8. ARM Exploitation | Learning Pentesting for Android Devices

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Learning Pentesting for Android Devices

By : Aditya Gupta

4.3 (11)

Learning Pentesting for Android Devices

4.3 (11)

By: Aditya Gupta

Overview of this book

This is an easy-to-follow guide, full of hands-on and real-world examples of applications. Each of the vulnerabilities discussed in the book is accompanied with the practical approach to the vulnerability, and the underlying security issue. This book is intended for all those who are looking to get started in Android security or Android application penetration testing. You don’t need to be an Android developer to learn from this book, but it is highly recommended that developers have some experience in order to learn how to create secure applications for Android.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Getting Started with Android Security

1. Getting Started with Android Security

Introduction to Android

Digging deeper into Android

Sandboxing and the permission model

Application signing

Android startup process

Summary

2. Preparing the Battlefield

2. Preparing the Battlefield

Setting up the development environment

Useful utilities for Android Pentest

Summary

3. Reversing and Auditing Android Apps

3. Reversing and Auditing Android Apps

Android application teardown

Reversing an Android application

Using Apktool to reverse an Android application

Auditing Android applications

Content provider leakage

Insecure file storage

OWASP top 10 vulnerabilities for mobiles

Summary

4. Traffic Analysis for Android Devices

4. Traffic Analysis for Android Devices

Android traffic interception

Ways to analyze Android traffic

HTTPS Proxy interception

Extracting sensitive files with packet capture

Summary

5. Android Forensics

5. Android Forensics

Types of forensics

Filesystems

Using dd to extract data

Using Andriller to extract an application's data

Using AFLogical to extract contacts, calls, and text messages

Dumping application databases manually

Logging the logcat

Using backup to extract an application's data

Summary

6. Playing with SQLite

6. Playing with SQLite

Understanding SQLite in depth

Security vulnerability

Summary

7. Lesser-known Android Attacks

7. Lesser-known Android Attacks

Android WebView vulnerability

Infecting legitimate APKs

Vulnerabilities in ad libraries

Cross-Application Scripting in Android

Summary

8. ARM Exploitation

8. ARM Exploitation

Introduction to ARM architecture

Setting up the environment

Simple stack-based buffer overflow

Return-oriented programming

Android root exploits

Summary

9. Writing the Pentest Report

9. Writing the Pentest Report

Basics of a penetration testing report

Writing the pentest report

Summary

Security Audit of

Table of Contents

1. Introduction

2. Auditing and Methodology

3. Conclusions

Index

Index

Android root exploits

Since the early versions of Android, Android root exploits started to come up for every subsequent version and different device manufacturers of Android. Android rooting simply means gaining privileged access to a device which is not granted by the device manufacturer to the user by default. These root exploits exploit various vulnerabilities present in the Android system. The following is a list of some of them, with a brief idea of which vulnerability the exploit is based on:

Exploid: This is based on the CVE-2009-1185 vulnerability in udev, a component of Android responsible for USB connections, which verifies whether a Netlink message (a kind of message responsible for connecting the Linux kernel to the user) has originated from the original source or is a forged one crafted by an attacker. So, an attacker could simply send a udev message from the user space itself and elevate the privileges.
Gingerbreak: This is another exploit based on a vulnerability present...

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