Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-0811

Severity CVSS v4.0:
Pending analysis
Type:
CWE-94 Code Injection
Publication date:
16/03/2022
Last modified:
28/03/2022

Description

A flaw was found in CRI-O in the way it set kernel options for a pod. This issue allows anyone with rights to deploy a pod on a Kubernetes cluster that uses the CRI-O runtime to achieve a container escape and arbitrary code execution as root on the cluster node, where the malicious pod was deployed.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:kubernetes:cri-o:*:*:*:*:*:*:*:* 1.19.0 (including) 1.19.6 (excluding)
cpe:2.3:a:kubernetes:cri-o:*:*:*:*:*:*:*:* 1.20.0 (including) 1.20.7 (excluding)
cpe:2.3:a:kubernetes:cri-o:*:*:*:*:*:*:*:* 1.21.0 (including) 1.21.6 (excluding)
cpe:2.3:a:kubernetes:cri-o:*:*:*:*:*:*:*:* 1.22.0 (including) 1.22.3 (excluding)
cpe:2.3:a:kubernetes:cri-o:*:*:*:*:*:*:*:* 1.23.0 (including) 1.23.2 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools