EUVD-2025-29645

Comprehensive Technical Analysis of EUVD-2025-29645

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2025-29645 affects the Ilevia EVE X1/X5 Server versions ≤ 4.7.18.0.eden. The issue lies within the authentication mechanism, where unsanitized input is passed to a system() call, allowing for command injection. The binary's misinterpretation of non-zero exit codes as successful authentication exacerbates the problem, enabling remote attackers to bypass authentication and gain full access to the system.

Severity Evaluation:

• CVSS Base Score: 9.3
• CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

The high base score indicates a critical vulnerability due to its remote exploitability, low attack complexity, and significant impact on confidentiality, integrity, and availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Command Injection: Attackers can inject special characters into the authentication input, manipulating the system() call to execute arbitrary commands.
• Authentication Bypass: Due to the binary's flawed handling of exit codes, attackers can bypass authentication and gain unauthorized access.

Exploitation Methods:

• Command Injection: Crafting input that includes command injection payloads to execute malicious commands on the server.
• Automated Scripts: Using automated scripts to exploit the vulnerability en masse, targeting multiple instances of the affected server.

3. Affected Systems and Software Versions

Affected Systems:

• Ilevia EVE X1/X5 Server

Affected Software Versions:

• Versions ≤ 4.7.18.0.eden (Logic version: 6.00)

4. Recommended Mitigation Strategies

Immediate Actions:

• Patching: Upgrade to a patched version of the Ilevia EVE X1/X5 Server that addresses this vulnerability.
• Input Sanitization: Ensure all inputs are properly sanitized before being passed to system calls.
• Access Controls: Implement strict access controls and monitoring to detect and prevent unauthorized access attempts.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits and code reviews to identify and mitigate similar vulnerabilities.
• Security Training: Provide training for developers and administrators on secure coding practices and input validation techniques.
• Intrusion Detection: Deploy intrusion detection systems (IDS) to monitor for suspicious activities and potential exploitation attempts.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to organizations using the Ilevia EVE X1/X5 Server, particularly within the European Union. The potential for remote command injection and authentication bypass can lead to severe data breaches, unauthorized access, and system compromises. This underscores the importance of timely patching and robust security measures to protect critical infrastructure and sensitive data.

6. Technical Details for Security Professionals

Vulnerability Details:

• Root Cause: Unsanitized input passed to a system() call in the authentication mechanism.
• Exploitability: Remote attackers can inject commands by manipulating the input, leading to command execution and authentication bypass.
• Mitigation: Ensure input validation and sanitization, update to the latest patched version, and implement strict access controls.

References:

• Ilevia Official Website
• Zero Science Vulnerability Report
• Packet Storm Advisory
• VulnCheck Advisory
• NVD CVE Entry

Aliases:

• CVE-2025-34186

Assigner:

• VulnCheck

ENISA IDs:

• Product: EVE X1/X5 Server (ID: e9f55793-137e-3481-bb2e-6016dfdb8d4a)
• Vendor: Ilevia Srl. (ID: 9e4ebd06-326e-3c1d-8b60-c154e748c2bd)

This comprehensive analysis provides a clear understanding of the vulnerability, its impact, and the necessary steps to mitigate the risk effectively.