USN-4315-2: Apport vulnerabilities

USN-4315-2: Apport vulnerabilities

apport vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 14.04 ESM

Summary

Several security issues were fixed in Apport.

Software Description

• 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 ESM

apport – 2.14.1-0ubuntu3.29+esm4

python-apport – 2.14.1-0ubuntu3.29+esm4

python3-apport – 2.14.1-0ubuntu3.29+esm4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• USN-4315-1
• CVE-2020-8831
• CVE-2020-8833

Source: USN-4315-2: Apport vulnerabilities