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EulerOS Virtualization 3.0.6.0 : avahi (EulerOS-SA-2022-1055)

medium Nessus Plugin ID 157941

Synopsis

The remote EulerOS Virtualization host is missing a security update.

Description

According to the versions of the avahi packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

 - A flaw was found in avahi in versions 0.6 up to 0.8. The event used to signal the termination of the client connection on the avahi Unix socket is not correctly handled in the client_work function, allowing a local attacker to trigger an infinite loop. The highest threat from this vulnerability is to the availability of the avahi service, which becomes unresponsive after this flaw is triggered.
 (CVE-2021-3468)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected avahi packages.

See Also

http://www.nessus.org/u?cec45801

Plugin Details

Severity: Medium

ID: 157941

File Name: EulerOS_SA-2022-1055.nasl

Version: 1.2

Type: local

Published: 2/12/2022

Updated: 2/12/2022

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2021-3468

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:huawei:euleros:avahi, p-cpe:/a:huawei:euleros:avahi-autoipd, p-cpe:/a:huawei:euleros:avahi-devel, p-cpe:/a:huawei:euleros:avahi-glib, p-cpe:/a:huawei:euleros:avahi-gobject, p-cpe:/a:huawei:euleros:avahi-libs, p-cpe:/a:huawei:euleros:avahi-ui-gtk3, p-cpe:/a:huawei:euleros:python2-avahi, p-cpe:/a:huawei:euleros:python3-avahi, cpe:/o:huawei:euleros:uvp:3.0.6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/12/2022

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3468