CVE-2025-24137
📋 TL;DR
This CVE describes a type confusion vulnerability in Apple operating systems that could allow a remote attacker to cause application crashes or execute arbitrary code. It affects multiple Apple platforms including iOS, iPadOS, macOS, visionOS, watchOS, and tvOS. Users running affected versions of these operating systems are vulnerable.
💻 Affected Systems
- iOS
- iPadOS
- macOS
- visionOS
- 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
Remote code execution with system-level privileges, potentially leading to complete system compromise, data theft, or persistent backdoor installation.
Likely Case
Application crashes (denial of service) or limited code execution in sandboxed contexts, potentially leading to data leakage or further privilege escalation.
If Mitigated
Application termination without code execution if exploit fails or is blocked by security controls.
🎯 Exploit Status
Type confusion vulnerabilities typically require specific conditions or user interaction to exploit. No public exploit code is currently available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iPadOS 17.7.4, macOS Sonoma 14.7.3, visionOS 2.3, iOS 18.3 and iPadOS 18.3, macOS Sequoia 15.3, watchOS 11.3, tvOS 18.3
Vendor Advisory: https://support.apple.com/en-us/122066
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest available update for your device. 4. Restart device when prompted.
🔧 Temporary Workarounds
Disable unnecessary services
allReduce attack surface by disabling unused network services and features
Application sandboxing enforcement
macOSEnsure applications run with minimal privileges using Apple's sandboxing features
🧯 If You Can't Patch
- Segment affected devices from critical network resources using network segmentation
- Implement application allowlisting to prevent execution of unauthorized code
🔍 How to Verify
Check if Vulnerable:
Check current OS version against affected versions list. On macOS: System Settings > General > About. On iOS/iPadOS: Settings > General > About.
Check Version:
macOS: sw_vers -productVersion; iOS/iPadOS: Settings > General > About > Version
Verify Fix Applied:
Verify OS version matches or exceeds patched versions listed in the advisory.
📡 Detection & Monitoring
Log Indicators:
- Unexpected application crashes
- Process termination with abnormal exit codes
- Memory access violation logs
Network Indicators:
- Unusual outbound connections from Apple devices
- Suspicious network traffic patterns to/from affected devices
SIEM Query:
source="apple_system_logs" AND (event_type="crash" OR event_type="segfault") AND device_os_version < "patched_version"
🔗 References
- https://support.apple.com/en-us/122066
- https://support.apple.com/en-us/122067
- https://support.apple.com/en-us/122068
- https://support.apple.com/en-us/122069
- https://support.apple.com/en-us/122071
- https://support.apple.com/en-us/122072
- https://support.apple.com/en-us/122073
- http://seclists.org/fulldisclosure/2025/Jan/13
- http://seclists.org/fulldisclosure/2025/Jan/14
- http://seclists.org/fulldisclosure/2025/Jan/15
- http://seclists.org/fulldisclosure/2025/Jan/16
- http://seclists.org/fulldisclosure/2025/Jan/18
- http://seclists.org/fulldisclosure/2025/Jan/19