[USN-4315-2] Apport vulnerabilities
Leonidas S. Barbosa
leo.barbosa at canonical.com
Mon Jun 15 15:43:38 UTC 2020
Ubuntu Security Notice USN-4315-2
June 15, 2020
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 ESM
Several security issues were fixed in Apport.
- apport: automatically generate crash reports for debugging
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
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.
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