CVE-2025-43411

5.5 MEDIUM

📋 TL;DR

This CVE describes an information disclosure vulnerability in macOS where applications could access sensitive user data due to insufficient entitlement checks. It affects macOS Sequoia, Tahoe, and Sonoma versions before the patched releases. The vulnerability allows unauthorized data access but requires an app to be present on the system.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Sequoia before 15.7.2, macOS Tahoe before 26.1, macOS Sonoma before 14.8.2
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable. The vulnerability is in the operating system's entitlement checking mechanism.

📦 What is this software?

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

Macos by Apple

macOS is Apple's desktop and laptop operating system powering Mac computers used by millions of professionals, developers, creative professionals, and enterprise users worldwide. Built on a Unix foundation with the Darwin kernel and modern Cocoa frameworks, macOS delivers a seamless ecosystem integr...

Learn more about Macos →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious app could access sensitive user data including passwords, personal files, or authentication tokens stored on the system.

🟠

Likely Case

Legitimate but poorly secured apps could inadvertently access data they shouldn't, potentially exposing user information.

🟢

If Mitigated

With proper app vetting and security controls, risk is limited to apps that have already bypassed initial security checks.

🌐 Internet-Facing: LOW - This vulnerability requires local app execution, not remote exploitation.
🏢 Internal Only: MEDIUM - Internal users could install or develop apps that exploit this vulnerability to access sensitive data.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires creating or modifying an app to bypass entitlement checks. No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.7.2, macOS Tahoe 26.1, macOS Sonoma 14.8.2

Vendor Advisory: https://support.apple.com/en-us/125634

Restart Required: Yes

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install available updates 5. Restart when prompted

🔧 Temporary Workarounds

Restrict App Installation

macOS

Only allow installation of apps from the App Store and identified developers

Gatekeeper Enforcement

macOS

Ensure Gatekeeper is enabled to verify app signatures

sudo spctl --master-enable

🧯 If You Can't Patch

  • Implement strict application allowlisting to control which apps can run
  • Use macOS privacy controls to restrict app access to sensitive data categories

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is earlier than the patched versions listed, the system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version matches or exceeds: Sequoia 15.7.2, Tahoe 26.1, or Sonoma 14.8.2

📡 Detection & Monitoring

Log Indicators:

  • Unusual app entitlement requests in system logs
  • Console.app entries showing unexpected data access

Network Indicators:

  • Not applicable - local vulnerability only

SIEM Query:

source="macos_system_logs" AND (entitlement OR "data access" OR "privacy violation")

🔗 References

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