CVE-2024-23208
📋 TL;DR
This is a memory corruption vulnerability (CWE-94: Improper Control of Generation of Code) in Apple operating systems that allows an application to execute arbitrary code with kernel privileges. It affects macOS, iOS, iPadOS, watchOS, and tvOS. Successful exploitation gives attackers full system control.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- watchOS
- tvOS
📦 What is this software?
Ipados by Apple
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 →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise: attacker gains kernel-level privileges, can install persistent malware, access all data, bypass security controls, and pivot to other systems.
Likely Case
Local privilege escalation: malicious app or user gains root/kernel access to compromise the device, steal credentials, and install backdoors.
If Mitigated
Limited impact if systems are fully patched, app sandboxing is enforced, and least privilege principles are followed.
🎯 Exploit Status
Exploitation requires local access or tricking user into installing malicious app. No public exploit code available as of analysis.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sonoma 14.3, watchOS 10.3, tvOS 17.3, iOS 17.3, iPadOS 17.3
Vendor Advisory: https://support.apple.com/en-us/HT214055
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Go to General > Software Update. 3. Install available updates. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly allow app installation from trusted sources (App Store) to prevent malicious apps from exploiting the vulnerability.
For macOS: System Preferences > Security & Privacy > General > Allow apps downloaded from: App Store
🧯 If You Can't Patch
- Isolate affected devices from critical networks and sensitive data
- Implement strict application control policies and monitor for unusual process activity
🔍 How to Verify
Check if Vulnerable:
Check OS version: Settings > General > About on iOS/iPadOS/watchOS/tvOS, or Apple menu > About This Mac on macOSCheck Version:
macOS: sw_vers -productVersion; iOS/iPadOS: Settings > General > About > Version; watchOS/tvOS: Settings > General > AboutVerify Fix Applied:
Verify OS version matches or exceeds patched versions listed in fix_official.patch_version📡 Detection & Monitoring
Log Indicators:
- Unexpected kernel extensions loading
- Processes running with unexpected root/kernel privileges
- System integrity protection (SIP) violations
Network Indicators:
- Unusual outbound connections from system processes
- DNS queries to suspicious domains from privileged processes
SIEM Query:
process where parent_process_name in ('kernel_task', 'launchd') and process_name not in (expected_system_processes)🔗 References
- http://seclists.org/fulldisclosure/2024/Jan/33
- http://seclists.org/fulldisclosure/2024/Jan/36
- http://seclists.org/fulldisclosure/2024/Jan/39
- http://seclists.org/fulldisclosure/2024/Jan/40
- https://support.apple.com/en-us/HT214055
- https://support.apple.com/en-us/HT214059
- https://support.apple.com/en-us/HT214060
- https://support.apple.com/en-us/HT214061
- http://seclists.org/fulldisclosure/2024/Jan/33
- http://seclists.org/fulldisclosure/2024/Jan/36
- http://seclists.org/fulldisclosure/2024/Jan/39
- http://seclists.org/fulldisclosure/2024/Jan/40
- https://support.apple.com/en-us/HT214055
- https://support.apple.com/en-us/HT214059
- https://support.apple.com/en-us/HT214060
- https://support.apple.com/en-us/HT214061
- https://support.apple.com/kb/HT214055
- https://support.apple.com/kb/HT214061
