« Volver al listado

CVE-2019-12827

Estado: ModificadaMedia (6.5)—

Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message.

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 (2)

Digium — AsteriskDigium — Certified Asterisk

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-12827",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-12T20:15:11.063",
  "references": [
    {
      "url": "http://downloads.digium.com/pub/security/AST-2019-002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-28447",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://downloads.digium.com/pub/security/AST-2019-002.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://issues.asterisk.org/jira/browse/ASTERISK-28447",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE message."
    },
    {
      "lang": "es",
      "value": "Desbordamiento de búfer en res_pjsip_messaging en Digium Asterisk versiones 13.21-cert3, 13.27.0, 15.7.2, 16.4.0 versiones anteriores permite a los atacantes remotos autenticados cerrar inesperadamente Asterisk enviando un mensaje SIP MESSAGE especialmente diseñado."
    }
  ],
  "lastModified": "2026-06-17T02:15:34.250",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CCA6DD0A-1C55-4334-8AF3-DB7B2EFB07E0",
              "versionEndExcluding": "13.27.0",
              "versionStartIncluding": "13.0.0"
            },
            {
              "criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "212B9BDD-ECC4-4CA3-B776-556C98EADF1D",
              "versionEndExcluding": "15.7.2",
              "versionStartIncluding": "15.0.0"
            },
            {
              "criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7E458297-5218-48A3-8690-66E6C6549757",
              "versionEndExcluding": "16.4.0",
              "versionStartIncluding": "16.0.0"
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B7EE2BD3-51DC-4DA5-A5F2-6275F5277BE7"
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "DC85AF18-A304-4BD8-AFAA-F99AC37A799B"
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1-rc2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "03094F8E-FF0C-4831-A50F-B601949FD3BF"
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6A7B650A-4785-4A8B-BCB6-1B630A0E18E0"
            },
            {
              "criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6B791DBB-EB45-4E9C-9C57-249D196EC0E5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}