CVE-2022-48618

7.0 HIGH

📋 TL;DR

This vulnerability allows an attacker with arbitrary read/write capability to bypass Pointer Authentication security mechanisms on Apple devices. It affects macOS, iOS, iPadOS, watchOS, and tvOS systems running older versions. Apple has confirmed this issue may have been exploited in the wild against pre-iOS 15.7.1 versions.

💻 Affected Systems

Products:
  • macOS
  • iOS
  • iPadOS
  • watchOS
  • tvOS
Versions: Versions before macOS Ventura 13.1, iOS 16.2, iPadOS 16.2, watchOS 9.2, tvOS 16.2
Operating Systems: macOS, iOS, iPadOS, watchOS, tvOS
Default Config Vulnerable: ⚠️ Yes
Notes: All default configurations of affected versions are vulnerable. Apple reports possible exploitation against iOS versions before 15.7.1.

📦 What is this software?

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

Complete system compromise allowing privilege escalation, code execution, and bypass of security mitigations like ASLR and sandboxing.

🟠

Likely Case

Privilege escalation leading to unauthorized access to sensitive data or system resources.

🟢

If Mitigated

Limited impact if systems are fully patched and other security controls like network segmentation are in place.

🌐 Internet-Facing: MEDIUM - Requires attacker to have initial access or exploit another vulnerability first.
🏢 Internal Only: MEDIUM - Could be used for lateral movement or privilege escalation once inside network.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: CONFIRMED
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires attacker to already have arbitrary read/write capability. Apple confirms possible exploitation in the wild.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: macOS Ventura 13.1, iOS 16.2, iPadOS 16.2, watchOS 9.2, tvOS 16.2

Vendor Advisory: https://support.apple.com/en-us/HT213530

Restart Required: Yes

Instructions:

1. Go to Settings > General > Software Update on iOS/iPadOS/watchOS/tvOS. 2. Install available updates. 3. For macOS, go to System Settings > General > Software Update. 4. Install macOS Ventura 13.1 or later.

🔧 Temporary Workarounds

No effective workarounds

all

This is a core security mechanism bypass requiring vendor patch

🧯 If You Can't Patch

  • Isolate affected devices from untrusted networks and limit network access
  • Implement strict application control and monitor for unusual privilege escalation attempts

🔍 How to Verify

Check if Vulnerable:

Check system version against affected versions list. On macOS: sw_vers -productVersion. On iOS/iPadOS: Settings > General > About > Version.

Check Version:

macOS: sw_vers -productVersion; iOS/iPadOS/watchOS/tvOS: Check in Settings > General > About

Verify Fix Applied:

Verify system version is equal to or newer than patched versions: macOS ≥13.1, iOS/iPadOS ≥16.2, watchOS ≥9.2, tvOS ≥16.2

📡 Detection & Monitoring

Log Indicators:

  • Unexpected privilege escalation events
  • Kernel panic or crash logs related to pointer authentication

Network Indicators:

  • Unusual outbound connections from Apple devices after initial compromise

SIEM Query:

source="apple-device-logs" AND (event_type="privilege_escalation" OR message="*pointer*auth*")

🔗 References

📤 Share & Export