Amazon Linux 2023 : ecs-init (ALAS2023-2024-620)

high Nessus Plugin ID 196919

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Synopsis

The remote Amazon Linux 2023 host is missing a security update.

Description

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2024-620 advisory.

- A maliciously crafted HTTP/2 stream could cause excessive CPU consumption in the HPACK decoder, sufficient to cause a denial of service from a small number of small requests. (CVE-2022-41723)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Run 'dnf update ecs-init --releasever 2023.4.20240513' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2024-620.html

https://alas.aws.amazon.com/cve/html/CVE-2022-41723.html

https://alas.aws.amazon.com/faqs.html

Plugin Details

Severity: High

ID: 196919

File Name: al2023_ALAS2023-2024-620.nasl

Version: 1.0

Type: local

Agent: unix

Published: 5/13/2024

Updated: 5/13/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2022-41723

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:ecs-init, cpe:/o:amazon:linux:2023

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 5/9/2024

Vulnerability Publication Date: 2/15/2023

Reference Information

CVE: CVE-2022-41723

IAVB: 2023-B-0012-S