#VU63362 Security features bypass in apport (Ubuntu package) and python3-apport (Ubuntu package) - CVE-2022-1242

Vulnerability identifier: #VU63362

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-1242

CWE-ID: CWE-254

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
apport (Ubuntu package)
Operating systems & Components / Operating system package or component
python3-apport (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor: Canonical Ltd.

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to incorrect handling of connections to Apport sockets inside containers. A local user can trick apport into connecting to arbitrary sockets as the root user.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

apport (Ubuntu package): before 2.20.9-0ubuntu7.28

python3-apport (Ubuntu package): before 2.20.9-0ubuntu7.28

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

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.