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CVE-2023-4863

Estado: AnalizadaAlta (8.8)⚠ Explotación activa

Heap buffer overflow in libwebp in Google Chrome prior to 116.0.5845.187 and libwebp 1.3.2 allowed a remote attacker to perform an out of bounds memory write via a crafted HTML page. (Chromium security severity: Critical)

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 libwebp remoto (AV:N, UI:R) requiere interacción para abrir página HTML maliciosa. Permite ejecución arbitraria de código y manipulación de memoria en contexto del navegador.

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 ContentRestrict File and Directory PermissionsPrivileged Account ManagementRemote Data StorageLimit Software InstallationExecution Prevention

Tecnologías afectadas (12)

Bandisoft — HoneyviewBentley — Seequent LeapfrogDebian — Debian LinuxFedoraproject — FedoraGoogle — ChromeMicrosoft — Edge ChromiumMicrosoft — TeamsMicrosoft — Webp Image ExtensionMozilla — FirefoxMozilla — ThunderbirdNetapp — Active IQ Unified ManagerWebmproject — Libwebp

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2023-4863",
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