QID 770050

Date Published: 2021-07-14

QID 770050: Red Hat OpenShift Container Platform Security and Packages Update 4.6.17 (RHSA-2021:0423)

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.

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)

Affected Products:
Red Hat OpenShift Container Platform 4.6 for RHEL 8 x86_64
Red Hat OpenShift Container Platform 4.6 for RHEL 7 x86_64
Red Hat OpenShift Container Platform for Power 4.6 for RHEL 8 ppc64le
Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.6 for RHEL 8 s390x

A successful exploitation could allow an attacker to execute an arbitrary code on the system.

  • CVSS V3 rated as High - 8 severity.
  • CVSS V2 rated as High - 6 severity.
    • Solution

    Customers are advised to upgrade to the latest patch level. Please refer to Red Hat security advisory RHSA-2021:0423 to address this issue.

    Vendor References

    CVEs related to QID 770050

    CVE-2020-1945 | CVE-2020-11979 | CVE-2021-21602 | CVE-2021-21603 | CVE-2021-21604 | CVE-2021-21605 | CVE-2021-21606 | CVE-2021-21607 | CVE-2021-21608 | CVE-2021-21609 | CVE-2021-21610 | CVE-2021-21611 | CVE-2021-21615 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:0423 Red Hat Enterprise Linux CoreOS URL Logo access.redhat.com/errata/RHSA-2021:0423?language=en
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