CVE-2023-3676 Kubernetes - Windows nodes - Insufficient input sanitization leads to privilege escalation

2023-10-3120:22:53

CWE-20

kubernetes

www.cve.org

cve-2023-3676

kubernetes

windows nodes

input sanitization

privilege escalation

8.8 High

CVSS3

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

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

25.0%

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"
      }
    ]
  }
]