CVE-2024-2724
📋 TL;DR
This SQL injection vulnerability in the CIGESv2 system allows remote attackers to execute arbitrary SQL queries through the 'idServicio' parameter in /ajaxServiciosAtencion.php. Successful exploitation could lead to complete database compromise, including data theft, modification, or deletion. Organizations using CIGESv2 systems are affected.
💻 Affected Systems
- CIGESv2 system
📦 What is this software?
Ciges by Atisoluciones
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to data exfiltration, data destruction, or full system takeover via subsequent attacks.
Likely Case
Unauthorized access to sensitive data stored in the database, potentially including personal information, medical records, or system credentials.
If Mitigated
Limited or no impact if proper input validation, parameterized queries, and web application firewalls are implemented.
🎯 Exploit Status
SQL injection vulnerabilities are well-understood and easily weaponized. The CVSS 9.8 score indicates trivial exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check vendor advisory for specific patched version
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-cigesv2-system
Restart Required: Yes
Instructions:
1. Review vendor advisory for patch details. 2. Apply the official patch from the vendor. 3. Restart the CIGESv2 application/service. 4. Verify the fix is working.
🔧 Temporary Workarounds
Web Application Firewall (WAF)
allDeploy a WAF with SQL injection protection rules to block malicious requests.
Input Validation Filter
allImplement server-side input validation to reject malicious 'idServicio' parameter values.
🧯 If You Can't Patch
- Implement network segmentation to isolate CIGESv2 systems from untrusted networks
- Deploy a web application firewall with SQL injection detection rules
🔍 How to Verify
Check if Vulnerable:
Test the /ajaxServiciosAtencion.php endpoint with SQL injection payloads in the 'idServicio' parameter.Check Version:
Check CIGESv2 documentation or system interface for version informationVerify Fix Applied:
Retest with SQL injection payloads after patching to confirm they are rejected or properly handled.📡 Detection & Monitoring
Log Indicators:
- Unusual SQL error messages in application logs
- Multiple rapid requests to /ajaxServiciosAtencion.php with suspicious parameters
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.) in the 'idServicio' parameter
SIEM Query:
source="web_logs" AND url="/ajaxServiciosAtencion.php" AND (param="*SELECT*" OR param="*UNION*" OR param="*OR*1=1*")