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openSUSE 15.2: 2021:0370-1 Moderate: Avahi Privilege Drop Threat

opensuse
Calendar Grey March 2, 2021
Dist Opensuse Esm H88
A recent update for avahi resolves a notable security vulnerability within openSUSE systems. Discover the specifics of the patch to secure your system promptly.
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.

Topics%20covered

Topics Covered

security advisory moderate privilege drop threat moderate threat update instructions avahi openSUSE

Patch

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

libav...

Read the Full Advisory

References

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

https://bugzilla.suse.com/1180827

Announcement ID: openSUSE-SU-2021:0370-1
Rating: moderate
Affected Products: openSUSE Leap 15.2 .

Topics%20covered

Topics Covered

security advisory moderate privilege drop threat moderate threat update instructions avahi openSUSE

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