USN-4315-2: Apport vulnerabilities
15 June 2020
Several security issues were fixed in Apport.
Releases
Packages
- 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
-
python-apport
-
2.14.1-0ubuntu3.29+esm4
-
python3-apport
-
2.14.1-0ubuntu3.29+esm4
-
apport
-
2.14.1-0ubuntu3.29+esm4
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4315-1: apport-gtk, python3-problem-report, apport, python3-apport, dh-apport, python-apport, apport-noui, apport-kde, python-problem-report, apport-retrace, apport-valgrind