CVE-2024-29871
📋 TL;DR
This SQL injection vulnerability in Sentrifugo 3.2 allows remote attackers to execute arbitrary SQL commands through the 'id' parameter in specific endpoints. Successful exploitation could lead to complete database compromise, including data theft, modification, or deletion. All organizations running vulnerable Sentrifugo instances are affected.
💻 Affected Systems
- Sentrifugo
📦 What is this software?
Sentrifugo by Sapplica
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, data destruction, authentication bypass, or full system takeover via subsequent attacks.
Likely Case
Unauthorized access to sensitive HR data, personal information theft, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation, WAF protection, and database permission restrictions preventing data extraction.
🎯 Exploit Status
SQL injection vulnerabilities are commonly weaponized, and this appears to be a straightforward parameter injection.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for latest patched version
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-sentrifugo
Restart Required: No
Instructions:
1. Review vendor advisory for patch details. 2. Update to latest Sentrifugo version. 3. Apply input validation fixes to affected endpoints. 4. Test functionality after patching.
🔧 Temporary Workarounds
WAF Rule Implementation
allDeploy web application firewall rules to block SQL injection patterns in the 'id' parameter
Input Validation Filter
allImplement server-side input validation to restrict 'id' parameter to expected numeric values only
🧯 If You Can't Patch
- Implement strict input validation on the affected endpoints to only accept expected numeric values
- Restrict network access to Sentrifugo instances using firewall rules and network segmentation
🔍 How to Verify
Check if Vulnerable:
Test the affected endpoints with SQL injection payloads in the 'id' parameter and monitor for database errors or unexpected responsesCheck Version:
Check Sentrifugo version in application interface or configuration filesVerify Fix Applied:
Attempt SQL injection tests after patching and verify they are blocked or sanitized📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple rapid requests to affected endpoints with suspicious parameters
- Database query patterns with concatenated user input
Network Indicators:
- HTTP requests containing SQL keywords in 'id' parameter
- Unusual database connection patterns from web server
SIEM Query:
web.url:*getdepartments* OR web.url:*updatecontactnumber* AND (web.param.id:SELECT OR web.param.id:UNION OR web.param.id:OR)