1) Origin validation error

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2021-20199

CWE-ID: CWE-346 - Origin Validation Error

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to missing authentication when connecting from all sources. A remote attacker can send a specially crafted request and bypass access restrictions to containerized applications.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Podman: 1.8.0, 1.8.0 rc1, 1.8.1, 1.8.1 rc1, 1.8.1 rc2, 1.8.1 rc3, 1.8.1 rc4, 1.8.2, 1.8.2 rc1, 1.9.0, 1.9.0 rc1, 1.9.0 rc2, 1.9.1, 1.9.2, 1.9.3, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.0.5, 2.0.6, 2.1.0, 2.1.1, 2.2.0, 2.2.1

CPE

• cpe:2.3:a:containers:podman:1.8.0:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.2.1:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.2.0:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.1.1:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.1.0:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.6:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.5:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.4:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.3:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.0:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.1:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:2.0.2:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.3:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.2:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.1:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.0:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.0:rc2:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.9.0:rc1:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.2:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.2:rc1:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.1:*:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.1:rc4:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.1:rc3:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.1:rc2:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.1:rc1:*:*:*::*:*
• cpe:2.3:a:containers:podman:1.8.0:rc1:*:*:*::*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=1919050
https://github.com/containers/podman/issues/5138
https://github.com/containers/podman/pull/9052
https://github.com/rootless-containers/rootlesskit/pull/206
https://github.com/containers/podman/releases/tag/v3.0.0

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.