Ubuntu update for libpod

1) Insufficient verification of data authenticity

EUVDB-ID: #VU77535

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: N/A

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to implementation of changes that removed the need of k8s/pause, however podman play kube was still trying to fetch it. An attacker with ability to control the source of an image could trick the application into using the default untusted infra image.

Mitigation

Update the affected package libpod to the latest version.

Vulnerable software versions

Ubuntu: 22.04

podman-docker (Ubuntu package): before 3.4.4+ds1-1ubuntu1.22.04.1

podman (Ubuntu package): before 3.4.4+ds1-1ubuntu1.22.04.1

CPE2.3

• cpe:2.3:o:canonical:ubuntu:22.04:*:*:*:*:*:*:*
• cpe:2.3:a:canonical:podman-docker_ubuntu_package:*:*:*:*:*:ubuntu:*:*
• cpe:2.3:a:canonical:podman_ubuntu_package:*:*:*:*:*:ubuntu:*:*

External links

https://ubuntu.com/security/notices/USN-6170-1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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