CVE-2019-8602

7.8 HIGH

📋 TL;DR

CVE-2019-8602 is a memory corruption vulnerability in SQLite that allows malicious applications to execute arbitrary code with elevated privileges. It affects Apple iOS, macOS, tvOS, watchOS, iTunes for Windows, and iCloud for Windows. Attackers could gain unauthorized access to sensitive data or system resources.

💻 Affected Systems

Products:
  • iOS
  • macOS
  • tvOS
  • watchOS
  • iTunes for Windows
  • iCloud for Windows
Versions: Versions before iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, iTunes 12.9.5, iCloud 7.12
Operating Systems: iOS, macOS, tvOS, watchOS, Windows
Default Config Vulnerable: ⚠️ Yes
Notes: Affects all default installations of listed Apple products. SQLite is embedded in these systems.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Full system compromise with root/admin privileges, allowing data theft, persistence installation, and lateral movement across networks.

🟠

Likely Case

Local privilege escalation enabling attackers to bypass sandbox restrictions and access protected system resources.

🟢

If Mitigated

Limited impact with proper application sandboxing and least privilege principles in place.

🌐 Internet-Facing: LOW - Requires local application execution, not directly exploitable over network.
🏢 Internal Only: HIGH - Malicious applications can exploit this locally to elevate privileges on compromised devices.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Exploitation requires a malicious application to be installed and executed on the target system. Checkpoint Research published technical details.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, watchOS 5.2.1, iTunes 12.9.5, iCloud 7.12

Vendor Advisory: https://support.apple.com/HT210118

Restart Required: Yes

Instructions:

1. Update iOS/macOS/tvOS/watchOS through System Preferences > Software Update. 2. Update iTunes/iCloud through Apple Software Update on Windows. 3. Restart devices after installation.

🔧 Temporary Workarounds

Application Whitelisting

all

Restrict installation of untrusted applications to prevent malicious apps from exploiting the vulnerability.

Sandbox Enforcement

all

Ensure applications run with minimal privileges using OS sandboxing features.

🧯 If You Can't Patch

  • Implement strict application control policies to block untrusted software installation
  • Isolate affected systems from critical network segments and monitor for suspicious activity

🔍 How to Verify

Check if Vulnerable:

Check system version against affected versions list. On macOS: System Information > Software > System Version. On iOS: Settings > General > About > Version.

Check Version:

macOS: sw_vers -productVersion, iOS: UIDevice.current.systemVersion (programmatic), Windows: Check About in iTunes/iCloud

Verify Fix Applied:

Confirm system version matches or exceeds patched versions listed in fix_official.patch_version.

📡 Detection & Monitoring

Log Indicators:

  • Unexpected process privilege escalation
  • SQLite-related crash reports
  • Application sandbox violation logs

Network Indicators:

  • Unusual outbound connections from elevated processes
  • Lateral movement attempts from compromised hosts

SIEM Query:

Process creation events where parent process is untrusted application and child process has elevated privileges

🔗 References

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