PT-2023-4505 · Unknown · Kubernetes

James Sturtevant + 3 · Published 2023-08-23 · Updated 2024-08-21 · CVE-2023-3893

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Kubernetes (affected versions not specified)

Description A security issue was discovered in Kubernetes where a user that can create pods on Windows nodes running kubernetes-csi-proxy may be able to escalate to admin privileges on those nodes. Kubernetes clusters are only affected if they include Windows nodes running kubernetes-csi-proxy. The issue is related to improper input validation in the Container Storage Interface (CSI) proxy.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Privilege Management

RCE

Weakness Enumeration

CWE-269

CWE-20

Related Identifiers

BDU:2023-04908

CVE-2023-3893

GHSA-R6CC-7WJ7-GFX2

GO-2023-2176

Affected Products

Kubernetes

References · 44

• https://github.com/kubernetes/kubernetes/issues/119594 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2023-3893 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2023-3893 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-3893 · Security Note
• https://osv.dev/vulnerability/GHSA-r6cc-7wj7-gfx2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2023-3893 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2023-3893 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-04908 · Security Note
• https://osv.dev/vulnerability/CVE-2023-3893 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2023-3893 · Vendor Advisory
• https://osv.dev/vulnerability/GO-2023-2176 · Vendor Advisory
• https://github.com/kubernetes-csi/csi-proxy/commit/2523e6674dedf3de27f84235efec28555da24664 · Note
• https://github.com/kubernetes-csi/csi-proxy/commit/0e83a68159111e4ee510f5aa56d47ba97bda60c7 · Note
• https://github.com/kubernetes-csi/csi-proxy · Note
• https://groups.google.com/g/kubernetes-security-announce/c/lWksE2BoCyQ · Note