RHEL 7 / 8 : OpenShift Container Platform 4.7.32 (RHSA-2021:3635)

high Nessus Plugin ID 165142

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Synopsis

The remote Red Hat host is missing a security update for OpenShift Container Platform 4.7.32.

Description

The remote Redhat Enterprise Linux 7 / 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2021:3635 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 4.7.32. See the following advisory for the container images for this release:

https://access.redhat.com/errata/RHBA-2021:3636

Security Fix(es):

* [kubernetes: Symlink exchange can allow host filesystem access (CVE-2021-25741)]

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.

All OpenShift Container Platform 4.7 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift Console or the CLI oc command. Instructions for upgrading a cluster are available at https://docs.openshift.com/container-platform/4.7/updating/updating-cluster-between- minor.html#understanding-upgrade-channels_updating-cluster-between-minor

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

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

Solution

Update the RHEL OpenShift Container Platform 4.7.32 packages based on the guidance in RHSA-2021:3635.

Plugin Details

Severity: High

ID: 165142

File Name: redhat-RHSA-2021-3635.nasl

Version: 1.8

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 9/15/2022

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.2

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-25741

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:openshift, cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:enterprise_linux:7

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2021

Vulnerability Publication Date: 9/20/2021

Reference Information

CVE: CVE-2021-25741

CWE: 59

RHSA: 2021:3635

Detections

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