EUVD-2025-3986

Comprehensive Technical Analysis of EUVD-2025-3986

1. Vulnerability Assessment and Severity Evaluation

The vulnerability in question is a SQL Injection flaw in the WeGIA application, specifically within the get_codigobarras_cobranca.php endpoint. SQL Injection vulnerabilities are critical because they allow attackers to execute arbitrary SQL commands on the database, potentially leading to unauthorized access, data manipulation, or data exfiltration.

Severity Evaluation:

• CVSS Base Score: 10.0 (Critical)
• CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

The CVSS score of 10.0 indicates the highest level of severity. The vector string highlights several critical factors:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Attack Complexity): The attack does not require specialized conditions.
• PR:N (No Privileges Required): No prior authentication is needed to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required for the attack to succeed.
• VC:H (High Confidentiality Impact): The vulnerability can lead to a significant breach of confidentiality.
• VI:H (High Integrity Impact): The vulnerability can lead to a significant breach of integrity.
• VA:H (High Availability Impact): The vulnerability can lead to a significant breach of availability.
• SC:H (High Scope Change): The vulnerability can affect components beyond the security scope of the vulnerable component.
• SI:H (High Integrity Requirement): The integrity of the system is highly impacted.
• SA:H (High Availability Requirement): The availability of the system is highly impacted.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Direct SQL Injection: An attacker can inject malicious SQL queries directly into the get_codigobarras_cobranca.php endpoint.
• Blind SQL Injection: An attacker can use blind SQL injection techniques to extract information without direct feedback from the application.
• Error-Based SQL Injection: An attacker can exploit error messages returned by the application to gain information about the database structure.

Exploitation Methods:

• Data Exfiltration: Attackers can extract sensitive information such as user credentials, financial data, or personal information.
• Data Manipulation: Attackers can modify database entries, leading to data integrity issues.
• Denial of Service (DoS): Attackers can execute SQL commands that disrupt the normal operation of the database, leading to service unavailability.

3. Affected Systems and Software Versions

Affected Systems:

• WeGIA application versions prior to 3.2.12.

Software Versions:

• All versions of WeGIA before 3.2.12 are vulnerable. Users are advised to upgrade to version 3.2.12 or later to mitigate the risk.

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade: Immediately upgrade to WeGIA version 3.2.12 or later.
• Patch Management: Ensure that all software dependencies are up to date 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 ensure that SQL commands are executed safely.
• Web Application Firewall (WAF): Deploy a WAF to monitor and block malicious SQL injection attempts.
• Regular Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate potential threats.

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. Charitable institutions often handle sensitive donor information, financial data, and personal details of beneficiaries. A successful exploitation of this vulnerability could lead to:

• Data Breaches: Compromise of sensitive information, leading to potential legal and financial repercussions.
• Reputation Damage: Loss of trust from donors and beneficiaries, impacting the institution's reputation.
• Compliance Issues: Violation of data protection regulations such as GDPR, resulting in fines and penalties.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: get_codigobarras_cobranca.php
• Vulnerability Type: SQL Injection
• Exploitability: High, due to low attack complexity and no requirement for user interaction or privileges.

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 allow only expected input formats.
3. Use Parameterized Queries: Replace dynamic SQL queries with parameterized queries to prevent injection attacks.
4. Deploy WAF: Configure a WAF to detect and block SQL injection attempts.
5. Monitor and Log: Implement logging and monitoring to detect any suspicious activities and respond promptly.

References:

• GitHub Advisory: GHSA-qjc6-5qv6-fr8m
• ENISA ID Product: 1b80b063-413d-3211-9aea-c89a746b1c00
• ENISA ID Vendor: 06f6a05c-653f-398b-bafa-c564b11a9fe9

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