive memory allocation in graph URLs leads to denial of service
• CVE-2021-21608: jenkins: Stored XSS vulnerability in button labels
• CVE-2021-21609: jenkins: Missing permission check for paths with specific prefix
• CVE-2021-21610: jenkins: Reflected XSS vulnerability in markup formatter preview
• CVE-2021-21611: jenkins: Stored XSS vulnerability on new item page
• CVE-2021-21615: jenkins: Filesystem traversal by privileged users