EUVD-2025-23359

Comprehensive Technical Analysis of EUVD-2025-23359

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-23359 is a SQL injection flaw in Gandia Integra Total, a product by TESI. This vulnerability affects versions from 2.1.2217.3 to 4.4.2236.1. The CVSS (Common Vulnerability Scoring System) base score of 9.3 indicates a critical severity level. The CVSS vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N breaks down as follows:

• AV:N (Attack Vector: Network): The vulnerability is exploitable over the network.
• AC:L (Attack Complexity: Low): The attack requires low complexity to exploit.
• AT:N (Attack Type: Network): The attack is network-based.
• PR:N (Privileges Required: None): No privileges are required to exploit the vulnerability.
• UI:N (User Interaction: None): No user interaction is required.
• VC:H (Vulnerability Consequence: High): The impact on confidentiality is high.
• VI:H (Vulnerability Impact: High): The impact on integrity is high.
• VA:H (Vulnerability Availability: High): The impact on availability is high.
• SC:N (Scope Change: None): The scope of the vulnerability does not change.
• SI:N (Scope Impact: None): The impact on the scope is none.
• SA:N (Scope Availability: None): The availability of the scope is none.

This high severity score underscores the critical nature of the vulnerability, which can lead to significant data breaches and system compromises.

2. Potential Attack Vectors and Exploitation Methods

The SQL injection vulnerability can be exploited through the idestudio parameter in the URL /encuestas/integraweb/html/view/acceso.php. An attacker can inject malicious SQL queries to manipulate the database. Potential attack vectors include:

• Data Exfiltration: Retrieving sensitive information from the database.
• Data Manipulation: Creating, updating, or deleting database entries to disrupt operations or inject malicious data.
• Privilege Escalation: Gaining higher privileges by manipulating database entries related to user roles and permissions.

Exploitation methods may involve:

• Automated Tools: Using automated SQL injection tools to identify and exploit the vulnerability.
• Manual Injection: Crafting custom SQL queries to target specific database operations.
• Blind SQL Injection: Using techniques to infer database structure and data without direct feedback.

3. Affected Systems and Software Versions

The vulnerability affects Gandia Integra Total versions from 2.1.2217.3 to 4.4.2236.1. Organizations using these versions are at risk and should prioritize mitigation efforts.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Patch Management: Apply the latest patches and updates provided by TESI.
• Input Validation: Implement robust input validation and sanitization for all user inputs, especially the idestudio parameter.
• Parameterized Queries: Use parameterized queries or prepared statements to prevent SQL injection.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL injection attempts.
• Database Security: Implement strict access controls and monitoring for database activities.
• Regular Audits: Conduct regular security audits and vulnerability assessments.

5. Impact on European Cybersecurity Landscape

The vulnerability in Gandia Integra Total poses a significant risk to European organizations using this software, particularly those in sectors handling sensitive data such as healthcare, finance, and government. The potential for data breaches and system compromises could lead to financial losses, reputational damage, and legal consequences under GDPR (General Data Protection Regulation).

6. Technical Details for Security Professionals

For security professionals, the following technical details are crucial:

• Vulnerable Parameter: The idestudio parameter in the URL /encuestas/integraweb/html/view/acceso.php is the entry point for the SQL injection.
• Exploitation Example: An attacker might inject a SQL query like idestudio=1'; DROP TABLE users; -- to delete a table.
• Detection: Monitor database logs for unusual queries and access patterns. Use intrusion detection systems (IDS) to identify SQL injection attempts.
• Response: In case of an incident, follow incident response procedures to contain the breach, investigate the extent of the compromise, and notify affected parties as required by GDPR.

Conclusion

The SQL injection vulnerability in Gandia Integra Total is a critical issue that requires immediate attention. Organizations should prioritize patching affected systems, implementing robust security measures, and conducting regular audits to mitigate the risk. The potential impact on the European cybersecurity landscape underscores the importance of proactive cybersecurity practices.

For further details, refer to the official notice at INCIBE.