Detections
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MiracleLinux 9 : avahi-0.8-15.el9 (AXSA:2023-6723:02)

medium Nessus Plugin ID 292601

Synopsis

The remote MiracleLinux host is missing one or more security updates.

Description

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-6723:02 advisory.

 * avahi: Local DoS by event-busy-loop from writing long lines to /run/avahi-daemon/socket (CVE-2021-3468)
 * avahi: reachable assertion in avahi_s_host_name_resolver_start when trying to resolve badly-formatted hostnames (CVE-2021-3502)
 * avahi: avahi-daemon can be crashed via DBus (CVE-2023-1981)

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

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 affected packages.

See Also

https://tsn.miraclelinux.com/en/node/17907

Plugin Details

Severity: Medium

ID: 292601

File Name: miracle_linux_AXSA-2023-6723.nasl

Version: 1.1

Type: local

Published: 1/20/2026

Updated: 1/20/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-3502

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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:P/RL:O/RC:C

CVSS Score Source: CVE-2023-1981

Vulnerability Information

CPE: p-cpe:/a:miracle:linux:avahi-libs, p-cpe:/a:miracle:linux:avahi-devel, p-cpe:/a:miracle:linux:avahi-glib, p-cpe:/a:miracle:linux:avahi, p-cpe:/a:miracle:linux:avahi-tools, p-cpe:/a:miracle:linux:avahi-compat-howl-devel, p-cpe:/a:miracle:linux:avahi-glib-devel, cpe:/o:miracle:linux:9, p-cpe:/a:miracle:linux:avahi-compat-libdns_sd, p-cpe:/a:miracle:linux:avahi-compat-libdns_sd-devel, p-cpe:/a:miracle:linux:avahi-compat-howl

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/7/2023

Vulnerability Publication Date: 5/7/2021

Reference Information

CVE: CVE-2021-3468, CVE-2021-3502, CVE-2023-1981