USN-4844-1: Cinnamon vulnerability

Publication date

15 March 2021

Overview

Cinnamon could be made to overwrite files as root.


Packages

  • cinnamon - Innovative and comfortable desktop

Details

Matthias Gerstner discovered that the cinnamon-settings-users utility in
Cinnamon did not safely handle symlinks. An unprivileged attacker could
potentially use this vulnerability to overwrite arbitrary files as root.

Matthias Gerstner discovered that the cinnamon-settings-users utility in
Cinnamon did not safely handle symlinks. An unprivileged attacker could
potentially use this vulnerability to overwrite arbitrary files as root.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 LTS bionic cinnamon-common –  3.6.7-8ubuntu1+esm1  
cinnamon –  3.6.7-8ubuntu1+esm1  
16.04 LTS xenial cinnamon-common –  2.8.6-1ubuntu1+esm1  
cinnamon –  2.8.6-1ubuntu1+esm1  

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