MASWE-0065: Sensitive Data Permanently Shared with Other Apps

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Check our GitHub Issues for MASWE-0065

Initial Description or Hints

Provide clients one-time access to data. For example using URI permission grant flags and content provider permissions to display an app's PDF file in a separate PDF Viewer app.

Relevant Topics

• content providers
• FLAG_GRANT_READ_URI_PERMISSION
• FLAG_GRANT_WRITE_URI_PERMISSION
• FLAG_GRANT_PERSISTABLE
• content URIs
• file URIs

References

• https://developer.android.com/topic/security/risks/content-resolver
• https://developer.android.com/reference/androidx/core/content/FileProvider
• https://developer.android.com/topic/security/risks/file-providers
• https://developer.android.com/privacy-and-security/security-tips#ContentProviders

MASTG v1 Coverage

• MASTG-TEST-0056 - Determining Whether Sensitive Data Is Exposed via IPC Mechanisms (ios)
• MASTG-TEST-0007 - Determining Whether Sensitive Stored Data Has Been Exposed via IPC Mechanisms (android)