CVE-2024-26264
📋 TL;DR
CVE-2024-26264 is an unauthenticated SQL injection vulnerability in EBM Technologies RISWEB's query function. Remote attackers can execute arbitrary SQL commands without authentication, potentially compromising the entire database. Organizations using affected EBM Technologies RISWEB versions are at risk.
💻 Affected Systems
- EBM Technologies RISWEB
📦 What is this software?
Risweb by Ebmtech
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise including data theft, modification, deletion, and potential system takeover via command execution.
Likely Case
Data exfiltration of sensitive medical records and system information, followed by database corruption or ransomware deployment.
If Mitigated
Limited impact with proper network segmentation, WAF rules, and input validation in place.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and this requires no authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references, but vendor likely provides updates.
Vendor Advisory: https://www.twcert.org.tw/tw/cp-132-7677-b1c0f-1.html
Restart Required: Yes
Instructions:
1. Contact EBM Technologies for patch details. 2. Apply the latest security update. 3. Restart the RISWEB service. 4. Verify the fix.
🔧 Temporary Workarounds
Network Access Control
allRestrict access to RISWEB to trusted IP addresses only.
Use firewall rules to allow only specific IPs to port 80/443
Web Application Firewall
allDeploy WAF with SQL injection rules to block exploit attempts.
Configure WAF to block SQL injection patterns
🧯 If You Can't Patch
- Implement strict input validation and parameterized queries in the application code.
- Disable or restrict the vulnerable query function page if not essential.
🔍 How to Verify
Check if Vulnerable:
Test the specific query function with SQL injection payloads (e.g., ' OR '1'='1) without authentication.Check Version:
Check RISWEB version via web interface or configuration files.Verify Fix Applied:
Retest with SQL injection payloads after patching; ensure no database errors or unauthorized access.📡 Detection & Monitoring
Log Indicators:
- SQL syntax errors in application logs
- Unusual database queries from web server IP
Network Indicators:
- HTTP requests with SQL keywords (SELECT, UNION, etc.) to the query function
SIEM Query:
source="web_logs" AND (url="*query_function*" AND (method="POST" OR method="GET") AND (content="*SELECT*" OR content="*UNION*" OR content="*OR '1'='1*"))