ghsa-wxc4-f4m6-wwqv
Vulnerability from github
Published
2021-12-20 16:55
Modified
2023-02-09 17:45
Severity ?
6.5 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Excessive Platform Resource Consumption within a Loop in Kubernetes
Details

The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.

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{
  "affected": [
    {
      "package": {
        "ecosystem": "Go",
        "name": "gopkg.in/yaml.v2"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.2.8"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Go",
        "name": "github.com/go-yaml/yaml"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2019-11254"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1050"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-07T17:24:04Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "The Kubernetes API Server component in versions 1.1-1.14, and versions prior to 1.15.10, 1.16.7 and 1.17.3 allows an authorized user who sends malicious YAML payloads to cause the kube-apiserver to consume excessive CPU cycles while parsing YAML.",
  "id": "GHSA-wxc4-f4m6-wwqv",
  "modified": "2023-02-09T17:45:10Z",
  "published": "2021-12-20T16:55:06Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-11254"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/issues/89535"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-yaml/yaml/pull/555"
    },
    {
      "type": "WEB",
      "url": "https://github.com/kubernetes/kubernetes/pull/87467/commits/b86df2bec4f377afc0ca03482ffad2f0a49a83b8"
    },
    {
      "type": "WEB",
      "url": "https://github.com/go-yaml/yaml/commit/53403b58ad1b561927d19068c655246f2db79d48"
    },
    {
      "type": "WEB",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18496"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/d/msg/kubernetes-announce/ALL9s73E5ck/4yHe8J-PBAAJ"
    },
    {
      "type": "WEB",
      "url": "https://pkg.go.dev/vuln/GO-2020-0036"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20200413-0003"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Excessive Platform Resource Consumption within a Loop in Kubernetes"
}


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