Android-Reports-and-Resources

HackerOne Reports

Hardcoded credentials

Disclosure of all uploads via hardcoded api secret

https://hackerone.com/reports/351555

WebView

Android security checklist: WebView

https://blog.oversecured.com/Android-security-checklist-webview/

Insecure deeplinks

Account Takeover Via DeepLink

https://hackerone.com/reports/855618

Sensitive information disclosure

https://hackerone.com/reports/401793

RCE/ACE

Why dynamic code loading could be dangerous for your apps: a Google example

https://blog.oversecured.com/Why-dynamic-code-loading-could-be-dangerous-for-your-apps-a-Google-example/

RCE in TinyCards for Android

https://hackerone.com/reports/281605 - TinyCards made this report private.

Persistent arbitrary code execution in Android's Google Play Core Library: details, explanation and the PoC

https://hackerone.com/reports/971386

CVE-2020-8913: Persistent arbitrary code execution in Google Play Core library

https://blog.oversecured.com/Oversecured-automatically-discovers-persistent-code-execution-in-the-Google-Play-Core-Library/ - Persistent arbitrary code execution in Android's Google Play Core Library: details, explanation and the PoC - CVE-2020-8913

TikTok: three persistent arbitrary code executions and one theft of arbitrary files

https://blog.oversecured.com/Oversecured-detects-dangerous-vulnerabilities-in-the-TikTok-Android-app/ - Oversecured detects dangerous vulnerabilities in the TikTok Android app

Memory corruption

Exploiting memory corruption vulnerabilities on Android

https://blog.oversecured.com/Exploiting-memory-corruption-vulnerabilities-on-Android/ - Exploiting memory corruption vulnerabilities on Android + an example of such vulnerability in PayPal apps

Cryptography

Use cryptography in mobile apps the right way

https://blog.oversecured.com/Use-cryptography-in-mobile-apps-the-right-way/

SQL Injection

SQL Injection in Content Provider

https://hackerone.com/reports/291764

Session theft

Steal user session

https://hackerone.com/reports/328486

Steal files

Android security checklist: theft of arbitrary files

https://blog.oversecured.com/Android-security-checklist-theft-of-arbitrary-files/

How to exploit insecure WebResourceResponse configurations + an example of the vulnerability in Amazon apps

https://blog.oversecured.com/Android-Exploring-vulnerabilities-in-WebResourceResponse/ - Android: Exploring vulnerabilities in WebResourceResponse

Vulnerable to local file steal, Javascript injection, Open redirect

https://hackerone.com/reports/499348

Token leakage due to stolen files via unprotected Activity

https://hackerone.com/reports/288955

Steal files due to exported services

https://hackerone.com/reports/258460

Steal files due to unprotected exported Activity

https://hackerone.com/reports/161710

Steal files due to insecure data storage

https://hackerone.com/reports/44727

Insecure local data storage, makes it easy to steal files

https://hackerone.com/reports/57918

Bypasses

Accidental $70k Google Pixel Lock Screen Bypass

https://bugs.xdavidhu.me/google/2022/11/10/accidental-70k-google-pixel-lock-screen-bypass/

Golden techniques to bypass host validations

https://hackerone.com/reports/431002

Two-factor authentication bypass due to vuln endpoint

https://hackerone.com/reports/202425

Another endpoint Auth bypass

https://hackerone.com/reports/205000

Bypass PIN/Fingerprint lock

https://hackerone.com/reports/331489

Bypass lock protection

https://hackerone.com/reports/490946

Bypass of biometrics security functionality

https://hackerone.com/reports/637194

XSS

HTML Injection in BatterySaveArticleRenderer WebView

https://hackerone.com/reports/176065

XSS via SAMLAuthActivity

https://hackerone.com/reports/283058

XSS in ImageViewerActivity

https://hackerone.com/reports/283063

XSS via start ContentActivity

https://hackerone.com/reports/189793

XSS on Owncloud webview

https://hackerone.com/reports/87835

Privilege Escalation

20 Security Issues Found in Xiaomi Devices

https://blog.oversecured.com/20-Security-Issues-Found-in-Xiaomi-Devices/

Discovering vendor-specific vulnerabilities in Android

https://blog.oversecured.com/Discovering-vendor-specific-vulnerabilities-in-Android/

Common mistakes when using permissions in Android

https://blog.oversecured.com/Common-mistakes-when-using-permissions-in-Android/

Two weeks of securing Samsung devices: Part 2

https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-2/

Two weeks of securing Samsung devices: Part 1

https://blog.oversecured.com/Two-weeks-of-securing-Samsung-devices-Part-1/

Intent Spoofing

https://hackerone.com/reports/97295

Access of some not exported content providers

https://hackerone.com/reports/272044

Access protected components via intent

https://hackerone.com/reports/200427

Fragment injection

https://hackerone.com/reports/43988

Javascript injection

https://hackerone.com/reports/54631

CSRF

Deeplink leads to CSRF in follow action

https://hackerone.com/reports/583987

Case sensitive account collisions

overwrite account associated with email via android application

https://hackerone.com/reports/187714

Intercept Broadcasts

Possible to intercept broadcasts about file uploads

https://hackerone.com/reports/167481

Vulnerable exported broadcast reciever

https://hackerone.com/reports/289000

View every network request response's information

https://hackerone.com/reports/56002

Practice Apps

Oversecured Vulnerable Android App

A vulnerable app showing modern security bugs in Android apps

Damn Vulnerable Bank

Vulnerable Banking Application for Android

InsecureShop

Intentionally Vulnerable Android Application

Vuldroid

Vulnerable Android Application made with security issues

InjuredAndroid

A vulnerable Android application with ctf examples based on bug bounty findings, exploitation concepts, and pure creativity.

Android-InsecureBankv2

Vulnerable Android application for developers and security enthusiasts to learn about Android insecurities

Damn Insecure and Vulnerable app

Damn Insecure and vulnerable App for Android

OWASP-GoatDroid-Project

OWASP GoatDroid is a fully functional and self-contained training environment for educating developers and testers on Android security

Sieve mwrlabs

Sieve is a small Password Manager app created to showcase some of the common vulnerabilities found in Android applications.

Tools

Android - PentestBook

Awesome-Android-Security

android-security-awesome

Resources

OWASP top 10 2016

OWASP mobile testing guide

Android Reversing 101

Detect secret leaks in Android apps online

Android Security Guidelines

Attacking vulnerable Broadcast Recievers

Android Webview Vulnerabilities

Android reverse engineering recon

Webview addjavascriptinterface RCE

Install PLayStore On Android Emulator

Android Bug Bounty Tips

Android: Access to app protected components

Android: arbitrary code execution via third-party package contexts

Interception of Android implicit intents

Evernote: Universal-XSS, theft of all cookies from all sites, and more

Android: Gaining access to arbitrary* Content Providers