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CVE-2023-5217

Estado: AnalizadaAlta (8.8)⚠ Explotación activa

Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

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).

CISA KEV — explotada activamente

🎯 Técnicas ATT&CK

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

Buffer overflow en VP8 (libvpx) explotable mediante HTML malicioso con UI:R. Permite ejecución de código en navegador y acceso a datos del proceso.

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 ContentExecution PreventionBehavior Prevention on EndpointDisable or Remove Feature or ProgramApplication Isolation and SandboxingExploit Protection

Tecnologías afectadas (11)

Apple — IpadosApple — Iphone OSDebian — Debian LinuxFedoraproject — FedoraGoogle — ChromeMicrosoft — EdgeMicrosoft — Edge ChromiumMozilla — FirefoxMozilla — ThunderbirdRedhat — Enterprise LinuxWebmproject — Libvpx

CWE

Referencias

JSON original (NVD)

Mostrar
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  "id": "CVE-2023-5217",
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