{
  "id": "CVE-2019-7251",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2019-03-28T17:29:01.723",
  "lastModified": "2019-04-01T18:14:50.177",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via a specially crafted SDP protocol violation."
    },
    {
      "lang": "es",
      "value": "Un error en la propiedad signedness de un n\u00famero entero (para c\u00f3digo devuelto) en el m\u00f3dulo res_pjsip_sdp_rtp en Digium Asterisk, en versiones 15.7.1 y anteriores y en las 16.1.1 y anteriores, permite a los atacantes remotos no autenticados cerrar inesperadamente Asterisk mediante una violaci\u00f3n de protocolo SDP especialmente manipulada."
    }
  ],
  "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",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM"
        },
        "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",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "SINGLE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "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-190"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "15.0.0",
              "versionEndExcluding": "15.7.2",
              "matchCriteriaId": "212B9BDD-ECC4-4CA3-B776-556C98EADF1D"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "16.0.0",
              "versionEndExcluding": "16.2.1",
              "matchCriteriaId": "78874405-4758-4CC0-8BE0-ECC799BFF7B5"
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    }
  ],
  "references": [
    {
      "url": "https://downloads.asterisk.org/pub/security/AST-2019-001.html",
      "source": "cve@mitre.org",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-28260",
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ]
    }
  ]
}