CVE-2025-31213
📋 TL;DR
This CVE describes a logging vulnerability in Apple's iCloud Keychain where sensitive data (usernames and associated websites) was not properly redacted in logs. Any app running on affected Apple devices could potentially access this information, exposing user credentials and browsing history.
💻 Affected Systems
- iCloud Keychain
📦 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 →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 extracts all iCloud Keychain usernames and associated websites, enabling credential harvesting, targeted phishing attacks, and privacy violations.
Likely Case
Malicious apps or compromised legitimate apps access limited iCloud Keychain metadata, potentially exposing some user credentials and browsing patterns.
If Mitigated
With proper app sandboxing and security controls, only minimal data exposure occurs, but privacy is still compromised.
🎯 Exploit Status
Exploitation requires a malicious or compromised app with appropriate permissions running on the device.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iPadOS 17.7.7, macOS Ventura 13.7.6, macOS Sequoia 15.5, macOS Sonoma 14.7.6
Vendor Advisory: https://support.apple.com/en-us/122405
Restart Required: Yes
Instructions:
1. Open Settings/System Preferences. 2. Navigate to Software Update. 3. Download and install the latest available update. 4. Restart the device when prompted.
🔧 Temporary Workarounds
Disable iCloud Keychain
allTemporarily disable iCloud Keychain to prevent exposure of sensitive data.
Restrict App Permissions
allReview and restrict app permissions, especially for apps that don't require access to system logs or sensitive data.
🧯 If You Can't Patch
- Disable iCloud Keychain until patching is possible
- Use alternative password managers and disable iCloud Keychain synchronization
🔍 How to Verify
Check if Vulnerable:
Check the device's operating system version against the affected versions listed in the advisory.
Check Version:
On macOS: sw_vers. On iPadOS: Settings > General > About > Version.
Verify Fix Applied:
Verify the device is running iPadOS 17.7.7 or later, macOS Ventura 13.7.6 or later, macOS Sequoia 15.5 or later, or macOS Sonoma 14.7.6 or later.
📡 Detection & Monitoring
Log Indicators:
- Unusual app access to system logs or iCloud Keychain-related logs
- Apps requesting excessive logging permissions
Network Indicators:
- Unusual outbound connections from apps to unknown servers after accessing logs
SIEM Query:
App logs showing access to system or keychain logs from untrusted or newly installed applications.
🔗 References
- https://support.apple.com/en-us/122405
- https://support.apple.com/en-us/122716
- https://support.apple.com/en-us/122717
- https://support.apple.com/en-us/122718
- http://seclists.org/fulldisclosure/2025/May/6
- http://seclists.org/fulldisclosure/2025/May/7
- http://seclists.org/fulldisclosure/2025/May/8
- http://seclists.org/fulldisclosure/2025/May/9