CVE-2024-27869
📋 TL;DR
This vulnerability allows malicious apps to record the screen without displaying the standard recording indicator on Apple devices. It affects users of iOS, iPadOS, and macOS who have not updated to the latest versions.
💻 Affected Systems
- iOS
- iPadOS
- macOS
📦 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 →⚠️ Risk & Real-World Impact
Worst Case
An attacker could secretly record sensitive information displayed on the screen, including passwords, financial data, private messages, and confidential documents without user awareness.
Likely Case
Malicious apps in the App Store or sideloaded apps could capture user activity, potentially leading to credential theft, privacy violations, or corporate espionage.
If Mitigated
With proper app vetting and user awareness, the risk is limited to untrusted apps that users might install despite warnings.
🎯 Exploit Status
Exploitation requires a malicious app to be installed and executed on the target device. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iOS 18, iPadOS 18, macOS Sequoia 15
Vendor Advisory: https://support.apple.com/en-us/121238
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Go to General > Software Update. 3. Download and install iOS 18/iPadOS 18/macOS Sequoia 15. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation Sources
allOnly install apps from the official App Store and avoid sideloading or untrusted sources.
Monitor Screen Recording Indicators
allBe vigilant for missing screen recording indicators when using apps that shouldn't be recording.
🧯 If You Can't Patch
- Implement mobile device management (MDM) to restrict app installations to trusted sources only.
- Educate users about the risks of installing apps from untrusted sources and monitor for suspicious app behavior.
🔍 How to Verify
Check if Vulnerable:
Check device version in Settings > General > About > Software Version. If version is below iOS 18, iPadOS 18, or macOS Sequoia 15, the device is vulnerable.Check Version:
Settings > General > About > Software Version (iOS/iPadOS) or Apple menu > About This Mac > macOS versionVerify Fix Applied:
After updating, verify the Software Version shows iOS 18, iPadOS 18, or macOS Sequoia 15 or higher.📡 Detection & Monitoring
Log Indicators:
- Unusual screen capture processes in system logs
- Apps requesting screen recording permissions without user interaction
Network Indicators:
- Unexpected data exfiltration from devices to unknown destinations
SIEM Query:
Search for process names containing 'screen', 'capture', or 'record' in unexpected contexts or from untrusted apps.