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CVE-2016-8704

Estado: ModificadaCrítica (9.8)—

An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution.

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)

Memcached — Memcached

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-8704",
  "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
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Secondary",
        "source": "talos-cna@cisco.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "talos-cna@cisco.com",
      "affectedData": [
        {
          "vendor": "Memcached",
          "product": "Memcached",
          "versions": [
            {
              "status": "affected",
              "version": "1.4.31"
            }
          ]
        }
      ]
    }
  ],
  "published": "2017-01-06T21:59:01.790",
  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2819.html",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2820.html",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3704",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/94083",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1037333",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0219/",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2017:0059",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/201701-12",
      "source": "talos-cna@cisco.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2819.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2016-2820.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2016/dsa-3704",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/94083",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1037333",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.talosintelligence.com/reports/TALOS-2016-0219/",
      "tags": [
        "Exploit",
        "Technical Description",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://access.redhat.com/errata/RHSA-2017:0059",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://security.gentoo.org/glsa/201701-12",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-190"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An integer overflow in the process_bin_append_prepend function in Memcached, which is responsible for processing multiple commands of Memcached binary protocol, can be abused to cause heap overflow and lead to remote code execution."
    },
    {
      "lang": "es",
      "value": "Un desbordamiento de entero en la función process_bin_update en Memcached, que es responsable de procesar múltiples comandos de protocolo binario Memcached, puede ser abusado para provocar desbordamiento en la memoria dinámica y conducir a la ejecución remota de código."
    }
  ],
  "lastModified": "2026-06-17T00:54:50.973",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:memcached:memcached:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A3865AAC-C676-4002-98CC-49C199D55C0E",
              "versionEndIncluding": "1.4.31"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "talos-cna@cisco.com"
}