SUSE SLES12 Security Update : avahi (SUSE-SU-2021:1494-2)

medium Nessus Plugin ID 150274



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


This update for avahi fixes the following issues :

CVE-2021-3468: avoid infinite loop by handling HUP event in client_work (bsc#1184521).

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


To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.

Alternatively you can run the command listed for your product :

SUSE OpenStack Cloud Crowbar 9 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-9-2021-1494=1

SUSE OpenStack Cloud Crowbar 8 :

zypper in -t patch SUSE-OpenStack-Cloud-Crowbar-8-2021-1494=1

SUSE OpenStack Cloud 9 :

zypper in -t patch SUSE-OpenStack-Cloud-9-2021-1494=1

SUSE OpenStack Cloud 8 :

zypper in -t patch SUSE-OpenStack-Cloud-8-2021-1494=1

SUSE Linux Enterprise Server for SAP 12-SP4 :

zypper in -t patch SUSE-SLE-SAP-12-SP4-2021-1494=1

SUSE Linux Enterprise Server for SAP 12-SP3 :

zypper in -t patch SUSE-SLE-SAP-12-SP3-2021-1494=1

SUSE Linux Enterprise Server 12-SP4-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP4-LTSS-2021-1494=1

SUSE Linux Enterprise Server 12-SP3-LTSS :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-2021-1494=1

SUSE Linux Enterprise Server 12-SP3-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP3-BCL-2021-1494=1

SUSE Linux Enterprise Server 12-SP2-BCL :

zypper in -t patch SUSE-SLE-SERVER-12-SP2-BCL-2021-1494=1

HPE Helion Openstack 8 :

zypper in -t patch HPE-Helion-OpenStack-8-2021-1494=1

See Also

Plugin Details

Severity: Medium

ID: 150274

File Name: suse_SU-2021-1494-2.nasl

Version: 1.4

Type: local

Agent: unix

Published: 6/4/2021

Updated: 12/27/2023

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

Risk Information


Risk Factor: Low

Score: 3.6


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


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:novell:suse_linux:libavahi-core7-debuginfo, p-cpe:/a:novell:suse_linux:libavahi-glib1, p-cpe:/a:novell:suse_linux:libavahi-glib1-debuginfo, p-cpe:/a:novell:suse_linux:avahi, p-cpe:/a:novell:suse_linux:avahi-debuginfo, p-cpe:/a:novell:suse_linux:avahi-debugsource, p-cpe:/a:novell:suse_linux:avahi-glib2-debugsource, p-cpe:/a:novell:suse_linux:avahi-utils, p-cpe:/a:novell:suse_linux:avahi-utils-debuginfo, p-cpe:/a:novell:suse_linux:libavahi-client3, p-cpe:/a:novell:suse_linux:libavahi-client3-debuginfo, p-cpe:/a:novell:suse_linux:libavahi-common3, p-cpe:/a:novell:suse_linux:libavahi-common3-debuginfo, p-cpe:/a:novell:suse_linux:libavahi-core7, p-cpe:/a:novell:suse_linux:libdns_sd, p-cpe:/a:novell:suse_linux:libdns_sd-debuginfo, cpe:/o:novell:suse_linux:12

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/3/2021

Vulnerability Publication Date: 6/2/2021

Reference Information

CVE: CVE-2021-3468