{
  "id": "CVE-2022-2421",
  "sourceIdentifier": "csirt@divd.nl",
  "published": "2022-10-26T10:15:16.780",
  "lastModified": "2024-01-02T19:15:09.597",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Due to improper type validation in attachment parsing the Socket.io js library, it is possible to overwrite the _placeholder object which allows an attacker to place references to functions at arbitrary places in the resulting query object."
    },
    {
      "lang": "es",
      "value": "Debido a una incorrecta comprobaci\u00f3n de tipos en el an\u00e1lisis de archivos adjuntos de la biblioteca js Socket.io, es posible sobrescribir el objeto _placeholder, lo que permite a un atacante colocar referencias a funciones en lugares arbitrarios en el objeto de consulta resultante"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      },
      {
        "source": "csirt@divd.nl",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 10.0,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 6.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    },
    {
      "source": "csirt@divd.nl",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*",
              "versionEndExcluding": "4.0.5",
              "matchCriteriaId": "E82B81A1-19A5-47BC-92B8-57A8AE3A84A2"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:socket:socket.io-parser:*:*:*:*:*:node.js:*:*",
              "versionStartIncluding": "4.1.0",
              "versionEndExcluding": "4.2.1",
              "matchCriteriaId": "D9EC7F6F-846D-4F2B-B808-8C90894EC0C0"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://csirt.divd.nl/CVE-2022-2421",
      "source": "csirt@divd.nl",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://csirt.divd.nl/DIVD-2022-00045",
      "source": "csirt@divd.nl",
      "tags": [
        "Third Party Advisory"
      ]
    }
  ]
}