CVE-2022-31089
📋 TL;DR
Parse Server versions before 4.10.12 and 5.2.3 crash when processing certain invalid file requests, causing denial of service. This affects all Parse Server deployments, with single-instance deployments experiencing complete service disruption while clustered deployments may have reduced availability impact.
💻 Affected Systems
- Parse Server
📦 What is this software?
Parse Server by Parseplatform
Parse Server by Parseplatform
⚠️ Risk & Real-World Impact
Worst Case
Complete service outage for single-instance deployments, making the Parse Server unavailable until manually restarted.
Likely Case
Service disruption causing downtime, potentially leading to application unavailability and business impact.
If Mitigated
Minimal impact in clustered environments where other instances can handle requests while affected instance recovers.
🎯 Exploit Status
The advisory states 'certain types of invalid files requests' can trigger the crash, suggesting simple crafted requests can cause denial of service without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.10.12 or 5.2.3
Vendor Advisory: https://github.com/parse-community/parse-server/security/advisories/GHSA-xw6g-jjvf-wwf9
Restart Required: Yes
Instructions:
1. Identify your Parse Server version. 2. Update to version 4.10.12 if using Parse Server 4.x. 3. Update to version 5.2.3 if using Parse Server 5.x. 4. Restart the Parse Server service.
🔧 Temporary Workarounds
No workarounds available
allThe vendor advisory states there are no known workarounds for this vulnerability.
🧯 If You Can't Patch
- Implement load balancing with multiple Parse Server instances to reduce availability impact
- Deploy rate limiting and request validation at the network perimeter to filter suspicious file requests
🔍 How to Verify
Check if Vulnerable:
Check Parse Server version in package.json or via npm list parse-serverCheck Version:
npm list parse-server | grep parse-serverVerify Fix Applied:
Confirm version is 4.10.12 or higher for 4.x branch, or 5.2.3 or higher for 5.x branch📡 Detection & Monitoring
Log Indicators:
- Parse Server process crashes
- Unexpected restarts
- Error logs related to file request processing
Network Indicators:
- Sudden drop in Parse Server availability
- Increased failed requests to Parse Server endpoints
SIEM Query:
source="parse-server" AND ("crash" OR "restart" OR "unhandled exception")🔗 References
- https://github.com/parse-community/parse-server/commit/5be375dec2fa35425c1003ae81c55995ac72af92
- https://github.com/parse-community/parse-server/security/advisories/GHSA-xw6g-jjvf-wwf9
- https://github.com/parse-community/parse-server/commit/5be375dec2fa35425c1003ae81c55995ac72af92
- https://github.com/parse-community/parse-server/security/advisories/GHSA-xw6g-jjvf-wwf9
