CVE-2023-3955 Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation

2023-10-3120:36:54

CWE-20

kubernetes

www.cve.org

kubernetes

security

vulnerability

windows nodes

privilege escalation

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AI Score

8.8

Confidence

High

EPSS

0.001

Percentile

33.8%

JSON

A security issue was discovered in Kubernetes where a user
that can create pods on Windows nodes may be able to escalate to admin
privileges on those nodes. Kubernetes clusters are only affected if they
include Windows nodes.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "kubelet",
    "repo": "https://github.com/kubernetes/kubernetes",
    "vendor": "Kubernetes",
    "versions": [
      {
        "status": "affected",
        "version": "v1.28.0"
      },
      {
        "lessThanOrEqual": "v1.27.4",
        "status": "affected",
        "version": "v1.27.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "v1.26.7",
        "status": "affected",
        "version": "v1.26.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "v1.25.12",
        "status": "affected",
        "version": "v1.25.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "v1.28.1"
      },
      {
        "status": "unaffected",
        "version": "v1.27.5"
      },
      {
        "status": "unaffected",
        "version": "v1.26.8"
      },
      {
        "status": "unaffected",
        "version": "v1.25.13"
      },
      {
        "status": "unaffected",
        "version": "v1.24.17"
      },
      {
        "lessThanOrEqual": "v1.24.16",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      }
    ]
  }
]