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CVE-2009-1572

Estado: ModificadaMedia (5)—

The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error.

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)

CWE

Referencias

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  "id": "CVE-2009-1572",
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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  "vulnStatus": "Modified",
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      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The BGP daemon (bgpd) in Quagga 0.99.11 and earlier allows remote attackers to cause a denial of service (crash) via an AS path containing ASN elements whose string representation is longer than expected, which triggers an assert error."
    },
    {
      "lang": "es",
      "value": "El  demonio BGP (bgpd) in Quagga v0.99.11 y anteriores, permite a atacantes remotos provocar una denegación de servicio (caída) a través de una ruta AS que contiene elementos ASN cuya representación de cadena es mayor que la esperada, lo que provoca un error de aserción."
    }
  ],
  "lastModified": "2026-06-16T23:07:32.870",
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  "vendorComments": [
    {
      "comment": "Not vulnerable. This issue did not affect the versions of zebra as shipped with Red Hat Enterprise Linux 2.1, and the versions of quagga as shipped with Red Hat Enterprise Linux 3, 4, or 5.",
      "lastModified": "2009-05-18T00:00:00",
      "organization": "Red Hat"
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  "sourceIdentifier": "cve@mitre.org"
}