USN-4457-1: Software Properties vulnerability

12 August 2020

Software Properties could be made to manipulate the display.



  • software-properties - manage the repositories that you install software from


Jason A. Donenfeld discovered that Software Properties incorrectly filtered
certain escape sequences when displaying PPA descriptions. If a user were
tricked into adding an arbitrary PPA, a remote attacker could possibly
manipulate the screen.

Update instructions

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

Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

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


Related notices

  • USN-4457-2: software-properties-common, python3-software-properties, python-software-properties, software-properties