CVE-2023-5528

Kubernetes - Windows nodes - Insufficient input sanitization in in-tree storage plugin leads to privilege escalation

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A security issue was discovered in Kubernetes where a user that can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.

Se descubrió un problema de seguridad en Kubernetes donde un usuario que puede crear pods y volúmenes persistentes en nodos de Windows puede escalar a privilegios de administrador en esos nodos. Los clústeres de Kubernetes solo se ven afectados si utilizan un complemento de almacenamiento en árbol para nodos de Windows.

A flaw was found in Kubernetes, where a user who can create pods and persistent volumes on Windows nodes may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they are using an in-tree storage plugin for Windows nodes.

*Credits: Tomer Peled

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-10-11 CVE Reserved
2023-11-14 CVE Published
2024-09-06 CVE Updated
2024-09-07 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

CAPEC-233: Privilege Escalation

References (8)

URL	Tag	Source
https://groups.google.com/g/kubernetes-security-announce/c/SL_d4NR8pzA	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3JH444PWZBINXLLFV7XLIJIZJHSK6UEZ	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XZIX727JIKF5RQW7RVVBLWXBCDIBJA7	Mailing List
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7MPGMITSZXUCAVO7Q75675SOLXC2XXU4	Mailing List
https://security.netapp.com/advisory/ntap-20240119-0009

URL	Date	SRC

URL	Date	SRC
https://github.com/kubernetes/kubernetes/issues/121879	2024-01-19

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2023-5528	2024-03-07
https://bugzilla.redhat.com/show_bug.cgi?id=2247163	2024-03-07

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"				>= 1.8.0 < 1.25.16 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.8.0 < 1.25.16"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.26.0 < 1.26.11 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.26.0 < 1.26.11"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.27.0 < 1.27.8 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.27.0 < 1.27.8"		-		Affected
Kubernetes Search vendor "Kubernetes"		Kubernetes Search vendor "Kubernetes" for product "Kubernetes"				>= 1.28.0 < 1.28.4 Search vendor "Kubernetes" for product "Kubernetes" and version " >= 1.28.0 < 1.28.4"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				37 Search vendor "Fedoraproject" for product "Fedora" and version "37"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				38 Search vendor "Fedoraproject" for product "Fedora" and version "38"		-		Affected
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				39 Search vendor "Fedoraproject" for product "Fedora" and version "39"		-		Affected