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CVE-2006-3942

Estado: ModificadaAlta (7.8)—💥 Exploit

The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that contains a string without null character termination, which leads to a NULL dereference in the ExecuteTransaction function, possibly related to an "SMB PIPE," aka the "Mailslot DOS" vulnerability. NOTE: the name "Mailslot DOS" was derived from incomplete initial research; the vulnerability is not associated with a mailslot.

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).

💥 Exploits públicos

Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.

Tecnologías afectadas (3)

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2006-3942",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
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        "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": [
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      "affectedData": [
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          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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              "status": "affected",
              "version": "n/a"
            }
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  ],
  "published": "2006-07-31T23:04:00.000",
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
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  "descriptions": [
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      "lang": "en",
      "value": "The server driver (srv.sys) in Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause a denial of service (system crash) via an SMB_COM_TRANSACTION SMB message that contains a string without null character termination, which leads to a NULL dereference in the ExecuteTransaction function, possibly related to an \"SMB PIPE,\" aka the \"Mailslot DOS\" vulnerability.  NOTE: the name \"Mailslot DOS\" was derived from incomplete initial research; the vulnerability is not associated with a mailslot."
    },
    {
      "lang": "es",
      "value": "El controlador de servidor (srv.sys) en Microsoft Windows NT 4.0, 2000, XP, y Server 2003 permite a atacantes remotos provocar una denegación de servicio (caída del sistema) mediante un mensaje SMB_COM_TRANSACTION que contiene una cadena sin terminación de carácter nulo, lo cual lleva a una referencia a NULL en la función ExecuteTransaction, posiblemente relacionado con una \"tubería SMB\" (SMB PIPE), también conocida como vulnerabilidad \"Mailslot DOS\". NOTA: el nombre \"Mailslot DOS\" es derivado de una investigación inicial imcompleta; la vulnerabilidad no está asociada con un mailslot (ranura de correo)."
    }
  ],
  "lastModified": "2026-06-16T22:28:07.567",
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