EUVD-2025-5106

Comprehensive Technical Analysis of EUVD-2025-5106

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the WeGIA application, specifically in the restaurar_produto_desocultar.php endpoint, is a SQL Injection vulnerability. This type of vulnerability allows an attacker to execute arbitrary SQL queries, potentially leading to unauthorized access to sensitive information, data manipulation, or even complete database compromise.

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. The attack vector (AV:N) is network-based, requiring low complexity (AC:L) and no user interaction (UI:N). The attacker needs low privileges (PR:L) to exploit this vulnerability, and the impact on confidentiality, integrity, and availability is high (VC:H, VI:H, VA:H). The scope change (SC:H) and secondary impacts (SI:H, SA:H) are also high, indicating a significant risk to the system and its users.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Network-Based Attack: The attacker can exploit the vulnerability remotely over the network.
• Low Complexity: The attack requires minimal effort and resources to execute.
• Low Privileges: The attacker needs only low-level privileges to exploit the vulnerability.

Exploitation Methods:

• SQL Injection: The attacker can inject malicious SQL code into the restaurar_produto_desocultar.php endpoint. This can be done by manipulating input parameters to include SQL commands.
• Data Exfiltration: The attacker can extract sensitive information from the database, such as user credentials, personal data, or other confidential information.
• Data Manipulation: The attacker can modify database entries, leading to data integrity issues.
• Database Compromise: In severe cases, the attacker can gain full control over the database, leading to complete data loss or unauthorized access.

3. Affected Systems and Software Versions

Affected Systems:

• WeGIA Application: All versions prior to 3.2.13 are vulnerable.

Software Versions:

• WeGIA < 3.2.13: Users running any version of WeGIA below 3.2.13 are at risk.

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade to Version 3.2.13: All users should upgrade to WeGIA version 3.2.13 or later to mitigate the vulnerability.
• Input Validation: Implement robust input validation and sanitization to prevent SQL injection attacks.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL code is not directly injected into the database.
• Web Application Firewall (WAF): Deploy a WAF to monitor and block malicious SQL injection attempts.

Long-Term Strategies:

• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security issues.
• User Education: Educate users about the risks of SQL injection and best practices for secure coding.
• Patch Management: Establish a robust patch management process to ensure timely updates and patches for all software components.

5. Impact on European Cybersecurity Landscape

The discovery of this vulnerability highlights the importance of securing open-source applications, especially those used by institutions and organizations. The potential for data breaches and unauthorized access can have significant implications for data privacy and compliance with regulations such as GDPR.

Regulatory Compliance:

• GDPR: Organizations must ensure that personal data is protected, and any breach could result in significant fines and reputational damage.
• Cybersecurity Directives: Compliance with EU cybersecurity directives and guidelines is crucial to maintain trust and security within the digital ecosystem.

Public Trust:

• User Confidence: Ensuring the security of applications used by institutions is essential for maintaining public trust and confidence in digital services.

6. Technical Details for Security Professionals

Vulnerability Details:

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

Mitigation Steps:

1. Upgrade WeGIA: Ensure all instances of WeGIA are upgraded to version 3.2.13 or later.
2. Input Sanitization: Implement strict input validation and sanitization mechanisms.
3. Parameterized Queries: Use parameterized queries to prevent direct SQL code injection.
4. WAF Configuration: Configure a WAF to detect and block SQL injection attempts.
5. Regular Audits: Perform regular security audits and code reviews to identify and mitigate vulnerabilities.

References:

• GitHub Advisory: GHSA-6p7c-9hcx-jpqj
• ENISA ID Product: 8a9b1574-125b-333b-9887-e161b370f244
• ENISA ID Vendor: 923600ff-2700-396a-bf64-63b55f9b02b2

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of SQL injection attacks and protect sensitive information.