CVE-2022-1931
📋 TL;DR
CVE-2022-1931 is an incorrect synchronization vulnerability in the trudesk help desk software that can lead to race conditions and data corruption. Attackers could exploit this to cause denial of service or potentially manipulate ticket data. All users running trudesk versions prior to 1.2.3 are affected.
💻 Affected Systems
- trudesk
📦 What is this software?
Trudesk by Trudesk Project
⚠️ Risk & Real-World Impact
Worst Case
Complete system instability leading to denial of service, potential data corruption of help desk tickets, and unauthorized modification of ticket data.
Likely Case
Intermittent system crashes, inconsistent ticket data display, and occasional service disruptions affecting help desk operations.
If Mitigated
Minor performance issues or occasional data inconsistencies that don't significantly impact operations.
🎯 Exploit Status
Exploitation requires understanding of race condition timing and may require authenticated access depending on specific vulnerable endpoints.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 1.2.3
Vendor Advisory: https://github.com/polonel/trudesk/commit/314540864dbf2c0eaa99aa42c3d317de9501eb67
Restart Required: Yes
Instructions:
1. Backup your trudesk data and configuration. 2. Update trudesk to version 1.2.3 or later using npm update. 3. Restart the trudesk service. 4. Verify the update was successful.
🔧 Temporary Workarounds
Rate Limiting
allImplement rate limiting on API endpoints to reduce the likelihood of race conditions being triggered
# Configure rate limiting in your reverse proxy or application firewall
Load Reduction
allReduce concurrent user load on the system to minimize race condition opportunities
# Implement user session limits and connection throttling
🧯 If You Can't Patch
- Isolate the trudesk instance from untrusted networks using firewall rules
- Implement strict access controls and monitor for unusual activity patterns
🔍 How to Verify
Check if Vulnerable:
Check package.json or run 'npm list trudesk' to see if version is below 1.2.3Check Version:
npm list trudesk | grep trudeskVerify Fix Applied:
Verify trudesk version is 1.2.3 or higher and test concurrent ticket operations for consistency📡 Detection & Monitoring
Log Indicators:
- Multiple simultaneous requests to same ticket endpoints
- Error messages about data consistency or synchronization
- Unusual spike in concurrent user sessions
Network Indicators:
- High frequency of similar API calls in short timeframes
- Multiple simultaneous connections from same source
SIEM Query:
source="trudesk" AND ("concurrent" OR "race" OR "synchronization" OR "data corruption")