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CVE-2009-1902

Estado: ModificadaMedia (5)—

The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.

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)

Fedoraproject — FedoraTrustwave — Modsecurity

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1902",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
        "cvssData": {
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          "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,
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  "published": "2009-06-03T17:00:00.687",
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  "weaknesses": [
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      "description": [
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          "lang": "en",
          "value": "CWE-476"
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  "descriptions": [
    {
      "lang": "en",
      "value": "The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference."
    },
    {
      "lang": "es",
      "value": "El procesador multipart en ModSecurity anterior a v2.5.9, permite a atacantes remotos provocar una denegación de servicio (caída) a través de una petición multipart form datapost con un \"part header name\" perdido, lo que provoca una deferencia a puntero nulo (NULL)."
    }
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  "lastModified": "2026-06-16T23:08:19.417",
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}