CVE-2025-43399
📋 TL;DR
This vulnerability allows malicious apps to bypass privacy protections and access sensitive user data that should be restricted. It affects iOS, iPadOS, and macOS users running vulnerable versions. The issue involves improper redaction of protected information.
💻 Affected Systems
- iOS
- iPadOS
- 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
Malicious app gains unauthorized access to sensitive user data including personal information, credentials, or private communications stored by other apps.
Likely Case
Malicious app accesses limited protected data from other applications, potentially exposing personal information or app-specific data.
If Mitigated
App sandboxing and privacy controls limit data exposure, but some protected information may still be accessible.
🎯 Exploit Status
Requires malicious app installation. Exploitation details not publicly disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iOS 18.7.2, iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1
Vendor Advisory: https://support.apple.com/en-us/125633
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Go to General > Software Update. 3. Download and install available update. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly install apps from trusted sources like official App Store
Review App Permissions
allRegularly review and restrict app permissions in privacy settings
🧯 If You Can't Patch
- Restrict app installation to App Store only
- Implement mobile device management (MDM) to control app installation
🔍 How to Verify
Check if Vulnerable:
Check device version in Settings > General > About > Software Version
Check Version:
Settings > General > About > Software Version (iOS/iPadOS) or About This Mac > macOS Version (macOS)
Verify Fix Applied:
Verify version is iOS 18.7.2+, iPadOS 18.7.2+, macOS Sequoia 15.7.2+, or macOS Tahoe 26.1+
📡 Detection & Monitoring
Log Indicators:
- Unusual app behavior accessing protected data areas
- Privacy permission violations in system logs
Network Indicators:
- Unusual data exfiltration from apps to external servers
SIEM Query:
Search for app permission violations or unusual data access patterns in system logs