QID 770077

Date Published: 2021-09-29

QID 770077: Red Hat OpenShift Container Platform 4.3 Security Update (RHSA-2020:2443)

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):
  • containernetworking/plugins: a vulnerability in ipv4 networking implementations allowed malicious containers in kubernetes clusters to perform man-in-the-middle (mitm) attacks by redirecting traffic to the malicious container with rogue ipv6 router advertisements. (
    Cve-2020-10749)

Affected Products:

  • Red Hat openshift container platform 4.3 for rhel 8 x86_64
  • Red Hat openshift container platform 4.3 for rhel 7 x86_64
  • Red Hat openshift container platform for power 4.3 for rhel 8 ppc64le
  • Red Hat openshift container platform for power 4.3 for rhel 7 ppc64le
  • Red Hat openshift container platform for ibm z and linuxone 4.3 for rhel 8 s390x
  • Red Hat openshift container platform for ibm z and linuxone 4.3 for rhel 7 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 - 6 severity.
  • CVSS V2 rated as High - 6 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-2020:2443 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 770077

    CVE-2020-10749 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2020:2443 Red Hat Enterprise Linux CoreOS URL Logo access.redhat.com/errata/RHSA-2020:2443
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