CVE-2023-42933
📋 TL;DR
This macOS vulnerability allows an application to gain elevated privileges, potentially enabling unauthorized access to system resources. It affects macOS systems before Sonoma 14, allowing malicious apps to bypass security restrictions.
💻 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 →⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with root-level access, data theft, and persistent backdoor installation.
Likely Case
Local privilege escalation allowing unauthorized access to protected files and system functions.
If Mitigated
Limited impact with proper app sandboxing and user account restrictions in place.
🎯 Exploit Status
Requires local application execution; Apple has addressed with improved checks.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sonoma 14
Vendor Advisory: https://support.apple.com/en-us/HT213940
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sonoma 14 or later 5. Restart when prompted
🔧 Temporary Workarounds
Restrict App Installation
macosOnly allow apps from App Store and identified developers
sudo spctl --master-enable
sudo spctl --enable
🧯 If You Can't Patch
- Implement strict application allowlisting policies
- Use standard user accounts instead of admin accounts for daily use
🔍 How to Verify
Check if Vulnerable:
Check macOS version: if earlier than Sonoma 14, system is vulnerableCheck Version:
sw_versVerify Fix Applied:
Verify macOS version is Sonoma 14 or later📡 Detection & Monitoring
Log Indicators:
- Unexpected privilege escalation events in system logs
- Unauthorized access to protected directories
Network Indicators:
- None - local exploitation only
SIEM Query:
source="macos_system_logs" AND (event="privilege_escalation" OR process="sudo" from non-admin users)