CVE-2023-5528 : A security issue was discovered in Kubernetes where a user that can create pods

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.

Published 2023-11-14 21:15:14

Updated 2025-01-03 19:42:13

Source Kubernetes

View at NVD, CVE.org

Products affected by CVE-2023-5528

Fedoraproject » Fedora » Version: 37
cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 38
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*
Matching versions
Fedoraproject » Fedora » Version: 39
cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.8.0 and before (<) 1.25.16
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Kubernetes » Kubernetes
Versions from including (>=) 1.26.0 and before (<) 1.26.11
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Kubernetes » Kubernetes
Versions from including (>=) 1.27.0 and before (<) 1.27.8
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A
Kubernetes » Kubernetes
Versions from including (>=) 1.28.0 and before (<) 1.28.4
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
When used together with: Microsoft » Windows » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2023-5528

EPSS FAQ

0.07%

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

~ 33 %

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

CVSS scores for CVE-2023-5528

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	1.2	5.9	Kubernetes
Attack Vector: Network Attack Complexity: Low Privileges Required: High User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
8.8	HIGH	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	2.8	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2023-5528

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: jordan@liggitt.net (Secondary)

References for CVE-2023-5528

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7MPGMITSZXUCAVO7Q75675SOLXC2XXU4/

[SECURITY] Fedora 38 Update: kubernetes-1.26.11-1.fc38 - package-announce - Fedora Mailing-Lists
Patch;Release Notes
https://groups.google.com/g/kubernetes-security-announce/c/SL_d4NR8pzA

[Security Advisory] CVE-2023-5528: Insufficient input sanitization in in-tree storage plugin leads to privilege escalation on Windows nodes
Mailing List
https://security.netapp.com/advisory/ntap-20240119-0009/

CVE-2023-5528 Kubernetes Vulnerability in NetApp Products | NetApp Product Security
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3JH444PWZBINXLLFV7XLIJIZJHSK6UEZ/

[SECURITY] Fedora 39 Update: kubernetes-1.27.8-1.fc39 - package-announce - Fedora Mailing-Lists
Patch;Release Notes
https://github.com/kubernetes/kubernetes/issues/121879

CVE-2023-5528: Insufficient input sanitization in in-tree storage plugin leads to privilege escalation on Windows nodes · Issue #121879 · kubernetes/kubernetes · GitHub
Issue Tracking;Patch
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4XZIX727JIKF5RQW7RVVBLWXBCDIBJA7/

[SECURITY] Fedora 37 Update: kubernetes-1.25.16-1.fc37 - package-announce - Fedora Mailing-Lists
Patch;Release Notes

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Vulnerability Details : CVE-2023-5528

Products affected by CVE-2023-5528

Exploit prediction scoring system (EPSS) score for CVE-2023-5528

CVSS scores for CVE-2023-5528

CWE ids for CVE-2023-5528

References for CVE-2023-5528