EUVD-2025-5096

Comprehensive Technical Analysis of EUVD-2025-5096

1. Vulnerability Assessment and Severity Evaluation

The vulnerability in question is a Path Traversal issue in the exportar_dump.php endpoint of the WeGIA application. This vulnerability allows an attacker to access sensitive information stored in config.php, which contains database credentials and other critical configuration details. The severity of this vulnerability is rated with a CVSS Base Score of 10.0, indicating a critical risk. The 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 highlights the following:

• Attack Vector (AV:N): Network, meaning the vulnerability can be exploited remotely.
• Attack Complexity (AC:L): Low, indicating that the attack does not require specialized conditions.
• Authentication (AT:N): None, meaning no authentication is required to exploit the vulnerability.
• Privileges Required (PR:N): None, indicating that no special privileges are needed.
• User Interaction (UI:N): None, meaning no user interaction is required.
• Confidentiality (VC:H): High impact on confidentiality.
• Integrity (VI:H): High impact on integrity.
• Availability (VA:H): High impact on availability.
• Scope (SC:H): High, indicating that the vulnerability affects components beyond its security scope.
• Scope Integrity (SI:H): High impact on scope integrity.
• Scope Availability (SA:H): High impact on scope availability.

2. Potential Attack Vectors and Exploitation Methods

An attacker could exploit this vulnerability by crafting a malicious request to the exportar_dump.php endpoint, manipulating the file path to traverse directories and access config.php. This could be achieved through:

• Manipulating URL Parameters: By injecting directory traversal sequences (e.g., ../../../../) into URL parameters.
• HTTP Request Manipulation: Using tools like curl or Burp Suite to send specially crafted HTTP requests.

Once config.php is accessed, the attacker could obtain database credentials and other sensitive information, leading to further exploitation such as:

• Database Access: Directly accessing the database to exfiltrate data.
• Lateral Movement: Using the obtained credentials to move laterally within the network.
• Data Manipulation: Altering database entries to disrupt services or inject malicious content.

3. Affected Systems and Software Versions

The vulnerability affects all versions of WeGIA prior to 3.2.14. Specifically:

• WeGIA versions: < 3.2.14
• Vendor: LabRedesCefetRJ

4. Recommended Mitigation Strategies

To mitigate this vulnerability, the following actions are recommended:

• Upgrade to the Latest Version: Immediately upgrade to WeGIA version 3.2.14 or later.
• Patch Management: Implement a robust patch management process to ensure timely updates.
• Input Validation: Ensure that all user inputs are properly validated and sanitized to prevent path traversal attacks.
• Access Controls: Implement strict access controls and least privilege principles for all application components.
• Monitoring and Logging: Enhance monitoring and logging to detect and respond to suspicious activities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to institutions using WeGIA, particularly those in Portuguese-speaking regions. The potential for unauthorized access to sensitive information and subsequent data breaches could lead to:

• Data Breaches: Compromise of personal and institutional data.
• Service Disruption: Potential disruption of services due to data manipulation or exfiltration.
• Reputation Damage: Loss of trust and reputation for affected institutions.
• Compliance Issues: Potential non-compliance with data protection regulations such as GDPR.

6. Technical Details for Security Professionals

For security professionals, the following technical details are pertinent:

• Vulnerability Type: Path Traversal
• Affected Endpoint: exportar_dump.php
• Sensitive File: config.php
• Exploitation Method: Directory traversal sequences in URL parameters
• Mitigation: Upgrade to version 3.2.14, implement input validation, and enhance access controls
• Detection: Monitor for unusual access patterns to config.php and other sensitive files

Conclusion

The Path Traversal vulnerability in WeGIA is critical and requires immediate attention. Organizations using WeGIA should prioritize upgrading to the latest version and implement additional security measures to prevent exploitation. The potential impact on European institutions underscores the importance of proactive cybersecurity practices and timely vulnerability management.

References

• WeGIA Security Advisory
• CVE ID: CVE-2025-26616
• ENISA ID Product: 58ed1580-bd14-3551-b7eb-ca512e3084bb
• ENISA ID Vendor: a76d6d16-f5fd-3a88-8512-c8c8b00b3bef