Remote code execution in CRI-O

1) Code Injection

EUVDB-ID: #VU61439

Risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-0811

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a container escape flaw related to kernel options setting for a pod. A remote user can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

CRI-O: 1.19.0 - 1.23.1

CPE2.3

• cpe:2.3:a:cri-o:cri-o:*:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.19.1:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.19.2:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.19.3:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.19.4:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.19.5:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.0:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.1:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.2:*:*:*:*:*:*:*
• cpe:2.3:a:cri-o:cri-o:1.20.3:*:*:*:*:*:*:*

External links

https://bugzilla.redhat.com/show_bug.cgi?id=2059475
https://github.com/cri-o/cri-o/security/advisories/GHSA-6x2m-w449-qwx7

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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