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CVE-2014-9376

Estado: ModificadaAlta (7.5)—

Integer underflow in Ettercap 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds write) and possibly execute arbitrary code via a small (1) size variable value in the dissector_dhcp function in dissectors/ec_dhcp.c, (2) length value to the dissector_gg function in dissectors/ec_gg.c, or (3) string length to the get_decode_len function in ec_utils.c or a request without a (4) username or (5) password to the dissector_TN3270 function in dissectors/ec_TN3270.c.

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)

Ettercap-project — Ettercap

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2014-9376",
  "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": "2014-12-19T15:59:27.097",
  "references": [
    {
      "url": "http://www.securityfocus.com/archive/1/534248/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/71696",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/602",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/605",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/606",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/609",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://security.gentoo.org/glsa/201505-01",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/534248/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/71696",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/602",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/605",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/606",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://github.com/Ettercap/ettercap/pull/609",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201505-01",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.obrela.com/home/security-labs/advisories/osi-advisory-osi-1402/",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Integer underflow in Ettercap 0.8.1 allows remote attackers to cause a denial of service (out-of-bounds write) and possibly execute arbitrary code via a small (1) size variable value in the dissector_dhcp function in dissectors/ec_dhcp.c, (2) length value to the dissector_gg function in dissectors/ec_gg.c, or (3) string length to the get_decode_len function in ec_utils.c or a request without a (4) username or (5) password to the dissector_TN3270 function in dissectors/ec_TN3270.c."
    },
    {
      "lang": "es",
      "value": "Desbordamiento inferior de entero en Ettercap 0.8.1 permite a atacantes remotos provocar una denegación de servicio (escritura fuera de límites) y posiblemente ejecutar código arbitrario a través de un (1) valor de tamaño variable pequeño en la función dissector_dhcp en dissectors/ec_dhcp.c, (2) valor de longitud pequeño a la función dissector_gg en dissectors/ec_gg.c o (3) longitud de cadena pequeña a la función get_decode_len en ec_utils.c o una petición sin (4) nombre de usuario o (5) contraseña a la función dissector_TN3270 en dissectors/ec_TN3270.c."
    }
  ],
  "lastModified": "2026-06-17T00:18:13.077",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ettercap-project:ettercap:0.8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B757BFA2-DFC1-4DB8-B838-25082E9EBB6F"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorComment": "<a href=\"http://cwe.mitre.org/data/definitions/191.html\">CWE-191: Integer Underflow (Wrap or Wraparound)</a>",
  "sourceIdentifier": "cve@mitre.org"
}