CVE-2025-24207
📋 TL;DR
This CVE describes a macOS permissions vulnerability where malicious applications can enable iCloud storage features without user consent. This affects macOS Ventura, Sequoia, and Sonoma users who haven't applied security updates. The vulnerability allows unauthorized access to iCloud storage capabilities.
💻 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 →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 exfiltrate sensitive data to attacker-controlled iCloud storage, access user files without permission, or enable persistent backdoor access through cloud storage.
Likely Case
Malware or compromised applications could silently upload user data to iCloud, potentially exposing personal or corporate information without user knowledge.
If Mitigated
With proper app vetting and security controls, risk is limited to trusted-but-compromised applications rather than arbitrary malware.
🎯 Exploit Status
Exploitation requires user to install/run malicious application. No public exploit code identified in references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Ventura 13.7.5, macOS Sequoia 15.4, macOS Sonoma 14.7.5
Vendor Advisory: https://support.apple.com/en-us/122373
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart when prompted.
🔧 Temporary Workarounds
Restrict Application Installation
macosOnly allow installation of applications from App Store and identified developers
sudo spctl --master-enable
sudo spctl --enable --label "Mac App Store"
sudo spctl --enable --label "Developer ID"
Disable iCloud Services
macosTemporarily disable iCloud services for high-risk users
🧯 If You Can't Patch
- Implement application allowlisting to prevent unauthorized app execution
- Monitor for unexpected iCloud storage activity or unauthorized file uploads
🔍 How to Verify
Check if Vulnerable:
Check macOS version in System Settings > General > About. If version is Ventura <13.7.5, Sequoia <15.4, or Sonoma <14.7.5, system is vulnerable.Check Version:
sw_versVerify Fix Applied:
Verify macOS version is Ventura 13.7.5, Sequoia 15.4, or Sonoma 14.7.5 or later.📡 Detection & Monitoring
Log Indicators:
- Unexpected iCloud service activations in system logs
- Application requesting iCloud entitlements without user interaction
Network Indicators:
- Unexpected connections to Apple iCloud servers from unauthorized applications
SIEM Query:
source="macos_system_logs" AND (event="iCloud" OR event="cloudservices") AND user_interaction="false"