CVE-2024-44228

7.5 HIGH

📋 TL;DR

This CVE describes an improper permissions vulnerability in Xcode where applications could inherit Xcode's elevated permissions and access user data. It affects macOS users who have Xcode installed and run untrusted applications. The vulnerability allows sandboxed apps to bypass intended restrictions.

💻 Affected Systems

Products:
  • Xcode
Versions: Versions before Xcode 16
Operating Systems: macOS
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects systems with Xcode installed. Users who don't have Xcode installed are not vulnerable.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious app could access sensitive user data including documents, photos, credentials, and other protected resources by inheriting Xcode's permissions.

🟠

Likely Case

Malware or compromised applications could access user files and data they shouldn't normally have permission to read.

🟢

If Mitigated

With proper app vetting and security controls, the risk is limited to trusted applications only.

🌐 Internet-Facing: LOW - This requires local application execution, not directly exploitable over network.
🏢 Internal Only: MEDIUM - Risk exists when running untrusted applications locally on macOS systems with Xcode installed.

🎯 Exploit Status

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

Exploitation requires user to run a malicious application. No public exploit details available.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Xcode 16

Vendor Advisory: https://support.apple.com/en-us/121239

Restart Required: No

Instructions:

1. Open App Store on macOS 2. Search for Xcode 3. Click Update to install Xcode 16 4. Alternatively, download from developer.apple.com

🔧 Temporary Workarounds

Remove Xcode if not needed

all

Uninstall Xcode from systems where it's not required for development work

sudo rm -rf /Applications/Xcode.app
sudo rm -rf ~/Library/Developer

Restrict application execution

all

Use macOS Gatekeeper and only run applications from identified developers or App Store

🧯 If You Can't Patch

  • Only run trusted applications from verified sources
  • Use macOS sandboxing features and limit application permissions

🔍 How to Verify

Check if Vulnerable:

Check Xcode version: Open Xcode → About Xcode. If version is less than 16, system is vulnerable.

Check Version:

xcodebuild -version

Verify Fix Applied:

Verify Xcode version is 16 or higher in About Xcode dialog

📡 Detection & Monitoring

Log Indicators:

  • Unusual file access patterns by applications
  • Console logs showing permission errors or sandbox violations

Network Indicators:

  • Not applicable - local vulnerability

SIEM Query:

Not applicable for this local permission vulnerability

🔗 References

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