Security update for avahi

Announcement ID: SUSE-SU-2021:0563-1
Rating: moderate
References:
Cross-References:
CVSS scores:
  • CVE-2021-26720 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • CVE-2021-26720 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
  • SUSE Linux Enterprise High Performance Computing 12 SP5
  • SUSE Linux Enterprise Server 12 SP5
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
  • SUSE Linux Enterprise Software Development Kit 12 SP5
  • SUSE Linux Enterprise Workstation Extension 12 12-SP5

An update that solves one vulnerability can now be installed.

Description:

This update for avahi fixes the following issues:

  • CVE-2021-26720: drop privileges when invoking avahi-daemon-check-dns.sh (bsc#1180827)
  • Add sudo to requires: used to drop privileges.

Patch Instructions:

To install this SUSE 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 Linux Enterprise Software Development Kit 12 SP5
    zypper in -t patch SUSE-SLE-SDK-12-SP5-2021-563=1
  • SUSE Linux Enterprise High Performance Computing 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-563=1
  • SUSE Linux Enterprise Server 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-563=1
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-2021-563=1
  • SUSE Linux Enterprise Workstation Extension 12 12-SP5
    zypper in -t patch SUSE-SLE-WE-12-SP5-2021-563=1

Package List:

  • SUSE Linux Enterprise Software Development Kit 12 SP5 (aarch64 ppc64le s390x x86_64)
    • avahi-glib2-debugsource-0.6.32-32.12.3
    • libavahi-gobject0-0.6.32-32.12.3
    • libavahi-gobject0-debuginfo-0.6.32-32.12.3
    • libavahi-ui0-0.6.32-32.12.3
    • python-avahi-0.6.32-32.12.2
    • avahi-compat-mDNSResponder-devel-0.6.32-32.12.2
    • libavahi-ui-gtk3-0-debuginfo-0.6.32-32.12.3
    • libavahi-devel-0.6.32-32.12.2
    • libhowl0-debuginfo-0.6.32-32.12.2
    • typelib-1_0-Avahi-0_6-0.6.32-32.12.3
    • libavahi-glib-devel-0.6.32-32.12.3
    • libavahi-ui-gtk3-0-0.6.32-32.12.3
    • libavahi-ui0-debuginfo-0.6.32-32.12.3
    • libhowl0-0.6.32-32.12.2
    • avahi-debugsource-0.6.32-32.12.2
    • avahi-compat-howl-devel-0.6.32-32.12.2
    • libavahi-gobject-devel-0.6.32-32.12.3
    • avahi-debuginfo-0.6.32-32.12.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (aarch64 x86_64)
    • avahi-glib2-debugsource-0.6.32-32.12.3
    • libdns_sd-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-0.6.32-32.12.3
    • libavahi-common3-debuginfo-0.6.32-32.12.2
    • libdns_sd-debuginfo-0.6.32-32.12.2
    • libavahi-client3-0.6.32-32.12.2
    • libavahi-common3-0.6.32-32.12.2
    • libavahi-glib1-0.6.32-32.12.3
    • libavahi-core7-0.6.32-32.12.2
    • libavahi-client3-debuginfo-0.6.32-32.12.2
    • avahi-utils-debuginfo-0.6.32-32.12.2
    • avahi-utils-0.6.32-32.12.2
    • avahi-debugsource-0.6.32-32.12.2
    • libavahi-core7-debuginfo-0.6.32-32.12.2
    • avahi-debuginfo-0.6.32-32.12.2
    • avahi-0.6.32-32.12.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (noarch)
    • avahi-lang-0.6.32-32.12.2
  • SUSE Linux Enterprise High Performance Computing 12 SP5 (x86_64)
    • libavahi-common3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-client3-32bit-0.6.32-32.12.2
    • libavahi-client3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-32bit-0.6.32-32.12.3
    • avahi-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-common3-32bit-0.6.32-32.12.2
    • libdns_sd-debuginfo-32bit-0.6.32-32.12.2
    • libdns_sd-32bit-0.6.32-32.12.2
    • libavahi-glib1-32bit-0.6.32-32.12.3
  • SUSE Linux Enterprise Server 12 SP5 (aarch64 ppc64le s390x x86_64)
    • avahi-glib2-debugsource-0.6.32-32.12.3
    • libdns_sd-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-0.6.32-32.12.3
    • libavahi-common3-debuginfo-0.6.32-32.12.2
    • libdns_sd-debuginfo-0.6.32-32.12.2
    • libavahi-client3-0.6.32-32.12.2
    • libavahi-common3-0.6.32-32.12.2
    • libavahi-glib1-0.6.32-32.12.3
    • libavahi-core7-0.6.32-32.12.2
    • libavahi-client3-debuginfo-0.6.32-32.12.2
    • avahi-utils-debuginfo-0.6.32-32.12.2
    • avahi-utils-0.6.32-32.12.2
    • avahi-debugsource-0.6.32-32.12.2
    • libavahi-core7-debuginfo-0.6.32-32.12.2
    • avahi-debuginfo-0.6.32-32.12.2
    • avahi-0.6.32-32.12.2
  • SUSE Linux Enterprise Server 12 SP5 (noarch)
    • avahi-lang-0.6.32-32.12.2
  • SUSE Linux Enterprise Server 12 SP5 (s390x x86_64)
    • libavahi-common3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-client3-32bit-0.6.32-32.12.2
    • libavahi-client3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-32bit-0.6.32-32.12.3
    • avahi-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-common3-32bit-0.6.32-32.12.2
    • libdns_sd-debuginfo-32bit-0.6.32-32.12.2
    • libdns_sd-32bit-0.6.32-32.12.2
    • libavahi-glib1-32bit-0.6.32-32.12.3
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (ppc64le x86_64)
    • avahi-glib2-debugsource-0.6.32-32.12.3
    • libdns_sd-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-0.6.32-32.12.3
    • libavahi-common3-debuginfo-0.6.32-32.12.2
    • libdns_sd-debuginfo-0.6.32-32.12.2
    • libavahi-client3-0.6.32-32.12.2
    • libavahi-common3-0.6.32-32.12.2
    • libavahi-glib1-0.6.32-32.12.3
    • libavahi-core7-0.6.32-32.12.2
    • libavahi-client3-debuginfo-0.6.32-32.12.2
    • avahi-utils-debuginfo-0.6.32-32.12.2
    • avahi-utils-0.6.32-32.12.2
    • avahi-debugsource-0.6.32-32.12.2
    • libavahi-core7-debuginfo-0.6.32-32.12.2
    • avahi-debuginfo-0.6.32-32.12.2
    • avahi-0.6.32-32.12.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (noarch)
    • avahi-lang-0.6.32-32.12.2
  • SUSE Linux Enterprise Server for SAP Applications 12 SP5 (x86_64)
    • libavahi-common3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-client3-32bit-0.6.32-32.12.2
    • libavahi-client3-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-glib1-debuginfo-32bit-0.6.32-32.12.3
    • avahi-debuginfo-32bit-0.6.32-32.12.2
    • libavahi-common3-32bit-0.6.32-32.12.2
    • libdns_sd-debuginfo-32bit-0.6.32-32.12.2
    • libdns_sd-32bit-0.6.32-32.12.2
    • libavahi-glib1-32bit-0.6.32-32.12.3
  • SUSE Linux Enterprise Workstation Extension 12 12-SP5 (x86_64)
    • avahi-glib2-debugsource-0.6.32-32.12.3
    • libavahi-gobject0-0.6.32-32.12.3
    • libavahi-ui0-0.6.32-32.12.3
    • libavahi-ui-gtk3-0-debuginfo-0.6.32-32.12.3
    • libavahi-ui-gtk3-0-0.6.32-32.12.3
    • libavahi-ui0-debuginfo-0.6.32-32.12.3
    • libavahi-gobject0-debuginfo-0.6.32-32.12.3

References: