ghsa-cgcv-5272-97pr
Vulnerability from github
Published
2023-07-03 21:30
Modified
2023-07-07 16:29
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Summary
Kubernetes mountable secrets policy bypass
Details

Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account’s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the kubernetes.io/enforce-mountable-secrets annotation are used together with ephemeral containers.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.27.0"
            },
            {
              "fixed": "1.27.3"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.26.0"
            },
            {
              "fixed": "1.26.6"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "1.25.0"
            },
            {
              "fixed": "1.25.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "k8s.io/kubernetes"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.24.15"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-2728"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-06T15:10:06Z",
    "nvd_published_at": "2023-07-03T21:15:09Z",
    "severity": "MODERATE"
  },
  "details": "Users may be able to launch containers that bypass the mountable secrets policy enforced by the ServiceAccount admission plugin when using ephemeral containers. The policy ensures pods running with a service account may only reference secrets specified in the service account\u2019s secrets field. Kubernetes clusters are only affected if the ServiceAccount admission plugin and the `kubernetes.io/enforce-mountable-secrets` annotation are used together with ephemeral containers.\n\n",
  "id": "GHSA-cgcv-5272-97pr",
  "modified": "2023-07-07T16:29:50Z",
  "published": "2023-07-03T21:30:57Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-2728"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/issues/118640"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/118356"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/118471"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/118473"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/118474"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/118512"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/kubernetes/kubernetes"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/g/kubernetes-security-announce/c/vPWYJ_L84m8"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2023/07/06/3"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Kubernetes mountable secrets policy bypass"
}


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