CVE-2020-27232
📋 TL;DR
This SQL injection vulnerability in OpenClinic GA's 'manageServiceStocks.jsp' page allows authenticated attackers to execute arbitrary SQL commands. Attackers could potentially read, modify, or delete database contents. Organizations running vulnerable OpenClinic GA versions are affected.
💻 Affected Systems
- OpenClinic GA
📦 What is this software?
Openclinic Ga by Openclinic Ga Project
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data theft, data destruction, or full system takeover via SQL injection to RCE chaining
Likely Case
Unauthorized data access and modification of medical records, patient data, and system configurations
If Mitigated
Limited impact due to proper input validation, parameterized queries, and network segmentation
🎯 Exploit Status
Exploitation requires valid authentication credentials but SQL injection is straightforward once authenticated
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check OpenClinic GA updates post-5.173.3
Vendor Advisory: https://talosintelligence.com/vulnerability_reports/TALOS-2020-1206
Restart Required: Yes
Instructions:
1. Update to latest OpenClinic GA version 2. Apply vendor-provided patches 3. Restart application services
🔧 Temporary Workarounds
Input Validation Filter
allImplement input validation to block SQL injection patterns
Configure WAF rules to block SQL injection patterns in HTTP requests
Access Restriction
linuxRestrict access to vulnerable endpoint
iptables -A INPUT -p tcp --dport [app_port] -s [trusted_ips] -j ACCEPT
iptables -A INPUT -p tcp --dport [app_port] -j DROP
🧯 If You Can't Patch
- Implement web application firewall with SQL injection rules
- Restrict network access to OpenClinic GA to trusted IPs only
🔍 How to Verify
Check if Vulnerable:
Test authenticated access to /manageServiceStocks.jsp with SQL injection payloadsCheck Version:
Check OpenClinic GA version in application interface or configuration filesVerify Fix Applied:
Verify patch installation and test SQL injection attempts return errors instead of executing📡 Detection & Monitoring
Log Indicators:
- Unusual SQL queries in database logs
- Multiple failed login attempts followed by SQL injection patterns
Network Indicators:
- HTTP requests to manageServiceStocks.jsp containing SQL keywords
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND uri="/manageServiceStocks.jsp" AND (payload="UNION" OR payload="SELECT" OR payload="INSERT" OR payload="DELETE")