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USN-4315-2: Apport vulnerabilities

15 June 2020

Several security issues were fixed in Apport.

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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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 14.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-4315-1: apport-valgrind, apport, apport-noui, python3-apport, dh-apport, apport-gtk, python-apport, apport-kde, python3-problem-report, apport-retrace, python-problem-report