Detections
Analytics

Azure Linux 3.0 Security Update: avahi (CVE-2023-1981)

medium Nessus Plugin ID 215885

Synopsis

The remote Azure Linux host is missing one or more security updates.

Description

The version of avahi installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-1981 advisory.

 - A vulnerability was found in the avahi library. This flaw allows an unprivileged user to make a dbus call, causing the avahi daemon to crash. (CVE-2023-1981)

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 affected packages.

See Also

https://nvd.nist.gov/vuln/detail/CVE-2023-1981

Plugin Details

Severity: Medium

ID: 215885

File Name: azure_linux_CVE-2023-1981.nasl

Version: 1.1

Type: local

Published: 2/10/2025

Updated: 2/10/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.6

Temporal Score: 3.6

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

CVSS Score Source: CVE-2023-1981

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

Vulnerability Information

CPE: p-cpe:/a:microsoft:azure_linux:avahi-dnsconfd, p-cpe:/a:microsoft:azure_linux:avahi-libs, p-cpe:/a:microsoft:azure_linux:avahi-devel, p-cpe:/a:microsoft:azure_linux:avahi, p-cpe:/a:microsoft:azure_linux:avahi-compat-howl-devel, x-cpe:/o:microsoft:azure_linux, p-cpe:/a:microsoft:azure_linux:avahi-compat-libdns_sd-devel, p-cpe:/a:microsoft:azure_linux:avahi-gobject-devel, p-cpe:/a:microsoft:azure_linux:avahi-autoipd, p-cpe:/a:microsoft:azure_linux:avahi-tools, p-cpe:/a:microsoft:azure_linux:avahi-debuginfo, p-cpe:/a:microsoft:azure_linux:avahi-glib-devel, p-cpe:/a:microsoft:azure_linux:avahi-gobject, p-cpe:/a:microsoft:azure_linux:avahi-compat-libdns_sd, p-cpe:/a:microsoft:azure_linux:avahi-compat-howl, p-cpe:/a:microsoft:azure_linux:avahi-glib

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/10/2024

Vulnerability Publication Date: 4/12/2023

Reference Information

CVE: CVE-2023-1981