CVE-2025-43194
📋 TL;DR
This CVE describes a macOS vulnerability where an application can bypass file system protections and modify restricted areas. It affects macOS Ventura, Sonoma, and Sequoia versions before specific security updates. All users running vulnerable macOS versions are potentially affected.
💻 Affected Systems
- macOS
📦 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 →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 gain root-level file system access, install persistent malware, steal sensitive data, or render the system inoperable.
Likely Case
Malware or compromised applications could escalate privileges, modify system files, or bypass security controls.
If Mitigated
With proper app vetting and security controls, risk is limited to trusted apps behaving maliciously.
🎯 Exploit Status
Exploitation requires running a malicious or compromised application on the target system. No authentication bypass needed beyond app execution.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.7.7, macOS Sonoma 14.7.7, macOS Sequoia 15.6
Vendor Advisory: https://support.apple.com/en-us/124149
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 Application Installation
macOSLimit installation to App Store or identified developers only
sudo spctl --master-enable
sudo spctl --enable --label "Developer ID"
Enable Full Disk Access Restrictions
macOSUse Privacy & Security settings to restrict app access to protected areas
🧯 If You Can't Patch
- Implement strict application allowlisting and only run trusted, verified applications
- Use endpoint protection solutions that monitor for file system modification attempts
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is Ventura <13.7.7, Sonoma <14.7.7, or Sequoia <15.6, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version shows Ventura 13.7.7, Sonoma 14.7.7, or Sequoia 15.6 or later in System Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual file modifications in protected directories (/System, /usr, /etc)
- Applications requesting elevated file system access unexpectedly
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
source="macos" AND (event_type="file_modification" AND file_path IN ("/System/*", "/usr/*", "/etc/*"))