DEF CON 26 — Slava Makkaveev — Man In The Disk

Дата: 22.10.2018. Автор: CISOCLUB. Категории: Подкасты и видео по информационной безопасности

Most of modern OS are using sandboxing in order to prevent malicious apps from affecting other apps or even harming the OS itself. Google is constantly reinforcing Android’s sandbox protection, introducing new features to prevent any kind of sandbox bypass.

In this talk we want to shed new light on a less known attack surface which affects all Android devices and allows an attacker to hijack the communication between privileged apps and the disk, bypassing Android’s latest sandbox protection.

The problem begins when privileged apps interact with files stored in exposed areas, and even worse, some of them will unintentionally break the sandbox by insecurely appending such data to its confinements.

Can you imagine if someone could execute code in the context of your keyboard, or install an unwanted app without your consent? Well… It’s hardly within the realm of imagination.

The external storage and network based vulnerabilities we discovered, can be leveraged by the attacker to corrupt data, steal sensitive information or even take control of your device.

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