EUVD-2025-5075

Comprehensive Technical Analysis of EUVD-2025-5075

1. Vulnerability Assessment and Severity Evaluation

The vulnerability EUVD-2025-5075 pertains to an OS Command Injection flaw in the WeGIA application, specifically in the importar_dump.php endpoint. This vulnerability allows an attacker to execute arbitrary code remotely, which is a critical security risk. The Base Score of 10.0, as per CVSS 4.0, indicates the highest level of severity. The vector string 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): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill or resources.
• Authentication (AT): None (N) - No authentication is required to exploit the vulnerability.
• Privileges Required (PR): None (N) - No special privileges are needed.
• User Interaction (UI): None (N) - No user interaction is required.
• Confidentiality (VC): High (H) - The vulnerability has a high impact on confidentiality.
• Integrity (VI): High (H) - The vulnerability has a high impact on integrity.
• Availability (VA): High (H) - The vulnerability has a high impact on availability.
• Scope (SC): High (H) - The vulnerability affects components beyond its security scope.
• Scope Integrity (SI): High (H) - The vulnerability has a high impact on the integrity of the affected components.
• Scope Availability (SA): High (H) - The vulnerability has a high impact on the availability of the affected components.

2. Potential Attack Vectors and Exploitation Methods

The primary attack vector is through the importar_dump.php endpoint, which is vulnerable to OS Command Injection. An attacker could exploit this by:

• Injecting Malicious Commands: Crafting input that includes OS commands, which the application executes without proper sanitization.
• Uploading Webshells: Leveraging the command injection to move temporary files, potentially uploading a webshell for persistent access.
• Remote Code Execution: Executing arbitrary code on the server, leading to full system compromise.

3. Affected Systems and Software Versions

The vulnerability affects all versions of the WeGIA application prior to 3.2.15. Organizations using WeGIA for managing charitable institutions should immediately assess their systems to determine if they are running a vulnerable version.

4. Recommended Mitigation Strategies

• Immediate Patching: Upgrade to WeGIA version 3.2.15 or later, which includes the patch for this vulnerability.
• Input Validation: Implement robust input validation and sanitization mechanisms to prevent command injection.
• Least Privilege: Ensure that the application runs with the least privileges necessary to minimize the impact of a successful exploit.
• Network Segmentation: Isolate critical systems and limit network access to the WeGIA application.
• Monitoring and Logging: Enhance monitoring and logging to detect and respond to suspicious activities promptly.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European charitable institutions using the WeGIA application. Given the critical nature of the data handled by these institutions, a successful exploit could lead to data breaches, financial loss, and reputational damage. The high severity score underscores the need for immediate action to mitigate the risk.

6. Technical Details for Security Professionals

• Vulnerability Type: OS Command Injection
• Affected Endpoint: importar_dump.php
• Exploit Method: Injecting OS commands through unsanitized input
• Patch Information: Version 3.2.15 contains the fix
• References:
  • GitHub Advisory
  • GitHub Commit

Conclusion

The OS Command Injection vulnerability in WeGIA versions prior to 3.2.15 is a critical threat that requires immediate attention. Organizations should prioritize patching and implementing robust security measures to protect against potential exploits. The European cybersecurity landscape must remain vigilant to such high-severity vulnerabilities to safeguard sensitive data and maintain trust in digital systems.