EUVD-2023-37819

Comprehensive Technical Analysis of EUVD-2023-37819

1. Vulnerability Assessment and Severity Evaluation

The vulnerability identified in the EUVD entry EUVD-2023-37819 pertains to an SQL injection flaw in the "Customization fields fee for your store" module (aicustomfee) developed by ai-dev for PrestaShop. The vulnerability affects versions up to 0.2.0 and has been addressed in version 0.2.1.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS score of 9.8 indicates a critical vulnerability due to the following factors:

• Attack Vector (AV): Network (N) - The vulnerability can be exploited remotely over the network.
• Attack Complexity (AC): Low (L) - The attack requires minimal skill and resources.
• Privileges Required (PR): None (N) - No special privileges are needed to exploit the vulnerability.
• User Interaction (UI): None (N) - No user interaction is required for the attack to succeed.
• Scope (S): Unchanged (U) - The vulnerability does not affect other systems beyond the initial target.
• Confidentiality (C): High (H) - The vulnerability allows unauthorized access to sensitive information.
• Integrity (I): High (H) - The vulnerability allows unauthorized modification of data.
• Availability (A): High (H) - The vulnerability allows disruption of service.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• SQL Injection: An attacker can inject malicious SQL code into the input fields of the module, potentially leading to unauthorized access, data manipulation, or data extraction.

Exploitation Methods:

• Crafted Inputs: An attacker can send specially crafted input to the vulnerable module, which is then processed by the SQL query without proper sanitization.
• Automated Tools: Attackers may use automated tools to scan for and exploit SQL injection vulnerabilities.

3. Affected Systems and Software Versions

Affected Systems:

• PrestaShop e-commerce platforms using the "Customization fields fee for your store" module (aicustomfee) developed by ai-dev.

Affected Software Versions:

• Versions up to 0.2.0 of the aicustomfee module.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update: Upgrade to version 0.2.1 of the aicustomfee module, which includes the fix for the SQL injection vulnerability.
• Patch Management: Ensure that all modules and plugins are regularly updated and patched.

Long-Term Strategies:

• Input Validation: Implement robust input validation and sanitization mechanisms to prevent SQL injection attacks.
• Web Application Firewalls (WAF): Deploy WAFs to monitor and block malicious traffic.
• Regular Audits: Conduct regular security audits and vulnerability assessments.
• Security Training: Provide training for developers and administrators on secure coding practices and common vulnerabilities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to European e-commerce platforms using PrestaShop, particularly those that have integrated the aicustomfee module. Given the critical nature of the vulnerability, it could lead to data breaches, financial loss, and reputational damage for affected businesses. The widespread use of PrestaShop in Europe amplifies the potential impact, making it crucial for organizations to address this vulnerability promptly.

6. Technical Details for Security Professionals

Vulnerability Details:

• Type: SQL Injection
• Location: Input fields within the aicustomfee module.
• Exploitability: High, due to the low complexity and lack of required privileges.

Detection and Response:

• Log Analysis: Monitor logs for unusual SQL queries or error messages indicating SQL injection attempts.
• Intrusion Detection Systems (IDS): Implement IDS to detect and alert on suspicious activities.
• Incident Response Plan: Develop and maintain an incident response plan to quickly address and mitigate any detected exploitation attempts.

References:

• ai-dev Customization Fee Module
• Friends of Presta Security Advisory

Aliases:

• CVE-2023-33663
• GSD-2023-33663

Assigner:

• Mitre

EPSS:

• N/A

ENISA ID:

• Product: n/a
• Vendor: n/a

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of SQL injection attacks and protect their e-commerce platforms from potential breaches.