[USN-6843-1] Plasma Workspace vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-6843-1
June 26, 2024

plasma-workspace vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

plasma-workspace would allow unintended access to the session manager.

Software Description:
- plasma-workspace: Plasma Workspace for KF5

Details:

Fabian Vogt discovered that Plasma Workspace incorrectly handled
connections via ICE. A local attacker could possibly use this issue to
gain access to another user's session manager and execute arbitrary code.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
   plasma-workspace                4:5.27.11-0ubuntu4.1

Ubuntu 23.10
   plasma-workspace                4:5.27.8-0ubuntu1.1

Ubuntu 22.04 LTS
   plasma-workspace                4:5.24.7-0ubuntu0.2

Ubuntu 20.04 LTS
   plasma-workspace                4:5.18.8-0ubuntu0.2

After a standard system update you need to reboot your computer to make all
the necessary changes.

References:
   https://ubuntu.com/security/notices/USN-6843-1
   CVE-2024-36041

Package Information:
   https://launchpad.net/ubuntu/+source/plasma-workspace/4:5.27.11-0ubuntu4.1
   https://launchpad.net/ubuntu/+source/plasma-workspace/4:5.27.8-0ubuntu1.1
   https://launchpad.net/ubuntu/+source/plasma-workspace/4:5.24.7-0ubuntu0.2
   https://launchpad.net/ubuntu/+source/plasma-workspace/4:5.18.8-0ubuntu0.2

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