CVE-2024-27860
📋 TL;DR
This memory handling vulnerability in macOS allows applications to read restricted memory regions they shouldn't access. It affects macOS systems before Sequoia 15, potentially enabling information disclosure of sensitive data.
💻 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
An attacker could read sensitive kernel memory, potentially extracting encryption keys, passwords, or other protected data, leading to complete system compromise.
Likely Case
Malicious applications could read memory from other processes, potentially stealing authentication tokens, session data, or other sensitive information.
If Mitigated
With proper application sandboxing and least privilege principles, impact would be limited to data accessible by the compromised application's permissions.
🎯 Exploit Status
Exploitation requires a malicious application to be installed and executed on the target system. No remote exploitation vector identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sequoia 15
Vendor Advisory: https://support.apple.com/en-us/121238
Restart Required: Yes
Instructions:
1. Open System Settings 2. Click General 3. Click Software Update 4. Install macOS Sequoia 15 update 5. Restart when prompted
🔧 Temporary Workarounds
Application Sandboxing Enforcement
allEnforce strict application sandboxing policies to limit what applications can access
🧯 If You Can't Patch
- Restrict installation of untrusted applications through MDM or policy controls
- Implement strict application allowlisting to prevent execution of potentially malicious software
🔍 How to Verify
Check if Vulnerable:
Check macOS version: if version is earlier than 15.0, system is vulnerableCheck Version:
sw_versVerify Fix Applied:
Verify macOS version is 15.0 or later via System Settings > General > About📡 Detection & Monitoring
Log Indicators:
- Unusual memory access patterns in system logs
- Applications requesting excessive memory permissions
Network Indicators:
- No network indicators for this local vulnerability
SIEM Query:
Process monitoring for unusual memory access patterns or privilege escalation attempts