EUVD-2025-3990

Comprehensive Technical Analysis of EUVD-2025-3990

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-3990 pertains to a SQL Injection flaw in the WeGIA application, specifically within the salvar_tag.php endpoint. This vulnerability allows an authorized attacker to execute arbitrary SQL queries, potentially leading to unauthorized access, modification, or deletion of sensitive information.

Severity Evaluation:

• Base Score: 9.4 (CVSS 4.0)
• Vector String: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

The high base score indicates a critical vulnerability due to the following factors:

• Attack Vector (AV:N): The vulnerability can be exploited over the network.
• Attack Complexity (AC:L): The attack requires low complexity.
• Privileges Required (PR:L): The attacker needs low-level privileges.
• User Interaction (UI:N): No user interaction is required.
• Confidentiality (VC:H), Integrity (VI:H), and Availability (VA:H): High impact on all three security properties.
• Scope Change (SC:H): The vulnerability can affect resources beyond the initial security scope.
• Secondary Impact (SI:H) and Secondary Availability (SA:H): High secondary impact on both integrity and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• SQL Injection: An attacker can inject malicious SQL code into the salvar_tag.php endpoint, potentially leading to data exfiltration, modification, or deletion.
• Privilege Escalation: If the SQL injection allows the attacker to gain higher privileges, they could perform more damaging actions.

Exploitation Methods:

• Automated Tools: Attackers may use automated SQL injection tools to identify and exploit the vulnerability.
• Manual Exploitation: Skilled attackers can manually craft SQL queries to exploit the vulnerability, potentially bypassing security measures.

3. Affected Systems and Software Versions

Affected Systems:

• WeGIA Application: All versions prior to 3.2.12.

Software Versions:

• WeGIA < 3.2.12: Vulnerable to the SQL Injection flaw.
• WeGIA 3.2.12 and later: The vulnerability has been addressed in this version.

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade: All users should upgrade to WeGIA version 3.2.12 or later immediately.
• Patch Management: Ensure that all systems are regularly updated and patched.

Long-Term Strategies:

• Input Validation: Implement robust input validation and sanitization to prevent SQL injection attacks.
• Parameterized Queries: Use parameterized queries or prepared statements to mitigate SQL injection risks.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL injection attempts.
• Regular Audits: Conduct regular security audits and vulnerability assessments.

5. Impact on European Cybersecurity Landscape

The vulnerability in WeGIA, a Web Manager for Charitable Institutions, poses a significant risk to the European cybersecurity landscape, particularly for organizations involved in charitable activities. The potential for data breaches, unauthorized access, and data manipulation could lead to:

• Financial Losses: Charitable institutions may suffer financial losses due to data breaches.
• Reputation Damage: Loss of trust from donors and beneficiaries.
• Regulatory Compliance: Potential non-compliance with data protection regulations such as GDPR.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: salvar_tag.php
• Vulnerability Type: SQL Injection
• Exploitability: High, due to low attack complexity and network-based attack vector.

Mitigation Steps:

1. Upgrade to Version 3.2.12: Ensure all instances of WeGIA are updated to the latest version.
2. Implement Input Validation: Use whitelisting techniques to validate input data.
3. Use Parameterized Queries: Replace dynamic SQL queries with parameterized queries.
4. Deploy WAF: Configure WAFs to detect and block SQL injection attempts.
5. Regular Security Audits: Conduct regular security assessments to identify and mitigate vulnerabilities.

References:

• GitHub Advisory: GHSA-2mhx-5998-46hx
• ENISA ID Product: 6cd0d791-3c67-3af8-bc29-895f8e8db7b5
• ENISA ID Vendor: e01125b1-de4c-35ee-b16d-8ede6a9d9776

By following these recommendations, organizations can significantly reduce the risk associated with this vulnerability and enhance their overall cybersecurity posture.