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RHEL 8 : avahi (RHSA-2023:7190)

medium Nessus Plugin ID 185682

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Synopsis

The remote Red Hat host is missing a security update for avahi.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:7190 advisory.

 Avahi is an implementation of the DNS Service Discovery and Multicast DNS specifications for Zero Configuration Networking. It facilitates service discovery on a local network. Avahi and Avahi-aware applications allow you to plug your computer into a network and, with no configuration, view other people to chat with, view printers to print with, and find shared files on other computers.

 Security Fix(es):

 * avahi: avahi-daemon can be crashed via DBus (CVE-2023-1981)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

 Additional Changes:

 For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.9 Release Notes linked from the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux 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

Update the RHEL avahi package based on the guidance in RHSA-2023:7190.

See Also

http://www.nessus.org/u?819248f8

http://www.nessus.org/u?feec28ef

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2185911

https://access.redhat.com/errata/RHSA-2023:7190

Plugin Details

Severity: Medium

ID: 185682

File Name: redhat-RHSA-2023-7190.nasl

Version: 1.2

Type: local

Agent: unix

Published: 11/14/2023

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Moderate

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:redhat:enterprise_linux:avahi-ui, p-cpe:/a:redhat:enterprise_linux:avahi-libs, p-cpe:/a:redhat:enterprise_linux:avahi-ui-devel, p-cpe:/a:redhat:enterprise_linux:avahi-compat-libdns_sd, p-cpe:/a:redhat:enterprise_linux:avahi-compat-howl, p-cpe:/a:redhat:enterprise_linux:avahi-tools, p-cpe:/a:redhat:enterprise_linux:avahi-gobject, p-cpe:/a:redhat:enterprise_linux:avahi-ui-gtk3, p-cpe:/a:redhat:enterprise_linux:avahi, p-cpe:/a:redhat:enterprise_linux:python3-avahi, p-cpe:/a:redhat:enterprise_linux:avahi-devel, p-cpe:/a:redhat:enterprise_linux:avahi-compat-howl-devel, p-cpe:/a:redhat:enterprise_linux:avahi-compat-libdns_sd-devel, p-cpe:/a:redhat:enterprise_linux:avahi-glib, p-cpe:/a:redhat:enterprise_linux:avahi-autoipd, p-cpe:/a:redhat:enterprise_linux:avahi-glib-devel, p-cpe:/a:redhat:enterprise_linux:avahi-gobject-devel, cpe:/o:redhat:enterprise_linux:8

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/14/2023

Vulnerability Publication Date: 4/12/2023

Reference Information

CVE: CVE-2023-1981

CWE: 400

RHSA: 2023:7190