USN-4315-1: Apport vulnerabilities
2 April 2020
Several security issues were fixed in Apport.
Releases
Packages
- apport - automatically generate crash reports for debugging
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 19.10
Ubuntu 18.04
Ubuntu 16.04
In general, a standard system update will make all the necessary changes.
References
Related notices
- USN-4315-2: python-apport, python-problem-report, python3-problem-report, apport-kde, apport, python3-apport, apport-retrace, apport-noui, dh-apport, apport-valgrind, apport-gtk