CVE-2024-44211
📋 TL;DR
This vulnerability allows malicious applications to bypass symlink validation and access sensitive user data on macOS. It affects macOS systems before Sequoia 15.1. The issue involves improper handling of symbolic links that could lead to unauthorized data access.
💻 Affected Systems
- macOS
📦 What is this software?
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
Malicious app could access sensitive user files including documents, credentials, or personal data stored in user directories.
Likely Case
Malicious applications distributed through unofficial channels could exploit this to steal user data from compromised systems.
If Mitigated
With proper app sandboxing and only installing trusted applications from official sources, impact is minimal.
🎯 Exploit Status
Exploitation requires creating a malicious application that users must install and run. No public exploit code identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15.1
Vendor Advisory: https://support.apple.com/en-us/121564
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15.1 update 5. Restart when prompted
🔧 Temporary Workarounds
Restrict Application Installation
allOnly allow installation of applications from App Store and identified developers
Enable Gatekeeper
allEnsure Gatekeeper is enabled to verify applications before running
sudo spctl --master-enable
🧯 If You Can't Patch
- Only install applications from trusted sources and official App Store
- Implement application allowlisting to prevent unauthorized app execution
🔍 How to Verify
Check if Vulnerable:
Check macOS version: if before Sequoia 15.1, system is vulnerable
Check Version:
sw_vers
Verify Fix Applied:
Verify macOS version is 15.1 or later after update
📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns by applications
- Symlink creation in sensitive directories
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable - local file system access vulnerability