CVE-2025-43295
📋 TL;DR
This CVE describes a denial-of-service vulnerability in Apple operating systems where an application could cause system instability or crashes. It affects macOS, iOS, and iPadOS users running vulnerable versions. The issue was addressed through improved input validation in Apple's security updates.
💻 Affected Systems
- macOS
- iOS
- iPadOS
📦 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 →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 cause complete system crash requiring reboot, potentially leading to data loss or service disruption.
Likely Case
App could cause temporary system instability, application crashes, or degraded performance until system is restarted.
If Mitigated
With proper app sandboxing and security controls, impact would be limited to the offending app rather than system-wide.
🎯 Exploit Status
Requires malicious app installation and execution. No public exploit details available from references.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: macOS Sonoma 14.8, macOS Sequoia 15.7, iOS 18.7, iPadOS 18.7
Vendor Advisory: https://support.apple.com/en-us/125109
Restart Required: Yes
Instructions:
1. Open System Settings > General > Software Update. 2. Install available updates. 3. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly allow installation of apps from trusted sources like App Store
For macOS: System Settings > Privacy & Security > Allow apps downloaded from: App Store
For iOS/iPadOS: Settings > General > Device Management > Enable restrictions
🧯 If You Can't Patch
- Implement strict application allowlisting policies
- Monitor for unusual app behavior or system instability
🔍 How to Verify
Check if Vulnerable:
Check current OS version against vulnerable versions listed in affected_systemsCheck Version:
macOS: sw_vers -productVersion, iOS/iPadOS: Settings > General > About > VersionVerify Fix Applied:
Verify OS version is equal to or greater than patched versions listed in fix_official📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Application crash reports
- System instability events in console logs
Network Indicators:
- None - local exploitation only
SIEM Query:
source="apple_system_logs" AND (event="kernel_panic" OR event="system_crash")🔗 References
- https://support.apple.com/en-us/125109
- https://support.apple.com/en-us/125111
- https://support.apple.com/en-us/125112
- http://seclists.org/fulldisclosure/2025/Sep/50
- http://seclists.org/fulldisclosure/2025/Sep/53
- http://seclists.org/fulldisclosure/2025/Sep/54
- http://seclists.org/fulldisclosure/2025/Sep/55
