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Amazon Linux 2023 : avahi, avahi-autoipd, avahi-compat-howl (ALAS2023-2023-455)

medium Nessus Plugin ID 186972

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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 ALAS2023-2023-455 advisory.

 A reachable assertion was found in avahi_alternative_host_name. (CVE-2023-38473)

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 avahi --releasever 2023.2.20231211' to update your system.

See Also

https://alas.aws.amazon.com/AL2023/ALAS-2023-455.html

https://alas.aws.amazon.com/cve/html/CVE-2023-38473.html

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

Plugin Details

Severity: Medium

ID: 186972

File Name: al2023_ALAS2023-2023-455.nasl

Version: 1.3

Type: local

Agent: unix

Published: 12/15/2023

Updated: 12/11/2024

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: Medium

Base Score: 4.6

Temporal Score: 3.4

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

CVSS Score Source: CVE-2023-38473

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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:avahi-compat-libdns_sd-devel, p-cpe:/a:amazon:linux:avahi-devel, p-cpe:/a:amazon:linux:avahi-glib-debuginfo, p-cpe:/a:amazon:linux:avahi-tools-debuginfo, p-cpe:/a:amazon:linux:avahi-compat-libdns_sd-debuginfo, p-cpe:/a:amazon:linux:avahi-ui-gtk3-debuginfo, p-cpe:/a:amazon:linux:avahi-libs, p-cpe:/a:amazon:linux:avahi-glib, p-cpe:/a:amazon:linux:avahi-dnsconfd-debuginfo, p-cpe:/a:amazon:linux:avahi-dnsconfd, p-cpe:/a:amazon:linux:avahi-debugsource, p-cpe:/a:amazon:linux:avahi-debuginfo, p-cpe:/a:amazon:linux:avahi-compat-howl-devel, p-cpe:/a:amazon:linux:avahi-compat-libdns_sd, p-cpe:/a:amazon:linux:avahi-gobject-debuginfo, p-cpe:/a:amazon:linux:avahi-compat-howl-debuginfo, p-cpe:/a:amazon:linux:avahi-gobject-devel, p-cpe:/a:amazon:linux:avahi-compat-howl, cpe:/o:amazon:linux:2023, p-cpe:/a:amazon:linux:avahi-autoipd, p-cpe:/a:amazon:linux:avahi-tools, p-cpe:/a:amazon:linux:avahi-ui-gtk3, p-cpe:/a:amazon:linux:avahi-ui-devel, p-cpe:/a:amazon:linux:avahi-gobject, p-cpe:/a:amazon:linux:avahi-glib-devel, p-cpe:/a:amazon:linux:avahi-libs-debuginfo, p-cpe:/a:amazon:linux:avahi, p-cpe:/a:amazon:linux:avahi-autoipd-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/6/2023

Vulnerability Publication Date: 11/2/2023

Reference Information

CVE: CVE-2023-38473