CVE-2024-54559

5.5 MEDIUM

📋 TL;DR

This CVE describes a macOS vulnerability where applications could bypass security checks and access sensitive user data. It affects macOS systems before Sequoia 15.2. The vulnerability requires an attacker to have a malicious application installed on the target system.

💻 Affected Systems

Products:
  • macOS
Versions: All versions before macOS Sequoia 15.2
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default macOS configurations are vulnerable before the patch. The vulnerability requires application execution on the target system.

📦 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 application could access sensitive user data including passwords, personal files, or other protected information stored on the system.

🟠

Likely Case

Malicious applications could access user data they shouldn't have permission to access, potentially leading to data theft or privacy violations.

🟢

If Mitigated

With proper application vetting and security controls, the risk is limited to trusted applications that might have vulnerabilities.

🌐 Internet-Facing: LOW - This vulnerability requires local application execution, not direct internet exposure.
🏢 Internal Only: MEDIUM - Malicious applications could exploit this to access sensitive data on compromised systems.

🎯 Exploit Status

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

Exploitation requires a malicious application to be installed and executed on the target system. No public exploit code is currently available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Sequoia 15.2

Vendor Advisory: https://support.apple.com/en-us/121839

Restart Required: Yes

Instructions:

1. Open System Settings. 2. Click General. 3. Click Software Update. 4. Install macOS Sequoia 15.2 update. 5. Restart the system when prompted.

🔧 Temporary Workarounds

Application Restriction

macos

Restrict installation of untrusted applications using macOS security settings

sudo spctl --master-enable
sudo spctl --enable --label "Developer ID"

🧯 If You Can't Patch

  • Implement strict application control policies to prevent installation of untrusted applications
  • Use macOS privacy controls to limit application access to sensitive data

🔍 How to Verify

Check if Vulnerable:

Check macOS version: if running any version before Sequoia 15.2, the system is vulnerable.

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 15.2 or later after applying the update.

📡 Detection & Monitoring

Log Indicators:

  • Unusual application behavior accessing protected resources
  • Privacy permission violations in system logs

Network Indicators:

  • Not applicable - local vulnerability

SIEM Query:

Not applicable - no network indicators for this local vulnerability

🔗 References

📤 Share & Export