nvd-json-data-feeds/CVE-2021/CVE-2021-42xx/CVE-2021-4235.json

{
  "id": "CVE-2021-4235",
  "sourceIdentifier": "security@golang.org",
  "published": "2022-12-27T22:15:11.960",
  "lastModified": "2023-07-06T00:15:09.707",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "attackVector": "LOCAL",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:yaml_project:yaml:*:*:*:*:*:go:*:*",
              "versionEndExcluding": "2.2.3",
              "matchCriteriaId": "6ADB4662-19BA-4FB2-88FB-0D8309DE5DB0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241",
      "source": "security@golang.org",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/go-yaml/yaml/pull/375",
      "source": "security@golang.org",
      "tags": [
        "Exploit",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html",
      "source": "security@golang.org"
    },
    {
      "url": "https://pkg.go.dev/vuln/GO-2021-0061",
      "source": "security@golang.org",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}