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You can't trust macOS Privacy and Security settings (eclecticlight.co)

512 points by zdw · 142 days ago · 170 comments on HN

Article summary

The article discusses a potential security issue with macOS's Privacy and Security settings, where an app can gain access to a protected folder without the user's consent. This can happen when a user selects a protected folder in an Open and Save Panel, which can grant the app access to the folder even if the user has previously denied access. The issue is demonstrated using a custom app called Insent, which can access a protected folder even after the user has disabled access in the Privacy and Security settings. The article suggests that this is a flaw in the macOS sandboxing system, which can be exploited by malicious apps.

Main themes

  • macOS security
  • Privacy and Security settings
  • Sandboxing system
  • App permissions
  • User consent
  • Security vulnerabilities

What commenters say

  • The issue is a security vulnerability that can be exploited by malicious apps to gain unauthorized access to protected folders.
  • The problem is not a vulnerability, but rather a UX bug that can be frustrating for users, but does not pose a significant security risk.
  • The macOS sandboxing system is flawed and can be bypassed by apps, which can lead to security issues.
  • The issue is not specific to macOS, but rather a general problem with app permissions and user consent in modern operating systems.
  • The traditional Unix permissions model is not effective for end-user setups and can lead to security issues.
  • Containerization is a more effective way to manage app permissions and security, but it can be resource-intensive and may not be suitable for all use cases.
  • Apple's handling of app permissions and security is inconsistent and can be confusing for users, with some apps being exempt from certain permissions.
  • The issue highlights the need for more transparency and control over app permissions and security settings in macOS.