CVE-2022-24901
📋 TL;DR
This vulnerability allows attackers to bypass authentication in Parse Server's Apple Game Center adapter by exploiting improper URL validation of Apple certificates. Attackers can potentially gain unauthorized access or launch denial-of-service attacks. This affects any Parse Server deployment using the Apple Game Center authentication adapter.
💻 Affected Systems
- parse-community/parse-server
📦 What is this software?
Parse Server by Parseplatform
Parse Server by Parseplatform
⚠️ Risk & Real-World Impact
Worst Case
Complete authentication bypass allowing unauthorized access to protected resources, potential data exposure, and server compromise leading to DoS.
Likely Case
Authentication bypass enabling unauthorized access to user accounts and protected API endpoints, potentially leading to data manipulation or extraction.
If Mitigated
Limited impact with proper network segmentation and authentication layers, though still vulnerable to targeted attacks.
🎯 Exploit Status
Exploitation requires sending specially crafted requests to the Apple Game Center authentication endpoint. No authentication is needed to trigger the vulnerability.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.10.14 or 5.0.0-beta.1 and later
Vendor Advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-qf8x-vqjv-92gr
Restart Required: Yes
Instructions:
1. Update Parse Server to version 4.10.14 or later. 2. For npm: 'npm update parse-server'. 3. Restart the Parse Server application. 4. Verify the update with 'npm list parse-server'.
🔧 Temporary Workarounds
Disable Apple Game Center Authentication
allTemporarily disable the vulnerable authentication adapter until patching is possible
Modify Parse Server configuration to remove or disable Apple Game Center authentication
🧯 If You Can't Patch
- Implement network-level restrictions to limit access to Parse Server authentication endpoints
- Deploy a web application firewall (WAF) with rules to detect and block malicious authentication attempts
🔍 How to Verify
Check if Vulnerable:
Check Parse Server version: if using Apple Game Center auth and version is below 4.10.14 or 5.0.0-beta.1, system is vulnerable.Check Version:
npm list parse-server | grep parse-serverVerify Fix Applied:
Verify Parse Server version is 4.10.14 or later, or 5.0.0-beta.1 or later. Test Apple Game Center authentication functionality.📡 Detection & Monitoring
Log Indicators:
- Unusual authentication patterns from Apple Game Center endpoints
- Failed authentication attempts with malformed certificate URLs
- High volume of authentication requests to vulnerable endpoint
Network Indicators:
- Unusual traffic patterns to /parse/users endpoint with Apple Game Center parameters
- Requests containing malformed or suspicious certificate URLs
SIEM Query:
source="parse-server" AND (url="*users*" AND method="POST" AND params="*gameCenter*" AND response_status="200")