RHCOS 4 : OpenShift Container Platform 4.9.56 (RHSA-2023:0777)

critical Nessus Plugin ID 189442

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Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.9.56.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:0777 advisory.

- google-oauth-client: missing PKCE support in accordance with the RFC for OAuth 2.0 for Native Apps can lead to improper authorization (CVE-2020-7692)

- SnakeYaml: Constructor Deserialization Remote Code Execution (CVE-2022-1471)

- http2-server: Invalid HTTP/2 requests cause DoS (CVE-2022-2048)

- snakeyaml: Denial of Service due to missing nested depth limitation for collections (CVE-2022-25857)

- plugin: CSRF vulnerability in Script Security Plugin (CVE-2022-30946)

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 4.9.56 package based on the guidance in RHSA-2023:0777.

Plugin Details

Severity: Critical

ID: 189442

File Name: rhcos-RHSA-2023-0777.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 1/24/2024

Updated: 5/4/2026

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: 6.7

Vendor

Vendor Severity: Critical

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-2020-7692

CVSS v3

Risk Factor: Critical

Base Score: 9.9

Temporal Score: 8.9

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

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

CVSS Score Source: CVE-2022-43406

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:jenkins, cpe:/o:redhat:enterprise_linux:8:coreos, p-cpe:/a:redhat:enterprise_linux:jenkins-2-plugins

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: 2/23/2023

Vulnerability Publication Date: 7/9/2020

Reference Information

CVE: CVE-2020-7692, CVE-2022-1471, CVE-2022-2048, CVE-2022-25857, CVE-2022-30946, CVE-2022-30952, CVE-2022-30953, CVE-2022-30954, CVE-2022-34174, CVE-2022-36882, CVE-2022-36883, CVE-2022-36884, CVE-2022-36885, CVE-2022-43401, CVE-2022-43402, CVE-2022-43403, CVE-2022-43404, CVE-2022-43405, CVE-2022-43406, CVE-2022-43407, CVE-2022-43408, CVE-2022-43409, CVE-2022-45047, CVE-2022-45379, CVE-2022-45380, CVE-2022-45381

CWE: 200, 208, 22, 328, 352, 358, 400, 410, 502, 668, 693, 79, 838, 862

RHSA: 2023:0777

Detections

Analytics