A avahi security update has been released for openSUSE Leap 15.2.

openSUSE-SU-2021:0370-1: moderate: Security update for avahi

openSUSE Security Update: Security update for avahi
______________________________________________________________________________

Announcement ID: openSUSE-SU-2021:0370-1
Rating: moderate
References: #1180827
Cross-References: CVE-2021-26720
CVSS scores:
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
CVE-2021-26720 (SUSE): 3.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected Products:
openSUSE Leap 15.2
______________________________________________________________________________

An update that fixes one vulnerability is now available.

Description:

This update for avahi fixes the following issues:

- CVE-2021-26720: drop privileges when invoking avahi-daemon-check-dns.sh
(bsc#1180827)
- Update avahi-daemon-check-dns.sh from Debian. Our previous version
relied on ifconfig, route, and init.d.
- Add sudo to requires: used to drop privileges.

This update was imported from the SUSE:SLE-15-SP1:Update update project.

Patch Instructions:

To install this openSUSE 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:

- openSUSE Leap 15.2:

zypper in -t patch openSUSE-2021-370=1


Package List:

- openSUSE Leap 15.2 (i586 x86_64):

avahi-0.7-lp152.3.6.1
avahi-autoipd-0.7-lp152.3.6.1
avahi-autoipd-debuginfo-0.7-lp152.3.6.1
avahi-compat-howl-devel-0.7-lp152.3.6.1
avahi-compat-mDNSResponder-devel-0.7-lp152.3.6.1
avahi-debuginfo-0.7-lp152.3.6.1
avahi-debugsource-0.7-lp152.3.6.1
avahi-glib2-debugsource-0.7-lp152.3.6.1
avahi-utils-0.7-lp152.3.6.1
avahi-utils-debuginfo-0.7-lp152.3.6.1
avahi-utils-gtk-0.7-lp152.3.6.1
avahi-utils-gtk-debuginfo-0.7-lp152.3.6.1
libavahi-client3-0.7-lp152.3.6.1
libavahi-client3-debuginfo-0.7-lp152.3.6.1
libavahi-common3-0.7-lp152.3.6.1
libavahi-common3-debuginfo-0.7-lp152.3.6.1
libavahi-core7-0.7-lp152.3.6.1
libavahi-core7-debuginfo-0.7-lp152.3.6.1
libavahi-devel-0.7-lp152.3.6.1
libavahi-glib-devel-0.7-lp152.3.6.1
libavahi-glib1-0.7-lp152.3.6.1
libavahi-glib1-debuginfo-0.7-lp152.3.6.1
libavahi-gobject-devel-0.7-lp152.3.6.1
libavahi-gobject0-0.7-lp152.3.6.1
libavahi-gobject0-debuginfo-0.7-lp152.3.6.1
libavahi-ui-gtk3-0-0.7-lp152.3.6.1
libavahi-ui-gtk3-0-debuginfo-0.7-lp152.3.6.1
libavahi-ui0-0.7-lp152.3.6.1
libavahi-ui0-debuginfo-0.7-lp152.3.6.1
libdns_sd-0.7-lp152.3.6.1
libdns_sd-debuginfo-0.7-lp152.3.6.1
libhowl0-0.7-lp152.3.6.1
libhowl0-debuginfo-0.7-lp152.3.6.1
python3-avahi-0.7-lp152.3.6.1
python3-avahi-gtk-0.7-lp152.3.6.1
typelib-1_0-Avahi-0_6-0.7-lp152.3.6.1

- openSUSE Leap 15.2 (noarch):

avahi-lang-0.7-lp152.3.6.1

- openSUSE Leap 15.2 (x86_64):

avahi-32bit-debuginfo-0.7-lp152.3.6.1
avahi-mono-0.7-lp152.3.6.1
avahi-qt4-debugsource-0.7-lp152.3.6.1
libavahi-client3-32bit-0.7-lp152.3.6.1
libavahi-client3-32bit-debuginfo-0.7-lp152.3.6.1
libavahi-common3-32bit-0.7-lp152.3.6.1
libavahi-common3-32bit-debuginfo-0.7-lp152.3.6.1
libavahi-glib1-32bit-0.7-lp152.3.6.1
libavahi-glib1-32bit-debuginfo-0.7-lp152.3.6.1
libavahi-qt4-1-0.7-lp152.3.6.1
libavahi-qt4-1-debuginfo-0.7-lp152.3.6.1
libavahi-qt4-devel-0.7-lp152.3.6.1
libdns_sd-32bit-0.7-lp152.3.6.1
libdns_sd-32bit-debuginfo-0.7-lp152.3.6.1

References:

  https://www.suse.com/security/cve/CVE-2021-26720.html
  https://bugzilla.suse.com/1180827