apport vulnerabilities

Related Vulnerabilities: CVE-2020-8831   CVE-2020-8833  

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

apport vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM

Summary

Several security issues were fixed in Apport.

Software Description

  • apport - automatically generate crash reports for debugging

Details

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)

Update instructions

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

Ubuntu 14.04 ESM
apport - 2.14.1-0ubuntu3.29+esm4
python-apport - 2.14.1-0ubuntu3.29+esm4
python3-apport - 2.14.1-0ubuntu3.29+esm4

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.

References