CVE-2023-6345

Estado: AnalizadaCrítica (9.6)⚠ Explotación activa

Integer overflow in Skia in Google Chrome prior to 119.0.6045.199 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a malicious file. (Chromium security severity: High)

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Puntuación base: 9.6

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 16%
Percentil entre todas las CVEs puntuadas: 97
Fecha de la puntuación: 6/10/2026

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: 30/11/2023
Plazo de remediación: 21/12/2023
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 Executionexecution85 %
Impacto secundarioT1548 Abuse Elevation Control Mechanismprivilege escalation75 %

Integer overflow en Skia (procesamiento de gráficos) requiere interacción del usuario (UI:R) para procesar archivo malicioso. Permite sandbox escape y ejecución de comandos con máximos privilegios (S:C, I:H, A:H).

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

Update Software User Account Management Restrict File and Directory Permissions Privileged Account Management Operating System Configuration Execution Prevention

Tecnologías afectadas (4)

Debian — Debian Linux Fedoraproject — Fedora Google — Chrome Microsoft — Edge Chromium

CWE

CWE-190
CWE-190

Referencias

JSON original (NVD)

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