EUVD-2025-21886

Comprehensive Technical Analysis of EUVD-2025-21886

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the EUVD entry EUVD-2025-21886 pertains to a SQL Injection flaw in the WeGIA web manager, specifically in versions prior to 3.4.6. The affected endpoint is /html/atendido/Profile_Atendido.php, with the vulnerable parameter being idatendido.

Severity Evaluation:

• Base Score: 9.4 (CVSS:4.0)
• Base Score Vector: 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 of 9.4 indicates a critical vulnerability. The CVSS vector breakdown reveals the following:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Authentication (AT): None (N)
• Privileges Required (PR): Low (L)
• User Interaction (UI): None (N)
• Vulnerability Characteristics (VC, VI, VA): High (H)
• Scope Change (SC): High (H)
• Security Impact (SI, SA): High (H)

This combination suggests that the vulnerability can be exploited remotely with low complexity, requiring minimal privileges, and can lead to significant impacts on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Exploitation: An attacker can exploit this vulnerability over the network without needing physical access to the system.
• SQL Injection: The attacker can inject malicious SQL queries through the idatendido parameter to manipulate the database.

Exploitation Methods:

• Unauthorized Data Access: By injecting SQL commands, an attacker can extract sensitive information from the database.
• Data Manipulation: The attacker can modify or delete data within the database.
• Privilege Escalation: Depending on the database configuration, the attacker might escalate privileges to gain higher access levels.

3. Affected Systems and Software Versions

Affected Systems:

• WeGIA web manager versions prior to 3.4.6.

Software Versions:

• All versions of WeGIA before 3.4.6 are vulnerable to this SQL Injection attack.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Upgrade: Upgrade to WeGIA version 3.4.6 or later, which includes the fix for this vulnerability.
• Patch Management: Ensure that all systems running WeGIA are regularly updated and patched.

Long-Term Mitigation:

• Input Validation: Implement robust input validation and sanitization for all user inputs.
• Parameterized Queries: Use parameterized queries or prepared statements to prevent SQL Injection.
• Web Application Firewall (WAF): Deploy a WAF to monitor and block malicious SQL Injection attempts.
• Database Security: Enforce strict access controls and monitoring on the database.

5. Impact on European Cybersecurity Landscape

The vulnerability in WeGIA, which is focused on the Portuguese language and charitable institutions, highlights the importance of securing open-source software used by non-profit organizations. Given the critical nature of the vulnerability, it underscores the need for:

• Enhanced Security Awareness: Increased awareness and training for developers and users of open-source software.
• Regulatory Compliance: Ensuring compliance with European cybersecurity regulations and standards.
• Collaborative Efforts: Encouraging collaboration between open-source communities and cybersecurity experts to identify and mitigate vulnerabilities promptly.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: /html/atendido/Profile_Atendido.php
• Parameter: idatendido
• Vulnerability Type: SQL Injection

Exploitation Example: An attacker could craft a malicious URL like:

http://example.com/html/atendido/Profile_Atendido.php?idatendido=1'; DROP TABLE users;--

This would execute the SQL command DROP TABLE users;, potentially deleting the users table from the database.

Mitigation Code Example: Using parameterized queries in PHP:

$stmt = $pdo->prepare('SELECT * FROM atendido WHERE idatendido = :idatendido');
$stmt->execute(['idatendido' => $idatendido]);
$results = $stmt->fetchAll();

References:

• GitHub Security Advisory

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