CVE-2022-42856

Estado: AnalizadaAlta (8.8)⚠ Explotación activa

A type confusion issue was addressed with improved state handling. This issue is fixed in Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 and iPadOS 15.7.2, iOS 16.1.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS released before iOS 15.1..

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 8.52%
Percentil entre todas las CVEs puntuadas: 95
Fecha de la puntuación: 7/10/2026

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).

CISA KEV — explotada activamente

Añadida al catálogo: 14/12/2022
Plazo de remediación: 4/1/2023
Uso conocido en ransomware: Unknown

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution95 %
Impacto principalT1059 Command and Scripting Interpreterexecution90 %

Vulnerabilidad de confusión de tipos en navegador (CWE-843) activada por contenido web malicioso con interacción del usuario (UI:R), permite ejecución arbitraria de código. Explotada activamente contra iOS.

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

Restrict Web-Based Content Privileged Account Management Limit Software Installation Execution Prevention Behavior Prevention on Endpoint Disable or Remove Feature or Program

Tecnologías afectadas (5)

Apple — Ipados Apple — Iphone OS Apple — Macos Apple — Safari Apple — Tvos

CWE

CWE-843
CWE-843

Referencias

JSON original (NVD)

Mostrar

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    },
    {
      "lang": "es",
      "value": "Se abordó un problema lógico con una mejor gestión del estado. Este problema se solucionó en Safari 16.2, tvOS 16.2, macOS Ventura 13.1, iOS 15.7.2 y iPadOS 15.7.2, iOS 16.1.2. El procesamiento de contenido web creado con fines malintencionados puede provocar la ejecución de código arbitrario. Apple tiene conocimiento de un informe que indica que este problema puede haber sido explotado activamente en versiones de iOS lanzadas antes de iOS 15.1."
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