1. Ubuntu Security Notices
  2. USN-4457-1

USN-4457-1: Software Properties vulnerability

Publication date

12 August 2020

Overview

Software Properties could be made to manipulate the display.

Releases

Packages

Details

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.

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

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
20.04 focal python3-software-properties –  0.98.9.2
software-properties-common –  0.98.9.2
18.04 bionic python3-software-properties –  0.96.24.32.14
software-properties-common –  0.96.24.32.14
16.04 xenial python-software-properties –  0.96.20.10
python3-software-properties –  0.96.20.10
software-properties-common –  0.96.20.10

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References

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