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Mobile Top 10 2014-M10

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Lack of Binary Protections
Threat Agents Attack Vectors Security Weakness Technical Impacts Business Impacts
Application Specific Exploitability
EASY
Prevalence
COMMON
Detectability
EASY
Impact
SEVERE
Application / Business Specific
Threat Description Attack Vector Description Security Weakness Description Technical Impacts Business Impacts
Am I Vulnerable to Lack of Binary Protections?

You mobile application can accept data from all kinds of sources. In most cases this will be an Inter Process Communication (IPC) mechanism. In general try and adhere to the following IPC design patterns:

  • If there is a business requirement for IPC communication, the mobile application should restrict access to a white-list of trusted applications
  • Sensitive actions which are triggered through IPC entry points should require user interaction before performing the action
  • All input received from IPC entry points must undergo stringent input validation in order to prevent input driven attacks
  • Do not pass any sensitive information through IPC mechanisms, as it may be susceptible to being read by third party applications under certain scenarios
How Do I Prevent Lack of Binary Protections?


iOS Specific Examples:

  • Do not use the deprecated handleOpenURL method to handle URL Scheme calls. This method does not contain an argument containing the BundleID of the source application.
    • Instead use the openURL:sourceApplication:annotation method and validation the sourceApplication argument against a white-list of trusted applications
  • Do not use the iOS Pasteboard for IPC communications, as it is susceptible to being set or read by all third party apps on the device.

Android Specific Examples


Example Scenarios

Example Scenarios


References

References

An In Depth Introduction to the Android Permissions Modeland How to Secure MultiComponent Applications