CVE-2024-54531

5.5 MEDIUM

📋 TL;DR

This vulnerability allows an application to bypass kernel Address Space Layout Randomization (kASLR) on macOS, potentially enabling attackers to more easily exploit other memory corruption vulnerabilities. It affects macOS systems before version 15.2. Users running vulnerable macOS versions are at risk.

💻 Affected Systems

Products:
  • macOS
Versions: Versions before macOS Sequoia 15.2
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Requires an app to be running on the system, potentially through social engineering or malicious downloads.

📦 What is this software?

Macos by Apple

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⚠️ Risk & Real-World Impact

🔴

Worst Case

Successful exploitation could enable privilege escalation or arbitrary code execution in kernel context by chaining with other vulnerabilities.

🟠

Likely Case

Information disclosure about kernel memory layout, making subsequent exploitation of other vulnerabilities easier.

🟢

If Mitigated

Limited information disclosure with no direct code execution capability.

🌐 Internet-Facing: LOW
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires local app execution and likely needs to be chained with other vulnerabilities for full impact.

🛠️ 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 when prompted

🔧 Temporary Workarounds

Application Control

all

Restrict execution of untrusted applications through MDM or security software

🧯 If You Can't Patch

  • Implement strict application allowlisting policies
  • Monitor for suspicious process behavior and kernel memory access attempts

🔍 How to Verify

Check if Vulnerable:

Check macOS version in System Settings > General > About

Check Version:

sw_vers

Verify Fix Applied:

Verify macOS version is 15.2 or later

📡 Detection & Monitoring

Log Indicators:

  • Unusual kernel memory access patterns
  • Processes attempting to read kernel memory regions

SIEM Query:

Processes with unusual kernel memory access patterns on macOS systems

🔗 References

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