CVE-2024-44126
📋 TL;DR
This vulnerability allows an attacker to cause heap corruption by tricking a user into processing a maliciously crafted file. Successful exploitation could lead to arbitrary code execution or application crashes. It affects multiple Apple operating systems including macOS, iOS, iPadOS, and visionOS.
💻 Affected Systems
- macOS
- iOS
- iPadOS
- visionOS
📦 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 →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
Remote code execution with the privileges of the user processing the malicious file, potentially leading to full system compromise.
Likely Case
Application crash or denial of service when processing specially crafted files, with potential for limited code execution.
If Mitigated
No impact if systems are fully patched or if file processing is restricted to trusted sources.
🎯 Exploit Status
Exploitation requires user interaction to process malicious files. No public exploit code has been disclosed as of the advisory date.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.7.1, macOS Sequoia 15, iOS 17.7, iPadOS 17.7, macOS Sonoma 14.7, visionOS 2, iOS 18, iPadOS 18
Vendor Advisory: https://support.apple.com/en-us/121238
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart the device when prompted.
🔧 Temporary Workarounds
Restrict file processing
allLimit file processing to trusted sources and avoid opening files from unknown or untrusted origins.
🧯 If You Can't Patch
- Implement application whitelisting to restrict which applications can process files
- Use network segmentation to isolate vulnerable systems and restrict file transfers
🔍 How to Verify
Check if Vulnerable:
Check system version against affected versions listed in the Apple advisory.Check Version:
On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version.Verify Fix Applied:
Verify system version matches or exceeds patched versions listed in the advisory.📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing files
- Unexpected memory access violations in system logs
Network Indicators:
- Unusual file downloads from untrusted sources
- Suspicious email attachments being processed
SIEM Query:
source="apple_system_logs" AND (event="crash" OR event="memory_violation") AND process="*file_processor*"