EUVD-2025-25945

Comprehensive Technical Analysis of EUVD-2025-25945

1. Vulnerability Assessment and Severity Evaluation

The EUVD entry EUVD-2025-25945 describes a critical SQL Injection vulnerability in AbanteCart 1.4.2. This vulnerability allows unauthenticated attackers to execute arbitrary SQL commands via the tmpl_id parameter in index.php. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical. The CVSS vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H indicates the following:

• Attack Vector (AV): Network (N) - The vulnerability is exploitable over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill and resources.
• Privileges Required (PR): None (N) - No privileges are required to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required.
• Scope (S): Unchanged (U) - The vulnerability does not change the security scope.
• Confidentiality (C): High (H) - The vulnerability has a high impact on confidentiality.
• Integrity (I): High (H) - The vulnerability has a high impact on integrity.
• Availability (A): High (H) - The vulnerability has a high impact on availability.

2. Potential Attack Vectors and Exploitation Methods

The vulnerability can be exploited through several SQL Injection techniques:

• Error-based Injection: Using a crafted FLOOR-based payload to induce error messages that reveal database information.
• Time-based Blind Injection: Utilizing the SLEEP() function to delay responses and infer database structure and data.
• UNION-based Injection: Extracting arbitrary data by appending a UNION SELECT statement to the original query.

These techniques can be used to extract sensitive information, manipulate database entries, or execute malicious commands, leading to data breaches, unauthorized access, and potential system compromise.

3. Affected Systems and Software Versions

The vulnerability specifically affects AbanteCart version 1.4.2. It is crucial to note that other versions of AbanteCart may also be vulnerable if they share the same codebase or have not been patched for this specific issue.

4. Recommended Mitigation Strategies

To mitigate the risk associated with this vulnerability, the following strategies are recommended:

• Immediate Patching: Apply the latest security patches provided by AbanteCart. If a patch is not available, consider upgrading to a newer version that addresses this vulnerability.
• Input Validation and Sanitization: Ensure that all user inputs are properly validated and sanitized to prevent SQL Injection attacks.
• Parameterized Queries: Use parameterized queries or prepared statements to separate SQL code from data.
• Web Application Firewalls (WAF): Deploy WAFs to detect and block SQL Injection attempts.
• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and address potential security issues.

5. Impact on European Cybersecurity Landscape

The presence of such a critical vulnerability in a widely-used e-commerce platform like AbanteCart poses significant risks to European businesses and consumers. Unauthorized access to sensitive data, including personal and financial information, can lead to severe financial losses, reputational damage, and legal consequences under GDPR. The European cybersecurity landscape must prioritize timely patching, robust security practices, and continuous monitoring to mitigate such threats effectively.

6. Technical Details for Security Professionals

For security professionals, the following technical details are essential:

• Vulnerable Parameter: The tmpl_id parameter in index.php is the entry point for the SQL Injection attack.
• Exploitation Techniques:
  • Error-based Injection: Example payload: tmpl_id=1' OR FLOOR(RAND(0)*2)=0 LIMIT 1; --
  • Time-based Blind Injection: Example payload: tmpl_id=1' OR SLEEP(5); --
  • UNION-based Injection: Example payload: tmpl_id=1' UNION SELECT username, password FROM users; --
• Detection and Monitoring: Implement logging and monitoring to detect unusual database queries and access patterns. Use intrusion detection systems (IDS) to identify and respond to potential SQL Injection attempts.
• Incident Response: Develop an incident response plan that includes steps for containment, eradication, and recovery in case of a successful SQL Injection attack.

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of data breaches and ensure the integrity and availability of their e-commerce platforms.

References

For further technical details and proof of concept, refer to the GitHub repository: AbanteCart SQL Injection Proof of Concept

Conclusion

The SQL Injection vulnerability in AbanteCart 1.4.2 is a critical issue that requires immediate attention. By understanding the attack vectors, affected systems, and recommended mitigation strategies, cybersecurity professionals can effectively protect their organizations from potential exploitation and ensure a secure digital environment.