CVE-2024-27813

8.6 HIGH

📋 TL;DR

This macOS vulnerability allows malicious applications to execute arbitrary code outside their sandbox or with elevated privileges. It affects macOS systems before version 14.5, potentially enabling privilege escalation and sandbox escape.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sonoma 14.5
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires malicious application execution; not remotely exploitable without user interaction.

📦 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...

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with root privileges, data exfiltration, persistence mechanisms installation, and lateral movement across the network.

🟠

Likely Case

Local privilege escalation allowing attackers to bypass application sandboxes, access sensitive data, or install additional malware.

🟢

If Mitigated

Limited impact with proper application vetting, least privilege principles, and network segmentation in place.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires user to execute malicious application; technical details not publicly disclosed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sonoma 14.5

Vendor Advisory: https://support.apple.com/en-us/HT214106

Restart Required: Yes

Instructions:

1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sonoma 14.5 or later 5. Restart when prompted

🔧 Temporary Workarounds

Application Restriction

macos

Restrict application installation to App Store only

sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"

🧯 If You Can't Patch

  • Implement application allowlisting to prevent unauthorized applications from executing
  • Enforce least privilege principles and network segmentation for macOS systems

🔍 How to Verify

Check if Vulnerable:

Check macOS version: if earlier than 14.5, system is vulnerable

Check Version:

sw_vers -productVersion

Verify Fix Applied:

Verify macOS version is 14.5 or later after update

📡 Detection & Monitoring

Log Indicators:

  • Unusual process spawning, privilege escalation attempts, sandbox violation logs

Network Indicators:

  • Outbound connections from unexpected processes post-exploitation

SIEM Query:

process where parent_process_name contains "sandbox" and process_name not in allowed_apps_list

🔗 References

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