CVE-2022-46720
📋 TL;DR
This CVE describes an integer overflow vulnerability in Apple operating systems that allows malicious applications to escape their security sandbox. It affects iOS, iPadOS, and macOS devices running vulnerable versions. Successful exploitation could allow an app to access system resources and data beyond its intended permissions.
💻 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
A malicious app could gain full system access, install persistent malware, access sensitive user data, and compromise the entire device.
Likely Case
Malicious apps from untrusted sources could access files, system resources, or other apps' data they shouldn't have permission to access.
If Mitigated
With proper app vetting and security controls, the risk is limited to apps that bypass Apple's review process or come from untrusted sources.
🎯 Exploit Status
Exploitation requires a malicious app to be installed and executed on the target device. No public exploit code is known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: iOS 16.2, iPadOS 16.2, macOS Ventura 13.1
Vendor Advisory: https://support.apple.com/en-us/HT213530
Restart Required: Yes
Instructions:
1. Open Settings app. 2. Go to General > Software Update. 3. Download and install the latest update. 4. Restart device when prompted.
🔧 Temporary Workarounds
Restrict App Installation
allOnly allow installation of apps from the official App Store
Device Management Controls
allUse MDM solutions to enforce app installation policies and block untrusted sources
🧯 If You Can't Patch
- Implement strict app installation policies to prevent untrusted apps
- Use mobile device management (MDM) to restrict app installation sources
🔍 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 16.2+, iPadOS 16.2+, or macOS Ventura 13.1+
📡 Detection & Monitoring
Log Indicators:
- Unusual app behavior, sandbox violation logs, unexpected file access patterns
Network Indicators:
- Unusual outbound connections from apps that shouldn't have network access
SIEM Query:
Search for sandbox violation events or unexpected privilege escalation in app logs