This bug was fixed in the package netplan.io - 0.104-0ubuntu2~20.04.5
---------------
netplan.io (0.104-0ubuntu2~20.04.5) focal-security; urgency=medium
* SECURITY UPDATE: weak permissions on secret files, command injection
- d/p/lp2065738/0015-libnetplan-use-more-restrictive-file-permissions.patch:
Use more restrictive file permissions to prevent unprivileged users to
read sensitive data from back end files (LP: #2065738, #1987842)
- CVE-2022-4968
- d/p/lp2066258/0016-libnetplan-escape-control-characters.patch:
Escape control characters in the parser and double quotes in backend files
- d/p/lp2066258/0017-libnetplan-escape-file-paths.patch:
Escape special characters in file paths
- d/p/lp2066258/0018-libnetplan-escape-semicolons-in-service-units.patch:
Escape isolated semicolons in systemd service units (LP: #2066258)
* debian/netplan.io.postinst: Add a postinst maintainer script to call the
generator. It's needed so the file permissions fixes will be applied
automatically, thanks to danilogondolfo
-- Sudhakar Verma <sudhakar.ve...@canonical.com> Mon, 24 Jun 2024
22:03:31 +0530
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https://bugs.launchpad.net/bugs/1987842
Title:
wireguard: netdev file can leak private key
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