EUVD-2025-5109

Comprehensive Technical Analysis of EUVD-2025-5109

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-5109 pertains to a SQL Injection flaw in the deletar_cargo.php endpoint of the WeGIA application. SQL Injection vulnerabilities are critical because they allow attackers to execute arbitrary SQL queries, potentially leading to unauthorized access to sensitive information, data manipulation, and even full system 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 severe vulnerability due to the following factors:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): Low (L)
• User Interaction (UI): None (N)
• Confidentiality (VC), Integrity (VI), and Availability (VA) Impact: High (H)
• Scope Change (SC): High (H)
• Secondary Impacts (SI, SA): High (H)

This combination suggests that the vulnerability can be exploited remotely with low complexity, requiring minimal privileges, and can result in 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.
• Authenticated Access: The attacker needs to be authenticated, but with low privileges, which can often be obtained through phishing or other social engineering techniques.

Exploitation Methods:

• SQL Injection: The attacker can inject malicious SQL code into the deletar_cargo.php endpoint. This can be done by manipulating input parameters to include SQL commands that the application will execute.
• Data Exfiltration: By crafting specific SQL queries, the attacker can extract sensitive information from the database.
• Data Manipulation: The attacker can alter, delete, or insert data into the database, compromising its integrity.
• Privilege Escalation: In some cases, SQL Injection can be used to escalate privileges within the database, leading to further system compromise.

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 and should upgrade immediately.

4. Recommended Mitigation Strategies

Immediate Actions:

• Upgrade: Upgrade to WeGIA version 3.2.13 or later, which addresses the vulnerability.
• Patch Management: Ensure that all systems are regularly updated and patched to mitigate known vulnerabilities.

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 code is not directly executed from user input.
• Web Application Firewalls (WAF): Deploy WAFs to monitor and block malicious SQL Injection attempts.
• Security Training: Educate developers and users on secure coding practices and the risks associated with SQL Injection.

5. Impact on European Cybersecurity Landscape

The discovery of this vulnerability highlights the ongoing challenge of securing open-source software, which is widely used across various sectors in Europe. The potential for data breaches and unauthorized access underscores the need for vigilant cybersecurity practices, including regular updates, robust security testing, and proactive threat intelligence.

Regulatory Compliance:

• GDPR: Organizations must ensure that they comply with GDPR regulations, which mandate the protection of personal data. Failure to address this vulnerability could result in significant fines and legal consequences.
• NIS Directive: Critical infrastructure providers must adhere to the Network and Information Systems (NIS) Directive, which requires robust cybersecurity measures to protect essential services.

6. Technical Details for Security Professionals

Vulnerability Details:

• Endpoint: deletar_cargo.php
• Vulnerability Type: SQL Injection
• Exploitability: Remote, low complexity, authenticated with low privileges

Detection and Response:

• Log Monitoring: Implement comprehensive logging and monitoring to detect unusual database queries and access patterns.
• Incident Response: Develop and maintain an incident response plan to quickly address and mitigate any detected SQL Injection attempts.
• Threat Intelligence: Leverage threat intelligence feeds to stay informed about emerging threats and vulnerabilities affecting open-source software.

References:

• GitHub Advisory: GHSA-6gv7-4j8g-cvgp
• ENISA ID Product: [{"id":"066f10c5-8185-31df-937f-2ae06a20b9cd","product":{"name":"WeGIA"},"product_version":"< 3.2.13"}]
• ENISA ID Vendor: [{"id":"dd988545-f8b5-3d76-9204-0f6da80df8ac","vendor":{"name":"LabRedesCefetRJ"}}]

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