RHCOS 4 : OpenShift Container Platform 4.5.33 (RHSA-2021:0429)

high Nessus Plugin ID 312429

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Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.5.33.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:0429 advisory.

- ant: insecure temporary file vulnerability (CVE-2020-1945)

- ant: insecure temporary file (CVE-2020-11979)

- jenkins: Arbitrary file read vulnerability in workspace browsers (CVE-2021-21602)

- jenkins: XSS vulnerability in notification bar (CVE-2021-21603)

- jenkins: Improper handling of REST API XML deserialization errors (CVE-2021-21604)

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 RHCOS OpenShift Container Platform 4.5.33 packages based on the guidance in RHSA-2021:0429.

Plugin Details

Severity: High

ID: 312429

File Name: rhcos-RHSA-2021-0429.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/6/2026

Updated: 5/6/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2021-21605

CVSS v3

Risk Factor: High

Base Score: 8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:jenkins, p-cpe:/a:redhat:enterprise_linux:openshift-ansible, p-cpe:/a:redhat:enterprise_linux:openshift, p-cpe:/a:redhat:enterprise_linux:openshift-clients, p-cpe:/a:redhat:enterprise_linux:runc, p-cpe:/a:redhat:enterprise_linux:machine-config-daemon, p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube, p-cpe:/a:redhat:enterprise_linux:conmon, p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:openshift-ansible-test, cpe:/o:redhat:enterprise_linux:8:coreos, cpe:/o:redhat:enterprise_linux:7:coreos

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: 3/3/2021

Vulnerability Publication Date: 5/14/2020

Reference Information

CVE: CVE-2020-11979, CVE-2020-1945, CVE-2021-21602, CVE-2021-21603, CVE-2021-21604, CVE-2021-21605, CVE-2021-21606, CVE-2021-21607, CVE-2021-21608, CVE-2021-21609, CVE-2021-21610, CVE-2021-21611, CVE-2021-21615

CWE: 20, 22, 377, 502, 59, 770, 79, 863

RHSA: 2021:0429

Detections

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