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Sicherheit: Zwei Probleme in avahi
Aktuelle Meldungen Distributionen
Name: Zwei Probleme in avahi
ID: SUSE-SU-2021:1845-1
Distribution: SUSE
Plattformen: SUSE Linux Enterprise Server 15-LTSS, SUSE Linux Enterprise High Performance Computing 15-ESPOS, SUSE Linux Enterprise Server for SAP 15, SUSE Linux Enterprise High Performance Computing 15-LTSS
Datum: Do, 3. Juni 2021, 23:32
Referenzen: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-26720
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3468
Applikationen: Avahi

Originalnachricht


SUSE Security Update: Security update for avahi
______________________________________________________________________________

Announcement ID: SUSE-SU-2021:1845-1
Rating: important
References: #1180827 #1184521
Cross-References: CVE-2021-26720 CVE-2021-3468
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): 7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-3468 (SUSE): 6.2
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products:
SUSE Linux Enterprise Server for SAP 15
SUSE Linux Enterprise Server 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-LTSS
SUSE Linux Enterprise High Performance Computing 15-ESPOS
______________________________________________________________________________

An update that fixes two vulnerabilities is now available.

Description:

This update for avahi fixes the following issues:

- CVE-2021-3468: avoid infinite loop by handling HUP event in client_work
(bsc#1184521).
- 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.


Patch Instructions:

To install this SUSE 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:

- SUSE Linux Enterprise Server for SAP 15:

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-2021-1845=1

- SUSE Linux Enterprise Server 15-LTSS:

zypper in -t patch SUSE-SLE-Product-SLES-15-2021-1845=1

- SUSE Linux Enterprise High Performance Computing 15-LTSS:

zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1845=1

- SUSE Linux Enterprise High Performance Computing 15-ESPOS:

zypper in -t patch SUSE-SLE-Product-HPC-15-2021-1845=1



Package List:

- SUSE Linux Enterprise Server for SAP 15 (ppc64le x86_64):

avahi-0.6.32-5.13.1
avahi-autoipd-0.6.32-5.13.1
avahi-autoipd-debuginfo-0.6.32-5.13.1
avahi-compat-howl-devel-0.6.32-5.13.1
avahi-compat-mDNSResponder-devel-0.6.32-5.13.1
avahi-debuginfo-0.6.32-5.13.1
avahi-debugsource-0.6.32-5.13.1
avahi-glib2-debugsource-0.6.32-5.13.1
avahi-utils-0.6.32-5.13.1
avahi-utils-debuginfo-0.6.32-5.13.1
avahi-utils-gtk-0.6.32-5.13.1
avahi-utils-gtk-debuginfo-0.6.32-5.13.1
libavahi-client3-0.6.32-5.13.1
libavahi-client3-debuginfo-0.6.32-5.13.1
libavahi-common3-0.6.32-5.13.1
libavahi-common3-debuginfo-0.6.32-5.13.1
libavahi-core7-0.6.32-5.13.1
libavahi-core7-debuginfo-0.6.32-5.13.1
libavahi-devel-0.6.32-5.13.1
libavahi-glib-devel-0.6.32-5.13.1
libavahi-glib1-0.6.32-5.13.1
libavahi-glib1-debuginfo-0.6.32-5.13.1
libavahi-gobject-devel-0.6.32-5.13.1
libavahi-gobject0-0.6.32-5.13.1
libavahi-gobject0-debuginfo-0.6.32-5.13.1
libavahi-ui-gtk3-0-0.6.32-5.13.1
libavahi-ui-gtk3-0-debuginfo-0.6.32-5.13.1
libavahi-ui0-0.6.32-5.13.1
libavahi-ui0-debuginfo-0.6.32-5.13.1
libdns_sd-0.6.32-5.13.1
libdns_sd-debuginfo-0.6.32-5.13.1
libhowl0-0.6.32-5.13.1
libhowl0-debuginfo-0.6.32-5.13.1
typelib-1_0-Avahi-0_6-0.6.32-5.13.1

- SUSE Linux Enterprise Server for SAP 15 (noarch):

avahi-lang-0.6.32-5.13.1

- SUSE Linux Enterprise Server for SAP 15 (x86_64):

avahi-32bit-debuginfo-0.6.32-5.13.1
libavahi-client3-32bit-0.6.32-5.13.1
libavahi-client3-32bit-debuginfo-0.6.32-5.13.1
libavahi-common3-32bit-0.6.32-5.13.1
libavahi-common3-32bit-debuginfo-0.6.32-5.13.1

- SUSE Linux Enterprise Server 15-LTSS (aarch64 s390x):

avahi-0.6.32-5.13.1
avahi-autoipd-0.6.32-5.13.1
avahi-autoipd-debuginfo-0.6.32-5.13.1
avahi-compat-howl-devel-0.6.32-5.13.1
avahi-compat-mDNSResponder-devel-0.6.32-5.13.1
avahi-debuginfo-0.6.32-5.13.1
avahi-debugsource-0.6.32-5.13.1
avahi-glib2-debugsource-0.6.32-5.13.1
avahi-utils-0.6.32-5.13.1
avahi-utils-debuginfo-0.6.32-5.13.1
avahi-utils-gtk-0.6.32-5.13.1
avahi-utils-gtk-debuginfo-0.6.32-5.13.1
libavahi-client3-0.6.32-5.13.1
libavahi-client3-debuginfo-0.6.32-5.13.1
libavahi-common3-0.6.32-5.13.1
libavahi-common3-debuginfo-0.6.32-5.13.1
libavahi-core7-0.6.32-5.13.1
libavahi-core7-debuginfo-0.6.32-5.13.1
libavahi-devel-0.6.32-5.13.1
libavahi-glib-devel-0.6.32-5.13.1
libavahi-glib1-0.6.32-5.13.1
libavahi-glib1-debuginfo-0.6.32-5.13.1
libavahi-gobject-devel-0.6.32-5.13.1
libavahi-gobject0-0.6.32-5.13.1
libavahi-gobject0-debuginfo-0.6.32-5.13.1
libavahi-ui-gtk3-0-0.6.32-5.13.1
libavahi-ui-gtk3-0-debuginfo-0.6.32-5.13.1
libavahi-ui0-0.6.32-5.13.1
libavahi-ui0-debuginfo-0.6.32-5.13.1
libdns_sd-0.6.32-5.13.1
libdns_sd-debuginfo-0.6.32-5.13.1
libhowl0-0.6.32-5.13.1
libhowl0-debuginfo-0.6.32-5.13.1
typelib-1_0-Avahi-0_6-0.6.32-5.13.1

- SUSE Linux Enterprise Server 15-LTSS (noarch):

avahi-lang-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-LTSS (aarch64 x86_64):

avahi-0.6.32-5.13.1
avahi-autoipd-0.6.32-5.13.1
avahi-autoipd-debuginfo-0.6.32-5.13.1
avahi-compat-howl-devel-0.6.32-5.13.1
avahi-compat-mDNSResponder-devel-0.6.32-5.13.1
avahi-debuginfo-0.6.32-5.13.1
avahi-debugsource-0.6.32-5.13.1
avahi-glib2-debugsource-0.6.32-5.13.1
avahi-utils-0.6.32-5.13.1
avahi-utils-debuginfo-0.6.32-5.13.1
avahi-utils-gtk-0.6.32-5.13.1
avahi-utils-gtk-debuginfo-0.6.32-5.13.1
libavahi-client3-0.6.32-5.13.1
libavahi-client3-debuginfo-0.6.32-5.13.1
libavahi-common3-0.6.32-5.13.1
libavahi-common3-debuginfo-0.6.32-5.13.1
libavahi-core7-0.6.32-5.13.1
libavahi-core7-debuginfo-0.6.32-5.13.1
libavahi-devel-0.6.32-5.13.1
libavahi-glib-devel-0.6.32-5.13.1
libavahi-glib1-0.6.32-5.13.1
libavahi-glib1-debuginfo-0.6.32-5.13.1
libavahi-gobject-devel-0.6.32-5.13.1
libavahi-gobject0-0.6.32-5.13.1
libavahi-gobject0-debuginfo-0.6.32-5.13.1
libavahi-ui-gtk3-0-0.6.32-5.13.1
libavahi-ui-gtk3-0-debuginfo-0.6.32-5.13.1
libavahi-ui0-0.6.32-5.13.1
libavahi-ui0-debuginfo-0.6.32-5.13.1
libdns_sd-0.6.32-5.13.1
libdns_sd-debuginfo-0.6.32-5.13.1
libhowl0-0.6.32-5.13.1
libhowl0-debuginfo-0.6.32-5.13.1
typelib-1_0-Avahi-0_6-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-LTSS (x86_64):

avahi-32bit-debuginfo-0.6.32-5.13.1
libavahi-client3-32bit-0.6.32-5.13.1
libavahi-client3-32bit-debuginfo-0.6.32-5.13.1
libavahi-common3-32bit-0.6.32-5.13.1
libavahi-common3-32bit-debuginfo-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-LTSS (noarch):

avahi-lang-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-ESPOS (aarch64
x86_64):

avahi-0.6.32-5.13.1
avahi-autoipd-0.6.32-5.13.1
avahi-autoipd-debuginfo-0.6.32-5.13.1
avahi-compat-howl-devel-0.6.32-5.13.1
avahi-compat-mDNSResponder-devel-0.6.32-5.13.1
avahi-debuginfo-0.6.32-5.13.1
avahi-debugsource-0.6.32-5.13.1
avahi-glib2-debugsource-0.6.32-5.13.1
avahi-utils-0.6.32-5.13.1
avahi-utils-debuginfo-0.6.32-5.13.1
avahi-utils-gtk-0.6.32-5.13.1
avahi-utils-gtk-debuginfo-0.6.32-5.13.1
libavahi-client3-0.6.32-5.13.1
libavahi-client3-debuginfo-0.6.32-5.13.1
libavahi-common3-0.6.32-5.13.1
libavahi-common3-debuginfo-0.6.32-5.13.1
libavahi-core7-0.6.32-5.13.1
libavahi-core7-debuginfo-0.6.32-5.13.1
libavahi-devel-0.6.32-5.13.1
libavahi-glib-devel-0.6.32-5.13.1
libavahi-glib1-0.6.32-5.13.1
libavahi-glib1-debuginfo-0.6.32-5.13.1
libavahi-gobject-devel-0.6.32-5.13.1
libavahi-gobject0-0.6.32-5.13.1
libavahi-gobject0-debuginfo-0.6.32-5.13.1
libavahi-ui-gtk3-0-0.6.32-5.13.1
libavahi-ui-gtk3-0-debuginfo-0.6.32-5.13.1
libavahi-ui0-0.6.32-5.13.1
libavahi-ui0-debuginfo-0.6.32-5.13.1
libdns_sd-0.6.32-5.13.1
libdns_sd-debuginfo-0.6.32-5.13.1
libhowl0-0.6.32-5.13.1
libhowl0-debuginfo-0.6.32-5.13.1
typelib-1_0-Avahi-0_6-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-ESPOS (x86_64):

avahi-32bit-debuginfo-0.6.32-5.13.1
libavahi-client3-32bit-0.6.32-5.13.1
libavahi-client3-32bit-debuginfo-0.6.32-5.13.1
libavahi-common3-32bit-0.6.32-5.13.1
libavahi-common3-32bit-debuginfo-0.6.32-5.13.1

- SUSE Linux Enterprise High Performance Computing 15-ESPOS (noarch):

avahi-lang-0.6.32-5.13.1


References:

https://www.suse.com/security/cve/CVE-2021-26720.html
https://www.suse.com/security/cve/CVE-2021-3468.html
https://bugzilla.suse.com/1180827
https://bugzilla.suse.com/1184521
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