RHCOS 4 : OpenShift Container Platform 4.13.8 (RHSA-2023:4459)

high Nessus Plugin ID 312076

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Synopsis

The remote Red Hat CoreOS host is missing one or more security updates for OpenShift Container Platform 4.13.8.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2023:4459 advisory.

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

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

- golang: html/template: improper handling of empty HTML attributes (CVE-2023-29400)

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 4.13.8 packages based on the guidance in RHSA-2023:4459.

Plugin Details

Severity: High

ID: 312076

File Name: rhcos-RHSA-2023-4459.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

Published: 5/4/2026

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: Low

Score: 3.6

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2023-29400

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.4

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:cri-tools, 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: 8/8/2023

Vulnerability Publication Date: 4/5/2023

Reference Information

CVE: CVE-2023-24534, CVE-2023-24539, CVE-2023-29400

CWE: 176, 400

RHSA: 2023:4459

Detections

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