Ubuntu 4457-1: Software Properties vulnerability
Summary
Update Instructions
The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: python3-software-properties 0.98.9.2 software-properties-common 0.98.9.2 Ubuntu 18.04 LTS: python3-software-properties 0.96.24.32.14 software-properties-common 0.96.24.32.14 Ubuntu 16.04 LTS: python-software-properties 0.96.20.10 python3-software-properties 0.96.20.10 software-properties-common 0.96.20.10 In general, a standard system update will make all the necessary changes.
References
https://ubuntu.com/security/notices/USN-4457-1
CVE-2020-15709
Package Information
https://launchpad.net/ubuntu/+source/software-properties/0.98.9.2 https://launchpad.net/ubuntu/+source/software-properties/0.96.24.32.14 https://launchpad.net/ubuntu/+source/software-properties/0.96.20.10