[USN-5122-2] Apport vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Oct 26 14:55:08 UTC 2021
Ubuntu Security Notice USN-5122-2
October 26, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM
Apport could be made to create files as the administrator.
- apport: automatically generate crash reports for debugging
USN-5122-1 fixed a vulnerability in Apport. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Apport could be tricked into writing core files as
root into arbitrary directories in certain scenarios. A local attacker
could possibly use this issue to escalate privileges. On Ubuntu 16.04 ESM
This update will cause Apport to generate all core files in the /var/lib/apport/coredump
directory. On Ubuntu 14.04 ESM, core file generation has been disabled by default.
The problem can be corrected by updating your system to the following
Ubuntu 16.04 ESM:
Ubuntu 14.04 ESM:
In general, a standard system update will make all the necessary changes.
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