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CVE-2014-8509

Estado: ModificadaAlta (7.5)—

The lazy_bdecode function in BitTorrent bootstrap-dht (aka Bootstrap) allows remote attackers to execute arbitrary code via a crafted packet, which triggers an out-of-bounds read, related to "Improper Indexing."

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)

Bittorrent — Bootstrap-dht

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-8509",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2014-10-31T14:55:11.143",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/70812",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-14-370/",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/bittorrent/bootstrap-dht/commit/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9",
      "tags": [
        "Exploit"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/70812",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.zerodayinitiative.com/advisories/ZDI-14-370/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/bittorrent/bootstrap-dht/commit/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9",
      "tags": [
        "Exploit"
      ],
      "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": "The lazy_bdecode function in BitTorrent bootstrap-dht (aka Bootstrap) allows remote attackers to execute arbitrary code via a crafted packet, which triggers an out-of-bounds read, related to \"Improper Indexing.\""
    },
    {
      "lang": "es",
      "value": "La función lazy_bdecode en BitTorrent bootstrap-dht (también conocido como Bootstrap) permite a atacantes remotos ejecutar código arbitrario a través de un paquete manipulado, lo que provoca una lectura fuera de rango, relacionado con 'la indización indebida.'"
    }
  ],
  "lastModified": "2026-06-17T00:16:50.630",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:bittorrent:bootstrap-dht:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "34965E1E-951E-4BB9-8FAF-F814F05C324F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}