RHCOS 4 : OpenShift Container Platform 4.13.3 (RHSA-2023:3540)

critical Nessus Plugin ID 312055

Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.13.3.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2023:3540 advisory.

- golang: net/http, net/textproto: denial of service from excessive memory allocation (CVE-2023-24534)

- golang: net/http, net/textproto, mime/multipart: denial of service from excessive resource consumption (CVE-2023-24536)

- golang: go/parser: Infinite loop in parsing (CVE-2023-24537)

- golang: html/template: backticks not treated as string delimiters (CVE-2023-24538)

- golang: html/template: improper sanitization of CSS values (CVE-2023-24539)

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 4.13.3 package based on the guidance in RHSA-2023:3540.

Plugin Details

Severity: Critical

ID: 312055

File Name: rhcos-RHSA-2023-3540.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/4/2026

Updated: 5/4/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2023-24538

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:microshift, p-cpe:/a:redhat:enterprise_linux:microshift-release-info, p-cpe:/a:redhat:enterprise_linux:microshift-selinux, p-cpe:/a:redhat:enterprise_linux:microshift-networking, cpe:/o:redhat:enterprise_linux:9: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: 6/13/2023

Vulnerability Publication Date: 4/5/2023

Reference Information

CVE: CVE-2023-24534, CVE-2023-24536, CVE-2023-24537, CVE-2023-24538, CVE-2023-24539, CVE-2023-29400

CWE: 176, 400, 835, 94

RHSA: 2023:3540

Detections

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