CVE-2023-4092

8.8 HIGH

📋 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

Products:
  • Arconte Áurea
Versions: 1.5.0.0
Operating Systems: Not specified - likely multiple
Default Config Vulnerable: ⚠️ Yes
Notes: Only version 1.5.0.0 is confirmed affected. Other versions may be vulnerable but not confirmed.

📦 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.

🌐 Internet-Facing: HIGH - SQL injection vulnerabilities are easily exploitable and internet-facing systems are prime targets for automated attacks.
🏢 Internal Only: MEDIUM - Internal systems are still vulnerable to insider threats or compromised internal accounts, though attack surface is reduced.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

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

all

Implement strict input validation and parameterized queries to prevent SQL injection

Web Application Firewall Rules

all

Deploy 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"

🔗 References

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