CVE-2016-3861
LibUtils en Android 4.x en versiones anteriores a 4.4.4, 5.0.x en versiones anteriores a 5.0.2, 5.1.x en versiones anteriores a 5.1.1, 6.x en versiones anteriores a 2016-09-01 y 7.0 en versiones anteriores a 2016-09-01 no maneja correctamente conversiones entre codificaciones de caracteres Unicode y anchuras de codificación diferentes, lo que permite a atacantes remotos ejecutar código arbitrario o provocar una denegación de servicio (desbordamiento de búfer basado en memoria dinámica) a través de un archivo manipulado, vulnerabilidad también conocida como error interno 29250543.
CVSS
- Puntuación base
- 7.8
- Versión
- 3.0
- Vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días
- 8.29 %
- Percentil entre todas las CVEs puntuadas
- 95
- Fecha de la puntuación
- 20/10/2026
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).
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.
- Publicado en Exploit-DB · Google Android - libutils UTF16 to UTF8 Conversion Heap Buffer Overflow (8/9/2016)
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ 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 (1)
CWE
- CWE-119, CWE-264
Referencias
Mostrar las 16 referencias
- http://source.android.com/security/bulletin/2016-09-01.html
- http://www.securityfocus.com/bid/92811
- http://www.securitytracker.com/id/1036763
- https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76e
- https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1
- https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bf
- https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142b
- https://www.exploit-db.com/exploits/40354/
- http://source.android.com/security/bulletin/2016-09-01.html
- http://www.securityfocus.com/bid/92811
- http://www.securitytracker.com/id/1036763
- https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76e
- https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1
- https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bf
- https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142b
- https://www.exploit-db.com/exploits/40354/
JSON original (NVD)
Mostrar
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