CVE-2023-3893 Kubernetes - csi-proxy - Insufficient input sanitization leads to privilege escalation

2023-11-0317:34:10

CWE-20

kubernetes

www.cve.org

cve-2023-3893

kubernetes

input sanitization

privilege escalation

windows nodes

admin privileges

csi-proxy

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

8.9 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

23.3%

JSON

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.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "csi-proxy",
    "repo": "https://github.com/kubernetes-csi/csi-proxy",
    "vendor": "Kubernetes",
    "versions": [
      {
        "status": "affected",
        "version": "v2.0.0-alpha.0"
      },
      {
        "lessThanOrEqual": "v1.1.2",
        "status": "affected",
        "version": "0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "v2.0.0-alpha.1"
      },
      {
        "status": "unaffected",
        "version": "v1.1.3"
      }
    ]
  }
]