CVE-2023-4092
📋 TL;DR
CVE-2023-4092 is a critical SQL injection vulnerability in Arconte Áurea version 1.5.0.0 that allows attackers to manipulate database queries. This could lead to data theft, data manipulation, and potentially remote code execution. Organizations using this specific version of Arconte Áurea are affected.
💻 Affected Systems
- Arconte Áurea
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise including data exfiltration, data destruction, and remote code execution leading to full control of affected systems.
Likely Case
Unauthorized access to sensitive database information, data manipulation, and potential privilege escalation within the application.
If Mitigated
Limited impact with proper input validation, parameterized queries, and network segmentation preventing lateral movement.
🎯 Exploit Status
SQL injection vulnerabilities typically have low exploitation complexity and can be exploited with basic tools like sqlmap.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in references - check vendor advisory
Vendor Advisory: https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-fujitsu-arconte-aurea
Restart Required: Yes
Instructions:
1. Contact Fujitsu for patch information 2. Apply vendor-provided patch 3. Restart application services 4. Verify patch application
🔧 Temporary Workarounds
Input Validation and Sanitization
allImplement strict input validation and parameterized queries to prevent SQL injection
Web Application Firewall Rules
allDeploy WAF rules to block SQL injection patterns
🧯 If You Can't Patch
- Implement network segmentation to isolate vulnerable systems
- Deploy intrusion detection/prevention systems with SQL injection signatures
🔍 How to Verify
Check if Vulnerable:
Check application version in admin interface or configuration files for version 1.5.0.0
Check Version:
Check application documentation for version check method - typically in admin panel or config files
Verify Fix Applied:
Verify version has been updated from 1.5.0.0 and test SQL injection vectors are blocked
📡 Detection & Monitoring
Log Indicators:
- Unusual database queries
- SQL error messages in logs
- Multiple failed login attempts with SQL syntax
Network Indicators:
- HTTP requests containing SQL keywords (SELECT, UNION, etc.)
- Unusual database connection patterns
SIEM Query:
source="web_logs" AND ("SELECT" OR "UNION" OR "INSERT" OR "DELETE") AND status="200"