CVE-2025-43319

5.5 MEDIUM

📋 TL;DR

This vulnerability allows applications to bypass macOS security protections and access sensitive user data they shouldn't normally be able to reach. It affects macOS systems running vulnerable versions of Sonoma and Sequoia. The issue was resolved by Apple removing the problematic code.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Sonoma versions before 14.8, macOS Sequoia versions before 15.7
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable. The vulnerability is in the operating system itself, not specific applications.

📦 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 applications could access protected user data including personal files, credentials, or other sensitive information stored on the system.

🟠

Likely Case

Applications with legitimate purposes but excessive permissions could inadvertently access protected data, or malicious apps could harvest limited sensitive information.

🟢

If Mitigated

With proper application sandboxing and user permission controls, the impact would be limited to data accessible by already-trusted applications.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires a malicious or compromised application to be installed and executed on the target system. No public exploit code has been identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sonoma 14.8 or later, macOS Sequoia 15.7 or later

Vendor Advisory: https://support.apple.com/en-us/125111

Restart Required: Yes

Instructions:

1. Open System Settings > General > Software Update
2. Install available updates
3. Restart the system when prompted

🔧 Temporary Workarounds

Restrict Application Permissions

macOS

Review and limit application permissions in System Settings to reduce potential data exposure

🧯 If You Can't Patch

  • Implement strict application control policies to limit which applications can run on affected systems
  • Use macOS privacy controls to restrict application access to sensitive data categories

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If running Sonoma before 14.8 or Sequoia before 15.7, the system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 14.8 or later for Sonoma, or 15.7 or later for Sequoia

📡 Detection & Monitoring

Log Indicators:

  • Unusual application access patterns to protected directories or data stores

Network Indicators:

  • This is primarily a local privilege/data access issue with minimal network indicators

SIEM Query:

Not applicable - primarily local system activity

🔗 References

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