CVE-2023-2431 : A security issue was discovered in Kubelet that allows pods to bypass the seccom

A security issue was discovered in Kubelet that allows pods to bypass the seccomp profile enforcement. Pods that use localhost type for seccomp profile but specify an empty profile field, are affected by this issue. In this scenario, this vulnerability allows the pod to run in unconfined (seccomp disabled) mode. This bug affects Kubelet.

Published 2023-06-16 08:15:09

Updated 2024-12-12 16:15:08

Source Kubernetes

View at NVD, CVE.org

Products affected by CVE-2023-2431

Fedoraproject » Fedora » Version: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.27.0 and before (<) 1.27.2
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions before (<) 1.24.14
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.26.0 and before (<) 1.26.5
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.25.0 and before (<) 1.25.10
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2023-2431

EPSS FAQ

0.01%

Probability of exploitation activity in the next 30 days EPSS Score History

~ %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-2431

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
3.4	LOW	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N	0.8	2.5	Kubernetes
Attack Vector: Local Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: None
5.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N	1.8	3.6	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

CWE ids for CVE-2023-2431

CWE-1287 Improper Validation of Specified Type of Input

The product receives input that is expected to be of a certain type, but it does not validate or incorrectly validates that the input is actually of the expected type.

Assigned by: jordan@liggitt.net (Secondary)

References for CVE-2023-2431

https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10

[Security Advisory] CVE-2023-2431: Bypass of seccomp profile enforcement
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G/

[SECURITY] Fedora 38 Update: kubernetes-1.26.6-1.fc38 - package-announce - Fedora Mailing-Lists
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ/

[SECURITY] Fedora 37 Update: kubernetes-1.25.11-1.fc37 - package-announce - Fedora Mailing-Lists
https://github.com/kubernetes/kubernetes/issues/118690

CVE-2023-2431: Bypass of seccomp profile enforcement · Issue #118690 · kubernetes/kubernetes · GitHub
Issue Tracking

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Vulnerability Details : CVE-2023-2431

Products affected by CVE-2023-2431

Exploit prediction scoring system (EPSS) score for CVE-2023-2431

CVSS scores for CVE-2023-2431

CWE ids for CVE-2023-2431

References for CVE-2023-2431