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CVE-2018-8039

Estado: ModificadaAlta (8.1)—💥 PoC

It is possible to configure Apache CXF to use the com.sun.net.ssl implementation via 'System.setProperty("java.protocol.handler.pkgs", "com.sun.net.ssl.internal.www.protocol");'. When this system property is set, CXF uses some reflection to try to make the HostnameVerifier work with the old com.sun.net.ssl.HostnameVerifier interface. However, the default HostnameVerifier implementation in CXF does not implement the method in this interface, and an exception is thrown. However, in Apache CXF prior to 3.2.5 and 3.1.16 the exception is caught in the reflection code and not properly propagated.

Leer descripción completaMostrar menos

What this means is that if you are using the com.sun.net.ssl stack with CXF, an error with TLS hostname verification will not be thrown, leaving a CXF client subject to man-in-the-middle attacks.

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.

⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.

Tecnologías afectadas (2)

Apache — CXFRedhat — Jboss Enterprise Application Platform

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2018-8039",
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          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
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  "vulnStatus": "Modified",
  "weaknesses": [
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      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-755"
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      "lang": "en",
      "value": "It is possible to configure Apache CXF to use the com.sun.net.ssl implementation via 'System.setProperty(\"java.protocol.handler.pkgs\", \"com.sun.net.ssl.internal.www.protocol\");'. When this system property is set, CXF uses some reflection to try to make the HostnameVerifier work with the old com.sun.net.ssl.HostnameVerifier interface. However, the default HostnameVerifier implementation in CXF does not implement the method in this interface, and an exception is thrown. However, in Apache CXF prior to 3.2.5 and 3.1.16 the exception is caught in the reflection code and not properly propagated. What this means is that if you are using the com.sun.net.ssl stack with CXF, an error with TLS hostname verification will not be thrown, leaving a CXF client subject to man-in-the-middle attacks."
    },
    {
      "lang": "es",
      "value": "Es posible configurar Apache CXF para que use la implementación com.sun.net.ssl a través de \"System.setProperty(\"java.protocol.handler.pkgs\" \"com.sun.net.ssl.internal.www.protocol\");\". Cuando se establece esta propiedad de sistema, CXF utiliza determinada reflexión para intentar hacer que HostnameVerifier funcione con la antigua interfaz com.sun.net.ssl.HostnameVerifier. Sin embargo, la implementación predeterminada de HostnameVerifier en CXF no implementa el método en esta interfaz y se lanza una excepción. Sin embargo, en Apache CXF en versiones anteriores a la 3.2.5 y 3.1.16, la excepción queda atrapada en el código de reflexión y no se propaga correctamente. Esto significa que, si está utilizando la pila com.sun.net.ssl con CXF, no se producirá un error con la verificación del nombre de host TLS, lo que dejará a un cliente CXF sujeto a ataques Man-in-the-Middle (MitM)."
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  "lastModified": "2026-06-17T02:04:09.353",
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