Several security issues were fixed in Apport.
USN-4315-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM.
15 June 2020
A security issue affects these releases of Ubuntu and its derivatives:
Several security issues were fixed in Apport.
USN-4315-1 fixed several vulnerabilities in Apport. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Maximilien Bourgeteau discovered that the Apport lock file was created with insecure permissions. This could allow a local attacker to escalate their privileges via a symlink attack. (CVE-2020-8831)
Maximilien Bourgeteau discovered a race condition in Apport when setting crash report permissions. This could allow a local attacker to read arbitrary files via a symlink attack. (CVE-2020-8833)
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.