openSUSE Leap 15.3: 2021:1845-1 Important Avahi Privilege Issues
opensuse
July 11, 2021
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.
Topics Covered
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 15.3:
zypper in -t patch openSUSE-SLE-15.3-2021-1845=1
Package List
- openSUSE Leap 15.3 (aarch64 ppc64le s390x x86_64):
python-avahi-0.6.32-5.13.1
python-avahi-gtk-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
PREVIOUS
NEXT
Severity
important
Lowest
Low
Medium
High
Critical
Announcement ID: openSUSE-SU-2021:1845-1
Rating: important
Affected Products:
openSUSE Leap 15.3
.
Topics Covered
Get the latest News and Insights
Get the latest Linux and open source security news straight to your inbox.
Related News
Powered By
Linux Security - Your source for Top Linux News, Advisories, HOWTOs and Feature Releases
QUICK LINKS
subscribe to newsletters!
Like staying secure? So do we.
Sign up for updates, tips, and alerts!