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RHEL 7 : OpenShift Container Platform 3.11.374 (RHSA-2021:0079)

medium Nessus Plugin ID 145229

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Synopsis

The remote Red Hat host is missing one or more security updates for OpenShift Container Platform 3.11.374.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0079 advisory.

 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 3.11.374. See the following advisory for the container images for this release:

 https://access.redhat.com/errata/RHBA-2021:0080

 Security Fix(es):

 * golang.org/x/crypto: Keystream loop in amd64 assembly when overflowing 32-bit counter (CVE-2019-11840)

 * kubernetes: MITM using LoadBalancer or ExternalIPs (CVE-2020-8554)

 * python-urllib3: CRLF injection via HTTP request method (CVE-2020-26137)

 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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL OpenShift Container Platform 3.11.374 package based on the guidance in RHSA-2021:0079.

See Also

http://www.nessus.org/u?70f27d52

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2021:0079

https://bugzilla.redhat.com/show_bug.cgi?id=1691529

https://bugzilla.redhat.com/show_bug.cgi?id=1866789

https://bugzilla.redhat.com/show_bug.cgi?id=1870050

https://bugzilla.redhat.com/show_bug.cgi?id=1881319

https://bugzilla.redhat.com/show_bug.cgi?id=1883632

https://bugzilla.redhat.com/show_bug.cgi?id=1891051

Plugin Details

Severity: Medium

ID: 145229

File Name: redhat-RHSA-2021-0079.nasl

Version: 1.15

Type: local

Agent: unix

Published: 1/20/2021

Updated: 9/10/2025

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2020-26137

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:golang-github-prometheus-alertmanager, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hypershift, p-cpe:/a:redhat:enterprise_linux:python2-urllib3, p-cpe:/a:redhat:enterprise_linux:openshift-enterprise-autoheal, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-sdn-ovs, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-web-console, p-cpe:/a:redhat:enterprise_linux:atomic-enterprise-service-catalog-svcat, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-cluster-autoscaler, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-template-service-broker, p-cpe:/a:redhat:enterprise_linux:prometheus, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients, p-cpe:/a:redhat:enterprise_linux:openshift-enterprise-cluster-capacity, p-cpe:/a:redhat:enterprise_linux:atomic-enterprise-service-catalog, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node-problem-detector, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-metrics-server, p-cpe:/a:redhat:enterprise_linux:prometheus-alertmanager, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-dockerregistry, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-docker-excluder, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:golang-github-prometheus-prometheus, p-cpe:/a:redhat:enterprise_linux:prometheus-node-exporter, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-master, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:python-urllib3, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-pod, p-cpe:/a:redhat:enterprise_linux:golang-github-openshift-oauth-proxy, p-cpe:/a:redhat:enterprise_linux:golang-github-prometheus-node_exporter, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-node, p-cpe:/a:redhat:enterprise_linux:atomic-openshift, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-descheduler, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-tests, p-cpe:/a:redhat:enterprise_linux:atomic-openshift-service-idler

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 1/20/2021

Vulnerability Publication Date: 5/9/2019

Reference Information

CVE: CVE-2019-11840, CVE-2020-26137, CVE-2020-8554

CWE: 113, 200, 330

RHSA: 2021:0079