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CVE-2016-6308

Estado: ModificadaMedia (5.9)—

statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted DTLS messages.

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)

Openssl — Openssl

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2016-6308",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2016-09-26T19:59:05.033",
  "references": [
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21995039",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/93151",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1036885",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bto.bluecoat.com/security-advisory/sa132",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=df6b5e29ffea2d5a3e08de92fb765fdb21c7a21e",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.openssl.org/news/secadv/20160922.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-16",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-20",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-21",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10759",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21995039",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/93151",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1036885",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bto.bluecoat.com/security-advisory/sa132",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-412672.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://git.openssl.org/?p=openssl.git%3Ba=commit%3Bh=df6b5e29ffea2d5a3e08de92fb765fdb21c7a21e",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.openssl.org/news/secadv/20160922.txt",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-16",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-20",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.tenable.com/security/tns-2016-21",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted DTLS messages."
    },
    {
      "lang": "es",
      "value": "statem/statem_dtls.c en la implementación DTLS en OpenSSL 1.1.0 en versiones anteriores a 1.1.0a asigna memoria antes de comprobar el exceso de longitud, lo que podría permitir a atacantes remotos provocar una denegación de servicio (consumo de memoria) a través de mensajes DTLS manipulados."
    }
  ],
  "lastModified": "2026-06-17T00:50:48.180",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openssl:openssl:1.1.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "73104834-5810-48DD-9B97-549D223853F1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secalert@redhat.com"
}