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Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2024-610)

high Nessus Plugin ID 196924

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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 ALAS2023-2024-610 advisory.

 An issue was discovered in some DNS recursive resolvers that allows remote attackers to cause a denial of service using a maliciously designed authority and response amplification. (CVE-2024-33655)

Tenable has extracted the preceding description block directly from the tested product security advisory.

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 unbound --releasever 2023.4.20240513' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2024-610.html

https://alas.aws.amazon.com/cve/html/CVE-2024-33655.html

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

Plugin Details

Severity: High

ID: 196924

File Name: al2023_ALAS2023-2024-610.nasl

Version: 1.2

Type: local

Agent: unix

Published: 5/13/2024

Updated: 12/11/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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-2024-33655

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:python3-unbound-debuginfo, p-cpe:/a:amazon:linux:unbound-anchor, p-cpe:/a:amazon:linux:unbound-anchor-debuginfo, p-cpe:/a:amazon:linux:unbound-devel, p-cpe:/a:amazon:linux:unbound-debugsource, p-cpe:/a:amazon:linux:unbound-libs, p-cpe:/a:amazon:linux:unbound-debuginfo, p-cpe:/a:amazon:linux:unbound-libs-debuginfo, p-cpe:/a:amazon:linux:unbound-utils, p-cpe:/a:amazon:linux:unbound-utils-debuginfo, p-cpe:/a:amazon:linux:unbound, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:python3-unbound

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: 5/9/2024

Reference Information

CVE: CVE-2024-33655