{
  "id": "CVE-2016-6329",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2017-01-31T22:59:00.377",
  "lastModified": "2019-07-09T13:15:11.243",
  "vulnStatus": "Modified",
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenVPN, when using a 64-bit block cipher, makes it easier for remote attackers to obtain cleartext data via a birthday attack against a long-duration encrypted session, as demonstrated by an HTTP-over-OpenVPN session using Blowfish in CBC mode, aka a \"Sweet32\" attack."
    },
    {
      "lang": "es",
      "value": "OpenVPN, cuando utiliza un cifrado de bloques de 64 bits, facilita a atacantes remotos obtener datos de texto plano a trav\u00e9s de un ataque birthday contra una sesi\u00f3n encriptada de larga duraci\u00f3n, como lo demuestra una sesi\u00f3n HTTP-over-OpenVPN usando Blowfish en modo CBC, tambi\u00e9n conocido como ataque \"Sweet32\"."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        },
        {
          "lang": "en",
          "value": "CWE-310"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*",
              "versionEndIncluding": "2.3.14",
              "matchCriteriaId": "2B92389B-7815-40EC-AA21-14154621BFAC"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=nas8N1021697",
      "source": "secalert@redhat.com",
      "tags": [
        "Permissions Required",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21991482",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www-01.ibm.com/support/docview.wss?uid=swg21995039",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.securityfocus.com/bid/92631",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "http://www.securitytracker.com/id/1036695",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ]
    },
    {
      "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-556833.pdf",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/SWEET32",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05369403",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://security.gentoo.org/glsa/201611-02",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://sweet32.info/",
      "source": "secalert@redhat.com",
      "tags": [
        "Technical Description",
        "Third Party Advisory"
      ]
    }
  ]
}