CVE-2024-0258
📋 TL;DR
This memory handling vulnerability in Apple operating systems allows malicious apps to execute arbitrary code outside their sandbox or with elevated privileges. It affects iOS, iPadOS, tvOS, macOS, and watchOS users running vulnerable versions. Successful exploitation could lead to complete system compromise.
💻 Affected Systems
- iOS
- iPadOS
- tvOS
- macOS
- watchOS
📦 What is this software?
Ipad Os 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 takeover with kernel-level privileges, allowing attacker to install persistent malware, steal sensitive data, or disable security controls.
Likely Case
Malicious app escapes sandbox to access other apps' data, system files, or perform unauthorized actions with elevated privileges.
If Mitigated
Limited impact with proper app vetting, network segmentation, and security monitoring in place.
🎯 Exploit Status
Exploitation requires user to install malicious app. No public exploit code available at this time.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iOS 17.4, iPadOS 17.4, tvOS 17.4, macOS Sonoma 14.4, watchOS 10.4
Vendor Advisory: https://support.apple.com/en-us/HT214081
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Go to General > Software Update. 3. Download and install available update. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly allow app installation from trusted sources like Apple App Store
Settings > General > Device Management > Restrict App Installation
🧯 If You Can't Patch
- Implement strict app vetting and only install apps from trusted sources
- Use mobile device management (MDM) to enforce security policies and monitor for suspicious activity
🔍 How to Verify
Check if Vulnerable:
Check Settings > General > About > Version. If version is earlier than iOS 17.4, iPadOS 17.4, tvOS 17.4, macOS Sonoma 14.4, or watchOS 10.4, device is vulnerable.Check Version:
Settings > General > About > Version (iOS/iPadOS/tvOS/watchOS) or Apple menu > About This Mac (macOS)Verify Fix Applied:
Verify version is iOS 17.4 or later, iPadOS 17.4 or later, tvOS 17.4 or later, macOS Sonoma 14.4 or later, or watchOS 10.4 or later.📡 Detection & Monitoring
Log Indicators:
- Unexpected process execution outside app sandbox
- Privilege escalation attempts
- Unusual system calls from user apps
Network Indicators:
- Suspicious outbound connections from mobile/desktop apps
- Unexpected data exfiltration patterns
SIEM Query:
process_name:unexpected AND parent_process:mobile_app OR privilege_escalation:true🔗 References
- http://seclists.org/fulldisclosure/2024/Mar/21
- 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/HT214084
- https://support.apple.com/en-us/HT214086
- https://support.apple.com/en-us/HT214088
- http://seclists.org/fulldisclosure/2024/Mar/21
- 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/HT214084
- 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/HT214084
- https://support.apple.com/kb/HT214086
- https://support.apple.com/kb/HT214088
