CVE-2025-43303
📋 TL;DR
This CVE describes a logging vulnerability in Apple operating systems where sensitive user data may not be properly redacted in logs. An application could potentially access this sensitive information through system logs. Affected users include anyone running vulnerable versions of visionOS, tvOS, iOS, iPadOS, or watchOS.
💻 Affected Systems
- visionOS
- tvOS
- iOS
- iPadOS
- watchOS
📦 What is this software?
Ipados by Apple
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 →Tvos by Apple
Watchos by Apple
⚠️ Risk & Real-World Impact
Worst Case
Malicious app could extract sensitive user data like authentication tokens, personal information, or device identifiers from system logs, leading to data breach or account compromise.
Likely Case
App with legitimate permissions could inadvertently access sensitive data from logs, potentially violating user privacy or exposing information to other apps.
If Mitigated
With proper app sandboxing and minimal permissions, impact is limited to data the app already has legitimate access to.
🎯 Exploit Status
Exploitation requires a malicious or compromised app to be installed and running on the device. The app needs appropriate permissions to access system logs.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: visionOS 26, tvOS 26, iOS 26, iPadOS 26, watchOS 26
Vendor Advisory: https://support.apple.com/en-us/125108
Restart Required: No
Instructions:
1. Open Settings app. 2. Navigate to General > Software Update. 3. Download and install the latest OS update (version 26 or later). 4. The device will automatically restart during installation.
🔧 Temporary Workarounds
Restrict App Permissions
allLimit app permissions to minimum required functionality, especially for apps that don't need log access.
Disable Debug Logging
allTurn off developer/debug logging features if enabled, as these may contain more sensitive information.
🧯 If You Can't Patch
- Implement strict app vetting and only install apps from trusted sources
- Use Mobile Device Management (MDM) to enforce security policies and restrict app installations
🔍 How to Verify
Check if Vulnerable:
Check device OS version in Settings > General > About > Software Version. If version is below 26, device is vulnerable.Check Version:
Settings app navigation: General > About > Software VersionVerify Fix Applied:
After updating, verify Software Version shows 26 or higher in Settings > General > About.📡 Detection & Monitoring
Log Indicators:
- Unusual log access patterns by apps
- Apps accessing system logs without clear need
Network Indicators:
- No network indicators - this is a local vulnerability
SIEM Query:
No direct SIEM detection - monitor for unusual app behavior or log access patterns on mobile devices