CVE-2024-23278
📋 TL;DR
This vulnerability allows a malicious app to escape its sandbox restrictions on Apple operating systems, potentially accessing system resources or other apps' data. It affects macOS, iOS, iPadOS, watchOS, and tvOS users running vulnerable versions.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- watchOS
- tvOS
📦 What is this software?
Ipados by Apple
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 →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 with arbitrary code execution, data theft, and persistence establishment.
Likely Case
App data exfiltration, privilege escalation, and unauthorized access to system resources.
If Mitigated
Limited impact due to sandbox escape prevention and app isolation.
🎯 Exploit Status
Exploitation requires user to install a malicious app; no public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.6.5, macOS Sonoma 14.4, iOS 17.4, iPadOS 17.4, watchOS 10.4, iOS 16.7.6, iPadOS 16.7.6, tvOS 17.4
Vendor Advisory: https://support.apple.com/en-us/HT214081
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Install the latest available update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly install apps from trusted sources like the App Store.
🧯 If You Can't Patch
- Implement application allowlisting to restrict untrusted app execution.
- Use mobile device management (MDM) to enforce security policies and monitor for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Check the OS version in Settings > General > About (iOS/iPadOS) or Apple menu > About This Mac (macOS).Check Version:
sw_vers (macOS) or Settings > General > About > Version (iOS/iPadOS)Verify Fix Applied:
Confirm the OS version matches or exceeds the patched versions listed in the vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Unexpected process spawning, sandbox violation logs, unauthorized file access attempts
Network Indicators:
- Unusual outbound connections from apps, data exfiltration patterns
SIEM Query:
Process creation events from apps with elevated privileges or sandbox escape attempts.🔗 References
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://seclists.org/fulldisclosure/2024/Mar/22
- http://seclists.org/fulldisclosure/2024/Mar/24
- http://seclists.org/fulldisclosure/2024/Mar/25
- https://support.apple.com/en-us/HT214081
- https://support.apple.com/en-us/HT214082
- https://support.apple.com/en-us/HT214084
- https://support.apple.com/en-us/HT214085
- https://support.apple.com/en-us/HT214086
- https://support.apple.com/en-us/HT214088
- https://support.apple.com/kb/HT214085
- http://seclists.org/fulldisclosure/2024/Mar/21
- http://seclists.org/fulldisclosure/2024/Mar/22
- http://seclists.org/fulldisclosure/2024/Mar/24
- http://seclists.org/fulldisclosure/2024/Mar/25
- https://support.apple.com/en-us/HT214081
- https://support.apple.com/en-us/HT214082
- https://support.apple.com/en-us/HT214084
- https://support.apple.com/en-us/HT214085
- https://support.apple.com/en-us/HT214086
- https://support.apple.com/en-us/HT214088
- https://support.apple.com/kb/HT214081
- https://support.apple.com/kb/HT214082
- https://support.apple.com/kb/HT214084
- https://support.apple.com/kb/HT214085
- https://support.apple.com/kb/HT214086
- https://support.apple.com/kb/HT214088
