CVE-2024-44264

5.5 MEDIUM

📋 TL;DR

This macOS vulnerability allows malicious applications to create symbolic links to protected disk regions, potentially bypassing security restrictions. It affects macOS Ventura and Sonoma users who haven't updated to the patched versions. The issue stems from improper symlink validation that could enable unauthorized access to sensitive areas.

💻 Affected Systems

Products:
  • macOS
Versions: macOS Ventura before 13.7.1, macOS Sonoma before 14.7.1
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected macOS versions are vulnerable. Requires malicious app installation.

📦 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 →

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 or modify protected system files, potentially leading to privilege escalation, data theft, or system compromise.

🟠

Likely Case

Malicious app circumvents sandbox restrictions to access user data or system resources it shouldn't have access to.

🟢

If Mitigated

With proper app vetting and security controls, impact is limited to isolated app sandbox breaches.

🌐 Internet-Facing: LOW - Requires local malicious app installation, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Malicious insider or compromised app could exploit this locally on affected systems.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires user to install malicious app. Public disclosures suggest proof-of-concept exists.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Ventura 13.7.1, macOS Sonoma 14.7.1

Vendor Advisory: https://support.apple.com/en-us/121568

Restart Required: Yes

Instructions:

1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart when prompted.

🔧 Temporary Workarounds

Restrict App Installation

all

Only install apps from trusted sources like App Store or identified developers

Enable Gatekeeper

macOS

Ensure Gatekeeper is enabled to block unauthorized apps

sudo spctl --master-enable

🧯 If You Can't Patch

  • Implement application allowlisting to prevent unauthorized app execution
  • Use endpoint protection to detect and block suspicious symlink creation

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About. If version is Ventura <13.7.1 or Sonoma <14.7.1, system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is Ventura 13.7.1 or Sonoma 14.7.1 or later.

📡 Detection & Monitoring

Log Indicators:

  • Unusual symlink creation in protected directories
  • App sandbox violation logs

Network Indicators:

  • Not network exploitable

SIEM Query:

process_name:ln AND target_path:/System/* OR target_path:/private/* OR target_path:/Library/*

🔗 References

📤 Share & Export