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Ubuntu Security Notice USN-6963-1
August 15, 2024
gnome-shell vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
Summary:
GNOME Shell could allow unintended access to network services.
Software Description:
- gnome-shell: graphical shell for the GNOME desktop
Details:
It was discovered that GNOME Shell incorrectly opened the portal helper
automatically when detecting a captive network portal. A remote attacker
could possibly use this issue to load arbitrary web pages containing
JavaScript, leading to resource consumption or other attacks.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 24.04 LTS
   gnome-shell                     46.0-0ubuntu6~24.04.3
Ubuntu 22.04 LTS
   gnome-shell                     42.9-0ubuntu2.2
Ubuntu 20.04 LTS
   gnome-shell                     3.36.9-0ubuntu0.20.04.4
After a standard system update you need to restart your session to make all
the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6963-1
   CVE-2024-36472
Package Information:
   https://launchpad.net/ubuntu/+source/gnome-shell/46.0-0ubuntu6~24.04.3
   https://launchpad.net/ubuntu/+source/gnome-shell/42.9-0ubuntu2.2
   https://launchpad.net/ubuntu/+source/gnome-shell/3.36.9-0ubuntu0.20.04.4