QID 770082

Date Published: 2021-11-02

QID 770082: Red Hat OpenShift Container Platform 4.8 Security Update (RHSA-2021:3820)

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: improper permission checks allow canceling queue items and aborting builds (cve-2021-21670)
  • jenkins: session fixation vulnerability (cve-2021-21671)
  • golang: net: lookup functions may return invalid host names (cve-2021-33195)
  • golang: net/http/httputil: reverseproxy forwards connection headers if first one is empty (cve-2021-33197)
  • golang: math/big.
    Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (cve-2021-33198)
  • golang: crypto/tls: certificate of wrong type is causing tls client to panic (cve-2021-34558)

Affected Products:

  • Red Hat openshift container platform 4.8 for rhel 8 x86_64
  • Red Hat openshift container platform 4.8 for rhel 7 x86_64
  • Red Hat openshift container platform for power 4.8 for rhel 8 ppc64le
  • Red Hat openshift container platform for ibm z and linuxone 4.8 for rhel 8 s390x



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:3820 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 770082

    CVE-2021-21670 | CVE-2021-21671 | CVE-2021-33195 | CVE-2021-33197 | CVE-2021-33198 | CVE-2021-34558 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:3820 Red Hat Enterprise Linux CoreOS URL Logo access.redhat.com/errata/RHSA-2021:3820
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