{
  "id": "CVE-2017-7479",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2017-05-15T18:29:00.340",
  "lastModified": "2025-04-20T01:37:25.860",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenVPN versions before 2.3.15 and before 2.4.2 are vulnerable to reachable assertion when packet-ID counter rolls over resulting into Denial of Service of server by authenticated attacker."
    },
    {
      "lang": "es",
      "value": "OpenVPN versiones anteriores a 2.3.15 y anteriores a 2.4.2, son vulnerables a una aserci\u00f3n alcanzable cuando el contador del identificador de paquete se devuelve como resultado de una denegaci\u00f3n de servicio del servidor por parte de un atacante autenticado."
    }
  ],
  "metrics": {
    "cvssMetricV30": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.0",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "baseScore": 4.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    },
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-617"
        }
      ]
    }
  ],
  "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"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "84F5C67A-34A4-4C7E-BCA9-AF3E5FC70AF6"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:alpha2:*:*:*:*:*:*",
              "matchCriteriaId": "A857CA88-60B0-4D34-87B6-770B67981501"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta1:*:*:*:*:*:*",
              "matchCriteriaId": "B42297EE-B347-4BD8-A657-BDF0AA010C06"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "7C7A56E8-09C8-4DB2-9244-9E5E2BEC1821"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc1:*:*:*:*:*:*",
              "matchCriteriaId": "41ACD637-EF6B-40E4-BDE6-0EE7D6AEBAD4"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.0:rc2:*:*:*:*:*:*",
              "matchCriteriaId": "1A4150AD-3F46-487D-BCF8-79D0AE2A092D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "E7F7663E-3EB5-44F4-B7DE-294A549A12BE"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://www.debian.org/security/2017/dsa-3900",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/98443",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.securitytracker.com/id/1038473",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits",
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://www.debian.org/security/2017/dsa-3900",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/98443",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1038473",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAudits",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}