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CVE-2021-20198

Status Candidate

Overview

A flaw was found in the OpenShift Installer before version v0.9.0-master.0.20210125200451-95101da940b0. During installation of OpenShift Container Platform 4 clusters, bootstrap nodes are provisioned with anonymous authentication enabled on kubelet port 10250. A remote attacker able to reach this port during installation can make unauthenticated `/exec` requests to execute arbitrary commands within running containers. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

Related Files

Red Hat Security Advisory 2021-0313-01
Posted Feb 9, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0313-01 - 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 container images for Red Hat OpenShift Container Platform 4.5.31.

tags | advisory
systems | linux, redhat
advisories | CVE-2020-14382, CVE-2021-20198
SHA-256 | 09fcd8920185ee3bacb93416a2429e21c795378829627e27f53da2f3a8a8e333
Red Hat Security Advisory 2021-0308-01
Posted Feb 8, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0308-01 - 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 container images for Red Hat OpenShift Container Platform 4.6.16. Issues addressed include memory leak and privilege escalation vulnerabilities.

tags | advisory, vulnerability, memory leak
systems | linux, redhat
advisories | CVE-2015-8011, CVE-2016-2183, CVE-2020-14382, CVE-2021-20198, CVE-2021-3344
SHA-256 | dca033969dbad57e5b0b2d3a6a1dad57f3f1a39cd52810fbcbaa5225da1fd411
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