Security
New OWASP Mobile Top 10
Release of new OWASP Mobile Top 10 with improvements, updates and a behind the scenes.
Mon 27 November 2023
One Scheme to Rule Them All: OAuth Account Takeover
This article delves into the exploitation of OAuth account takeover using app impersonation through custom scheme hijacking, an overlooked vulnerability pattern affecting most OAuth providers and consequently many popular applications including apps with over 1B downloads.
Tue 17 October 2023
ZIP Exploitation: Critical Vulnerabilities Found in Popular Zip Libraries in Swift and Flutter
Recent in-depth investigations reveal serious vulnerabilities discovered in widely-used zip packages in Flutter and Swift, posing serious security risks for thousands of developers and applications. Our article delves into the technical aspects of these vulnerabilities, explaining their discovery, implications and mitigation strategies.
Fri 04 August 2023
Ostorlab's Insecure Flutter Apps: A Playground for Learning and Testing Mobile Security
Ostorlab has open-sourced two Flutter applications, designed to be intentionally insecure for testing and educational purposes. The apps, one native to iOS and the other a Java/C++/Flutter app, highlight a variety of common mobile app vulnerabilities. Available under the Apache-2.0 license, they serve as practical resources for understanding Flutter security.
Mon 10 July 2023
zCamera, 100M+ installation app, from remote compromise to data leaks
This article is a technical deep dive, showing how a 100M+ installation image application can expose its user’s images and suffer from remotely exploitable vulnerabilities ranging from SQL injection and intent redirect to arbitrary file download.
Secure Mobile Biometric Authentication: Best Practices and Implementation Guidelines for Kotlin, Swift, and Flutter
In this Article, we define a secure implementation of mobile biometric authentication and provide detailed implementations in the 3 main modern mobile languages, namely Kotlin for Android, Swift for iOS, and Dart for Flutter multiplatform applications.
Latest posts
Flutter Reverse Engineering and Security Analysis
Article on Static and Dynamic analysis techniques for Reverse engineering Flutter Applications. The article goes over runtime patching, custom ABI interception and traffic interception.
Thu 15 June 2023
GodFather Android Malware Analysis
In This article, we analyze the GodFather Android malware, which continues to appear in various formats and primarily targets banking and cryptocurrency applications to steal money and sensitive information for the users.
Fri 14 April 2023
Text4Shell (CVE-2022-42889) in Mobile Applications ... should I worry?
CVE-2022-42889 is a vulnerability in the Apache Commons Text Library caused by string interpolation abusing powerful handlers and present in popular application like Amazon Shopping, Udemy and Grammarly. This article goes over the applicability and risk of this vulnerability for Mobile Applications.
Mon 24 October 2022
Attack Surface Insights - part 2
Attack Surface is not just about open ports and services; this article covers key insights beyond the standard technical ones.
Thu 16 June 2022
Mapping your Attack Surface - part 1
Attack surface mapping has become the number one headache of CISO's of most large organization, this article goes over techniques and tools used by Ostorlab to enable powerful and accurate attack surface discovery and monitoring.
Tue 17 May 2022
How did we react to Log4j vulnerability? Read our analysis for mobile applications.
What is the impact of Log4j vulnerability on mobile applications
Mon 20 December 2021
Universal bypass of SSL Pinning ... from theory to a full working PoC with LLDB
This article is about bypassing SSL pinning without needing to. Sounds confusing? We will go over the theory, build a full PoC using LLDB in Python and finally extend it to other cool tasks.
Tue 18 May 2021
5 things every mobile security professional should know about WebViews
This article is about WebViews and the security notions we need to have in mind when using these component in both Android and iOS.
Tue 18 May 2021