SUSE update for avahi

1) Reachable Assertion

EUVDB-ID: #VU83303

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-2023-38472

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion within the avahi_rdata_parse() function. A local user can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package avahi to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Micro: 5.3 - 5.5

openSUSE Leap Micro: 5.3 - 5.4

Desktop Applications Module: 15-SP4 - 15-SP5

SUSE Package Hub 15: 15-SP4 - 15-SP5

Basesystem Module: 15-SP4 - 15-SP5

SUSE Linux Enterprise Micro for Rancher: 5.3 - 5.4

SUSE Linux Enterprise Server for SAP Applications 15: SP4 - SP5

SUSE Linux Enterprise Server 15: SP4 - SP5

SUSE Linux Enterprise Real Time 15: SP4 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP4 - SP5

SUSE Linux Enterprise Desktop 15: SP4 - SP5

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.3

SUSE Manager Server: 4.3

SUSE Manager Proxy: 4.3

libavahi-common3-64bit: before 0.8-150400.7.13.1

libavahi-glib1-64bit: before 0.8-150400.7.13.1

libdns_sd-64bit-debuginfo: before 0.8-150400.7.13.1

libavahi-client3-64bit: before 0.8-150400.7.13.1

libavahi-glib1-64bit-debuginfo: before 0.8-150400.7.13.1

avahi-64bit-debuginfo: before 0.8-150400.7.13.1

libavahi-client3-64bit-debuginfo: before 0.8-150400.7.13.1

libavahi-common3-64bit-debuginfo: before 0.8-150400.7.13.1

libdns_sd-64bit: before 0.8-150400.7.13.1

avahi-lang: before 0.8-150400.7.13.1

libdns_sd-32bit: before 0.8-150400.7.13.1

libavahi-glib1-32bit-debuginfo: before 0.8-150400.7.13.1

libavahi-common3-32bit-debuginfo: before 0.8-150400.7.13.1

avahi-32bit-debuginfo: before 0.8-150400.7.13.1

libdns_sd-32bit-debuginfo: before 0.8-150400.7.13.1

libavahi-client3-32bit-debuginfo: before 0.8-150400.7.13.1

libavahi-glib1-32bit: before 0.8-150400.7.13.1

libavahi-client3-32bit: before 0.8-150400.7.13.1

libavahi-common3-32bit: before 0.8-150400.7.13.1

libdns_sd-debuginfo: before 0.8-150400.7.13.1

typelib-1_0-Avahi-0_6: before 0.8-150400.7.13.1

avahi-utils-gtk-debuginfo: before 0.8-150400.7.13.1

libavahi-glib1: before 0.8-150400.7.13.1

libavahi-qt5-1: before 0.8-150400.7.13.1

libavahi-ui-gtk3-0: before 0.8-150400.7.13.1

python3-avahi: before 0.8-150400.7.13.1

avahi-utils-debuginfo: before 0.8-150400.7.13.1

python3-avahi-gtk: before 0.8-150400.7.13.1

libhowl0-debuginfo: before 0.8-150400.7.13.1

avahi-debuginfo: before 0.8-150400.7.13.1

avahi: before 0.8-150400.7.13.1

avahi-compat-mDNSResponder-devel: before 0.8-150400.7.13.1

libavahi-client3: before 0.8-150400.7.13.1

libhowl0: before 0.8-150400.7.13.1

libavahi-gobject-devel: before 0.8-150400.7.13.1

avahi-utils: before 0.8-150400.7.13.1

libavahi-glib-devel: before 0.8-150400.7.13.1

libavahi-ui-gtk3-0-debuginfo: before 0.8-150400.7.13.1

libavahi-qt5-1-debuginfo: before 0.8-150400.7.13.1

libavahi-core7: before 0.8-150400.7.13.1

libavahi-devel: before 0.8-150400.7.13.1

libdns_sd: before 0.8-150400.7.13.1

avahi-autoipd-debuginfo: before 0.8-150400.7.13.1

libavahi-gobject0: before 0.8-150400.7.13.1

libavahi-gobject0-debuginfo: before 0.8-150400.7.13.1

libavahi-common3-debuginfo: before 0.8-150400.7.13.1

avahi-autoipd: before 0.8-150400.7.13.1

libavahi-common3: before 0.8-150400.7.13.1

libavahi-core7-debuginfo: before 0.8-150400.7.13.1

avahi-qt5-debugsource: before 0.8-150400.7.13.1

libavahi-glib1-debuginfo: before 0.8-150400.7.13.1

libavahi-qt5-devel: before 0.8-150400.7.13.1

avahi-glib2-debugsource: before 0.8-150400.7.13.1

libavahi-libevent1: before 0.8-150400.7.13.1

avahi-utils-gtk: before 0.8-150400.7.13.1

libavahi-libevent1-debuginfo: before 0.8-150400.7.13.1

libavahi-client3-debuginfo: before 0.8-150400.7.13.1

avahi-debugsource: before 0.8-150400.7.13.1

avahi-compat-howl-devel: before 0.8-150400.7.13.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_micro:5.3:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap_micro:5.4:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap_micro:5.3:*:*:*:*:*:*:
• cpe:2.3:o:suse:desktop_applications_module:15-SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:desktop_applications_module:15-SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_package_hub_15:15-SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_package_hub_15:15-SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:basesystem_module:15-SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:basesystem_module:15-SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_micro_for_rancher:5.3:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing_15:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP5:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP4:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap:15.5:*:*:*:*:*:*:
• cpe:2.3:o:suse:opensuse_leap:15.4:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.3:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_manager_server:4.3:*:*:*:*:*:*:
• cpe:2.3:o:suse:suse_manager_proxy:4.3:*:*:*:*:*:*:

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20234901-1/

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.