Detections
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RHCOS 4 : OpenShift Container Platform 4.11.54 (RHSA-2023:7481)

high Nessus Plugin ID 189437

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Synopsis

The remote Red Hat CoreOS host is missing a security update for OpenShift Container Platform 4.11.54.

Description

The remote Red Hat Enterprise Linux CoreOS 4 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2023:7481 advisory.

 - The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023. (CVE-2023-44487)

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 RHCOS OpenShift Container Platform 4.11.54 packages based on the guidance in RHSA-2023:7481.

See Also

https://access.redhat.com/security/cve/CVE-2023-44487

https://access.redhat.com/errata/RHSA-2023:7481

Plugin Details

Severity: High

ID: 189437

File Name: rhcos-RHSA-2023-7481.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/24/2024

Updated: 4/17/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

CVSS Score Source: CVE-2023-44487

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8:coreos, p-cpe:/a:redhat:enterprise_linux:cri-o

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: 11/29/2023

Vulnerability Publication Date: 10/10/2023

CISA Known Exploited Vulnerability Due Dates: 10/31/2023

Reference Information

CVE: CVE-2023-44487

CWE: 400

RHSA: 2023:7481