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CVE-2018-7167

Estado: ModificadaAlta (7.5)—

Calling Buffer.fill() or Buffer.alloc() with some parameters can lead to a hang which could result in a Denial of Service. In order to address this vulnerability, the implementations of Buffer.alloc() and Buffer.fill() were updated so that they zero fill instead of hanging in these cases. All versions of Node.js 6.x (LTS "Boron"), 8.x (LTS "Carbon"), and 9.x are vulnerable. All versions of Node.js 10.x (Current) are NOT vulnerable.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Nodejs — Node.js

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-7167",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve-request@iojs.org",
      "affectedData": [
        {
          "vendor": "The Node.js Project",
          "product": "Node.js",
          "versions": [
            {
              "status": "affected",
              "version": "6.x+"
            },
            {
              "status": "affected",
              "version": "8.x+"
            },
            {
              "status": "affected",
              "version": "9.x+"
            },
            {
              "status": "affected",
              "version": "10.x+"
            }
          ]
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      ]
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  ],
  "published": "2018-06-13T16:29:01.860",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106363",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve-request@iojs.org"
    },
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve-request@iojs.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/202003-48",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "cve-request@iojs.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/106363",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://nodejs.org/en/blog/vulnerability/june-2018-security-releases/",
      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/202003-48",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Calling Buffer.fill() or Buffer.alloc() with some parameters can lead to a hang which could result in a Denial of Service. In order to address this vulnerability, the implementations of Buffer.alloc() and Buffer.fill() were updated so that they zero fill instead of hanging in these cases. All versions of Node.js 6.x (LTS \"Boron\"), 8.x (LTS \"Carbon\"), and 9.x are vulnerable. All versions of Node.js 10.x (Current) are NOT vulnerable."
    },
    {
      "lang": "es",
      "value": "La llamada a Buffer.fill() o Buffer.alloc() con algunos parámetros puede conducir a un bloqueo y a una denegación de servicio (DoS) posterior. Para abordar esta vulnerabilidad, las implementaciones de Buffer.alloc() y Buffer.fill() se actualizaron para que se llenen con cero en lugar de bloquearse en este tipo de casos. Todas las versiones de Node.js 6.x (LTS \"Boron\"), 8.x (LTS \"Carbon\") 9.x son vulnerables. Todas las versiones de Node.js 10.x (actual) NO son vulnerables."
    }
  ],
  "lastModified": "2026-06-17T02:02:43.810",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "matchCriteriaId": "53E60710-2BE3-4FA1-8987-1D7C0965B779",
              "versionEndExcluding": "6.14.3",
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          ],
          "operator": "OR"
        }
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  ],
  "sourceIdentifier": "cve-request@iojs.org"
}