CVE-2022-3162 Unauthorized read of Custom Resources

2023-03-0100:00:00

CWE-23

kubernetes

www.cve.org

cve-2022-3162

unauthorized read

custom resources

customresourcedefinitions

api group

vulnerability

clusters

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

7.1

Confidence

High

EPSS

0.001

Percentile

48.1%

JSON

Users authorized to list or watch one type of namespaced custom resource cluster-wide can read custom resources of a different type in the same API group without authorization. Clusters are impacted by this vulnerability if all of the following are true: 1. There are 2+ CustomResourceDefinitions sharing the same API group 2. Users have cluster-wide list or watch authorization on one of those custom resources. 3. The same users are not authorized to read another custom resource in the same API group.

CNA Affected

[
  {
    "vendor": "Kubernetes",
    "product": "Kubernetes",
    "versions": [
      {
        "version": "unspecified",
        "lessThanOrEqual": "v1.25.3",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThanOrEqual": "v1.24.7",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThanOrEqual": "v1.23.13",
        "status": "affected",
        "versionType": "custom"
      },
      {
        "version": "unspecified",
        "lessThanOrEqual": "v1.22.15",
        "status": "affected",
        "versionType": "custom"
      }
    ]
  }
]