Security features bypass in python3-apport (Ubuntu package) and apport (Ubuntu package) - CVE-2022-28657

Vulnerability identifier: #VU63371

CSH Severity: Low

CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-28657

CWE-ID: CWE-254

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code with escalated privileges.

The vulnerability exists due to Apport does not disable the python crash handler before chrooting into a container. A local user can bypass implemented security restrictions and execute arbitrary code with escalated privileges.

python3-apport (Ubuntu package)
apport (Ubuntu package)
python-apport (Ubuntu package)
Ubuntu

Install updates from vendor's website.

python3-apport (Ubuntu package) - addressed in versions 2.20.9-0ubuntu7.28, 2.20.11-0ubuntu27.24, 2.20.11-0ubuntu71.2, 2.20.11-0ubuntu82.1, Ubuntu Pro
apport (Ubuntu package) - addressed in versions 2.20.9-0ubuntu7.28, 2.20.11-0ubuntu27.24, 2.20.11-0ubuntu71.2, 2.20.11-0ubuntu82.1, Ubuntu Pro
python-apport (Ubuntu package) - update to Ubuntu Pro

• https://ubuntu.com/security/notices/USN-5427-1

• Ubuntu update for apport
• Ubuntu update for apport