CVE-2023-2431

Bypass of seccomp profile enforcement

Severity Score

5.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

NVD
RedHat

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.

A flaw was found in Kubernetes. This issue occurs when Kubernetes allows a local authenticated attacker to bypass security restrictions, caused by a flaw when using the localhost type for a seccomp profile but specifying an empty profile field. An attacker can bypass the seccomp profile enforcement by sending a specially crafted request.

*Credits: Tim Allclair, Craig Ingram

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-30 CVE Reserved
2023-06-16 CVE Published
2023-06-28 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-1287: Improper Validation of Specified Type of Input

CAPEC

References (6)

URL	Tag	Source
https://github.com/kubernetes/kubernetes/issues/118690	Issue Tracking
https://groups.google.com/g/kubernetes-security-announce/c/QHmx0HOQa10	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/43HDSKBKPSW53OW647B5ETHRWFFNHSRQ
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XBX4RL4UOC7JHWWYB2AJCKSUM7EG5Y5G	Mailing List

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2023-2431	2023-10-30
https://bugzilla.redhat.com/show_bug.cgi?id=2215555	2023-10-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				< 1.24.14 Search vendor "Kubernetes" for product "Kubernetes" and version " < 1.24.14"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.25.0 < 1.25.10 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.25.0 < 1.25.10"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.26.0 < 1.26.5 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.26.0 < 1.26.5"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.27.0 < 1.27.2 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.27.0 < 1.27.2"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				38 Search vendor "Fedoraproject" for product "Fedora" and version "38"		-		Affected