SUSE-SU-2023:4910-1: Security update for avahi

Published Dec 19, 2023
·
Updated

This update for avahi fixes the following issues: CVE-2023-38473: Fixed a reachable assertion when parsing a host name (bsc#1216419). CVE-2023-38470: Fixed that each label is at least one byte long (bsc#1215947).

Affected Software

129 affected componentsFixes available
All of the following
SUSE openSUSE Leap 15.4 (aarch64 ppc64le s390x x86_64)
Any of the following
suse/libavahi-ui0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Proxy 4.2 (x86_64)
Any of the following
suse/libavahi-client3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-ui-gtk3<0-0.7-150100.3.29.1
0-0.7-150100.3.29.1
suse/libavahi-common3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-core7-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-glib1-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-howl-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-common3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-glib-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui-gtk3<0-debuginfo-0.7-150100.3.29.1
0-debuginfo-0.7-150100.3.29.1
suse/avahi-glib2-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/typelib<1_0-Avahi-0_6-0.7-150100.3.29.1
1_0-Avahi-0_6-0.7-150100.3.29.1
suse/libavahi-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-glib1<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-mdnsresponder-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Proxy 4.2 (noarch)
suse/avahi-lang<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Retail Branch Server 4.2 (x86_64)
Any of the following
suse/libavahi-client3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-ui-gtk3<0-0.7-150100.3.29.1
0-0.7-150100.3.29.1
suse/libavahi-common3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-core7-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-glib1-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-howl-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-common3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-glib-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui-gtk3<0-debuginfo-0.7-150100.3.29.1
0-debuginfo-0.7-150100.3.29.1
suse/avahi-glib2-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/typelib<1_0-Avahi-0_6-0.7-150100.3.29.1
1_0-Avahi-0_6-0.7-150100.3.29.1
suse/libavahi-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-glib1<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-mdnsresponder-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Retail Branch Server 4.2 (noarch)
suse/avahi-lang<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Server 4.2 (ppc64le s390x x86_64)
Any of the following
suse/libavahi-ui-gtk3<0-0.7-150100.3.29.1
0-0.7-150100.3.29.1
suse/libavahi-common3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-glib1-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-howl-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-glib-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-gobject0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui-gtk3<0-debuginfo-0.7-150100.3.29.1
0-debuginfo-0.7-150100.3.29.1
suse/avahi-glib2-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-utils-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/typelib<1_0-Avahi-0_6-0.7-150100.3.29.1
1_0-Avahi-0_6-0.7-150100.3.29.1
suse/libavahi-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-glib1<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-compat-mdnsresponder-devel<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libhowl0<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-ui0-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Server 4.2 (noarch)
suse/avahi-lang<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Manager Server 4.2 (x86_64)
Any of the following
suse/libavahi-client3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-common3<32bit-0.7-150100.3.29.1
32bit-0.7-150100.3.29.1
suse/libavahi-client3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/avahi<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
suse/libavahi-common3<32bit-debuginfo-0.7-150100.3.29.1
32bit-debuginfo-0.7-150100.3.29.1
All of the following
SUSE SUSE Linux Enterprise Micro 5.2 (aarch64 s390x x86_64)
Any of the following
suse/libavahi-core7-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
All of the following
SUSE SUSE Linux Enterprise Micro for Rancher 5.2 (aarch64 s390x x86_64)
Any of the following
suse/libavahi-core7-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-core7<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-common3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debugsource<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/libavahi-client3<0.7-150100.3.29.1
0.7-150100.3.29.1
suse/avahi-debuginfo<0.7-150100.3.29.1
0.7-150100.3.29.1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade suse/libavahi-ui0 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  2. Upgrade

    Upgrade suse/libavahi-ui0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  3. Upgrade

    Upgrade suse/libavahi-client3 to a version that resolves this vulnerability.

    Fixed in 32bit-debuginfo-0.7-150100.3.29.1
  4. Upgrade

    Upgrade suse/libavahi-ui-gtk3 to a version that resolves this vulnerability.

    Fixed in 0-0.7-150100.3.29.1
  5. Upgrade

    Upgrade suse/libavahi-common3 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  6. Upgrade

    Upgrade suse/libavahi-gobject0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  7. Upgrade

    Upgrade suse/avahi to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  8. Upgrade

    Upgrade suse/avahi-debugsource to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  9. Upgrade

    Upgrade suse/libavahi-client3 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  10. Upgrade

    Upgrade suse/libavahi-common3 to a version that resolves this vulnerability.

    Fixed in 32bit-debuginfo-0.7-150100.3.29.1
  11. Upgrade

    Upgrade suse/libavahi-core7-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  12. Upgrade

    Upgrade suse/libavahi-core7 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  13. Upgrade

    Upgrade suse/libhowl0-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  14. Upgrade

    Upgrade suse/libavahi-glib1-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  15. Upgrade

    Upgrade suse/libavahi-client3-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  16. Upgrade

    Upgrade suse/avahi-compat-howl-devel to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  17. Upgrade

    Upgrade suse/libavahi-client3 to a version that resolves this vulnerability.

    Fixed in 32bit-0.7-150100.3.29.1
  18. Upgrade

    Upgrade suse/libavahi-common3 to a version that resolves this vulnerability.

    Fixed in 32bit-0.7-150100.3.29.1
  19. Upgrade

    Upgrade suse/libavahi-glib-devel to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  20. Upgrade

    Upgrade suse/avahi-utils to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  21. Upgrade

    Upgrade suse/libavahi-gobject0 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  22. Upgrade

    Upgrade suse/libavahi-common3-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  23. Upgrade

    Upgrade suse/libavahi-ui-gtk3 to a version that resolves this vulnerability.

    Fixed in 0-debuginfo-0.7-150100.3.29.1
  24. Upgrade

    Upgrade suse/avahi-glib2-debugsource to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  25. Upgrade

    Upgrade suse/avahi-utils-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  26. Upgrade

    Upgrade suse/typelib to a version that resolves this vulnerability.

    Fixed in 1_0-Avahi-0_6-0.7-150100.3.29.1
  27. Upgrade

    Upgrade suse/libavahi-devel to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  28. Upgrade

    Upgrade suse/avahi-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  29. Upgrade

    Upgrade suse/avahi to a version that resolves this vulnerability.

    Fixed in 32bit-debuginfo-0.7-150100.3.29.1
  30. Upgrade

    Upgrade suse/libavahi-glib1 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  31. Upgrade

    Upgrade suse/avahi-compat-mDNSResponder-devel to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  32. Upgrade

    Upgrade suse/libhowl0 to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  33. Upgrade

    Upgrade suse/avahi-lang to a version that resolves this vulnerability.

    Fixed in 0.7-150100.3.29.1
  34. Upgrade

    Upgrade SUSE Manager Proxy 4.2 to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SUSE-Manager-Proxy-4.2-2023-4910=1
  35. Upgrade

    Upgrade SUSE Manager Retail Branch Server 4.2 to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SUSE-Manager-Retail-Branch-Server-4.2-2023-4910=1
  36. Upgrade

    Upgrade SUSE Manager Server 4.2 to a version that resolves this vulnerability.

    Patch SUSE-SLE-Product-SUSE-Manager-Server-4.2-2023-4910=1
  37. Upgrade

    Upgrade SUSE Linux Enterprise Micro 5.2 / SUSE Linux Enterprise Micro for Rancher 5.2 to a version that resolves this vulnerability.

    Patch SUSE-SUSE-MicroOS-5.2-2023-4910=1
  38. Upgrade

    Upgrade openSUSE Leap 15.4 to a version that resolves this vulnerability.

    Patch openSUSE-SLE-15.4-2023-4910=1

Event History

Dec 19, 2023
Advisory Published
04:31 PM

Child vulnerabilities

Contains the following vulnerabilities.

Frequently Asked Questions

1

Which installed components should be checked when assessing exposure?

Check for the listed Avahi packages: avahi, libavahi-client3, libavahi-common3, libavahi-ui-gtk3, avahi-debugsource, libavahi-core7, libavahi-core7-debuginfo, and libavahi-client3-debuginfo. The advisory does not provide affected or fixed package version numbers.

2

What input handling is addressed by this update?

The update fixes a reachable assertion during host name parsing and enforces that every label is at least one byte long. The provided data does not state the required attacker access level, affected default configuration, or an interim mitigation.

Company

Resources

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