AppSec Blog: Tag - mobile

Password Tracking in Malicious iOS Apps

In this article, John Bielich and Khash Kiani introduce OAuth, and demonstrate one type of approach in which a malicious native client application can compromise sensitive end-user data. Earlier this year, Khash posted a paper entitled: "Four Attacks on OAuth - How to Secure Your OAuth Implementation" that introduced a common protocol flow, with specific … Continue reading Password Tracking in Malicious iOS Apps


Apple iOS Push Notifications: Security Implications, Abuse Scenarios, and Countermeasures

This is a guest post from security researcher Nitesh Dhanjani. Nitesh will be giving a talk on "Hacking and Securing Next Generation iPhone and iPad Apps" at SANS AppSec 2011. Millions of iOS users and developers have come to rely on Apple's Push Notification Service (APN). In this article, I will briefly introduce details of … Continue reading Apple iOS Push Notifications: Security Implications, Abuse Scenarios, and Countermeasures


How Not to Store Passwords in iOS

The WordPress iOS App I was looking for an open source iOS application and quickly came across the WordPress app. Once you log in to your WordPress blog via the app your credentials are then stored on the device itself. If done correctly this is not necessarily a bad thing. However, the WordPress app's implementation … Continue reading How Not to Store Passwords in iOS


UI Spoofing Safari on the iPhone

This is the second in a series of guest posts from security researcher Nitesh Dhanjani. His first post was on Insecure Handling of URL Schemes in Apple's iOS. Nitesh will be giving a talk on "Hacking and Securing Next Generation iPhone and iPad Apps" at SANS AppSec 2011. Popular web browsers today do not allow … Continue reading UI Spoofing Safari on the iPhone


Insecure Handling of URL Schemes in Apple's iOS

This is a guest post from security researcher Nitesh Dhanjani. Nitesh will be giving a talk on "Hacking and Securing Next Generation iPhone and iPad Apps" at SANS AppSec 2011 In this article, I will discuss the security concerns I have regarding how URL Schemes are registered and invoked in iOS. URL Schemes, as Apple … Continue reading Insecure Handling of URL Schemes in Apple's iOS