SUSE update for avahi

1) Input validation error

EUVDB-ID: #VU75444

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-1981

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A local user can initiate a DBUS call to the daemon and perform a denial of service (DoS) attack.

Mitigation

Update the affected package avahi to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Workstation Extension 12: 12-SP5

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

libavahi-common3-debuginfo-32bit: before 0.6.32-32.18.1

libavahi-client3-debuginfo-32bit: before 0.6.32-32.18.1

libavahi-client3-32bit: before 0.6.32-32.18.1

libavahi-glib1-32bit: before 0.6.32-32.18.1

libavahi-glib1-debuginfo-32bit: before 0.6.32-32.18.1

libdns_sd-debuginfo-32bit: before 0.6.32-32.18.1

libavahi-common3-32bit: before 0.6.32-32.18.1

avahi-debuginfo-32bit: before 0.6.32-32.18.1

libdns_sd-32bit: before 0.6.32-32.18.1

avahi-lang: before 0.6.32-32.18.1

libavahi-client3: before 0.6.32-32.18.1

libdns_sd: before 0.6.32-32.18.1

libavahi-client3-debuginfo: before 0.6.32-32.18.1

libavahi-core7-debuginfo: before 0.6.32-32.18.1

avahi-utils-debuginfo: before 0.6.32-32.18.1

libdns_sd-debuginfo: before 0.6.32-32.18.1

avahi-utils: before 0.6.32-32.18.1

libavahi-glib1-debuginfo: before 0.6.32-32.18.1

libavahi-common3-debuginfo: before 0.6.32-32.18.1

libavahi-common3: before 0.6.32-32.18.1

libavahi-glib1: before 0.6.32-32.18.1

libavahi-core7: before 0.6.32-32.18.1

avahi: before 0.6.32-32.18.1

libavahi-ui-gtk3-0-debuginfo: before 0.6.32-32.18.1

avahi-debuginfo: before 0.6.32-32.18.1

python-avahi: before 0.6.32-32.18.1

libavahi-gobject0-debuginfo: before 0.6.32-32.18.1

libhowl0-debuginfo: before 0.6.32-32.18.1

typelib-1_0-Avahi-0_6: before 0.6.32-32.18.1

libavahi-glib-devel: before 0.6.32-32.18.1

libavahi-ui0-debuginfo: before 0.6.32-32.18.1

avahi-debugsource: before 0.6.32-32.18.1

avahi-compat-howl-devel: before 0.6.32-32.18.1

avahi-compat-mDNSResponder-devel: before 0.6.32-32.18.1

libhowl0: before 0.6.32-32.18.1

libavahi-devel: before 0.6.32-32.18.1

libavahi-ui-gtk3-0: before 0.6.32-32.18.1

libavahi-gobject-devel: before 0.6.32-32.18.1

avahi-glib2-debugsource: before 0.6.32-32.18.1

libavahi-ui0: before 0.6.32-32.18.1

libavahi-gobject0: before 0.6.32-32.18.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_workstation_extension_12:12-SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_software_development_kit_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_12:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:libavahi-common3-debuginfo-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-client3-debuginfo-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-client3-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-glib1-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-glib1-debuginfo-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libdns_sd-debuginfo-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-common3-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-debuginfo-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libdns_sd-32bit:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-lang:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-client3:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libdns_sd:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-client3-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-core7-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-utils-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libdns_sd-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-utils:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-glib1-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-common3-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-common3:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-glib1:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-core7:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-ui-gtk3-0-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:python-avahi:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-gobject0-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libhowl0-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:typelib-1_0-avahi-0_6:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-glib-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-ui0-debuginfo:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-debugsource:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-compat-howl-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-compat-mdnsresponder-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libhowl0:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-ui-gtk3-0:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-gobject-devel:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:avahi-glib2-debugsource:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-ui0:*:*:*:*:*:suse_linux:*:
• cpe:2.3:o:suse:libavahi-gobject0:*:*:*:*:*:suse_linux:*:

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20231956-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.