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CVE-2007-2297

Estado: ModificadaAlta (7.8)—

The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash).

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)

Asterisk — Asterisk

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-2297",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2007-04-26T20:19:00.000",
  "references": [
    {
      "url": "http://bugs.digium.com/view.php?id=9313",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/25582",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/2644",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.asterisk.org/files/ASA-2007-011.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.debian.org/security/2007/dsa-1358",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2007_34_asterisk.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/466882/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/24359",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1017954",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33892",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.digium.com/view.php?id=9313",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/25582",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/2644",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.asterisk.org/files/ASA-2007-011.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.debian.org/security/2007/dsa-1358",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.novell.com/linux/security/advisories/2007_34_asterisk.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/466882/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/24359",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1017954",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/33892",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The SIP channel driver (chan_sip) in Asterisk before 1.2.18 and 1.4.x before 1.4.3 does not properly parse SIP UDP packets that do not contain a valid response code, which allows remote attackers to cause a denial of service (crash)."
    },
    {
      "lang": "es",
      "value": "El SIP channel driver (chan_sip) del Asterisk anterior al 1.2.18 y el 1.4.x anterior al 1.4.3 no analiza sintácticamente de forma correcta los paquetes SIP UDP que no contienen un código de respuesta válido, lo que permite a atacantes remotos provocar una denegación de servicio (caída)."
    }
  ],
  "lastModified": "2026-06-16T22:39:19.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:asterisk:asterisk:1.2.0_beta1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E97310AF-E163-4C4F-A0BE-2940A67C336B"
            },
            {
              "criteria": "cpe:2.3:a:asterisk:asterisk:1.2.0_beta2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "66A7A018-4EB6-4C15-9A22-E4299A6919C6"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "C89A173C-C64A-440F-BCC6-EDE692521171"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "C716CAB8-5F2D-44DA-982B-3A47B3B59A1A"
            },
            {
              "criteria": "cpe:2.3:a:asterisk:asterisk:1.2.12:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0FABB45-93A9-49BB-93DA-D13305E2FF84"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "A5F82331-A7C1-4166-AE45-A83BD7FC3D25"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "26A10E99-3A8C-430A-8FB6-4A55E01A00E0"
            },
            {
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              "matchCriteriaId": "E5DF84B2-A104-4FA2-8B02-D243D76ACEE7"
            },
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              "vulnerable": true,
              "matchCriteriaId": "B4BA2270-DF93-48FB-A90F-DFBFED05F051"
            },
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              "matchCriteriaId": "B4FE0264-95E4-4B75-8904-369035DEA2F1"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "593AA737-5AF3-4F7C-B74B-D3F37701C435"
            },
            {
              "criteria": "cpe:2.3:a:asterisk:asterisk:1.4.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D942B911-979A-4AC3-93D6-07E420171E77"
            },
            {
              "criteria": "cpe:2.3:a:asterisk:asterisk:1.4_beta:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "181C8E98-2138-4BFC-B6B0-1DA270AEE7F6"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}