EUVD-2023-34577

Comprehensive Technical Analysis of EUVD-2023-34577

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The EUVD-2023-34577 entry describes a SQL injection vulnerability in the City Autocomplete (cityautocomplete) module from ebewe.net for PrestaShop. This vulnerability allows remote attackers to execute arbitrary SQL commands via the type, input_name, or q parameter in the autocompletion.php front controller.

Severity Evaluation: The vulnerability has a CVSS Base Score of 9.8, which is classified as 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)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high severity score underscores the critical nature of the vulnerability, which can lead to significant data breaches, unauthorized access, and potential system compromise.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Exploitation: Attackers can exploit this vulnerability over the network without requiring any special privileges or user interaction.
• SQL Injection: By manipulating the type, input_name, or q parameters, attackers can inject malicious SQL commands.

Exploitation Methods:

• SQL Command Injection: Attackers can craft SQL queries to extract sensitive data, modify database entries, or delete critical information.
• Data Exfiltration: Attackers can exfiltrate sensitive information such as user credentials, personal data, and financial information.
• Database Manipulation: Attackers can alter database records, leading to data integrity issues.

3. Affected Systems and Software Versions

Affected Software:

• City Autocomplete Module: Versions prior to 1.8.12 for PrestaShop 1.5/1.6
• City Autocomplete Module: Versions prior to 2.0.3 for PrestaShop 1.7

Affected Systems:

• PrestaShop E-commerce Platforms: Any e-commerce site running the affected versions of the City Autocomplete module is at risk.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Module: Upgrade to the latest version of the City Autocomplete module (1.8.12 for PrestaShop 1.5/1.6 or 2.0.3 for PrestaShop 1.7).
• Disable the Module: If an immediate update is not possible, consider disabling the module until a patch can be applied.

Long-Term Mitigation:

• Input Validation: Implement robust input validation and sanitization to prevent SQL injection attacks.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL commands are executed safely.
• Web Application Firewall (WAF): Deploy a WAF to detect and block malicious SQL injection attempts.
• Regular Security Audits: Conduct regular security audits and vulnerability assessments to identify and mitigate potential threats.

5. Impact on European Cybersecurity Landscape

Regulatory Compliance:

• GDPR Compliance: The vulnerability poses a significant risk to personal data, which could result in GDPR violations and potential fines.
• Data Breach Notification: Organizations must be prepared to notify affected individuals and regulatory authorities in case of a data breach.

Economic Impact:

• Financial Losses: Data breaches can lead to financial losses due to fraud, legal fees, and reputational damage.
• Customer Trust: Compromised customer data can erode trust and lead to a loss of business.

Cybersecurity Awareness:

• Increased Awareness: This vulnerability highlights the importance of regular updates and security best practices in the e-commerce sector.
• Collaboration: Encourages collaboration between vendors, security researchers, and regulatory bodies to address vulnerabilities promptly.

6. Technical Details for Security Professionals

Vulnerability Details:

• Affected Parameters: type, input_name, q
• Affected File: autocompletion.php
• Exploitation Method: Injecting malicious SQL commands through the affected parameters.

Detection and Monitoring:

• Log Analysis: Monitor web server 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 related to SQL injection.

Patching and Updates:

• Patch Availability: Ensure that the latest patches are applied to the City Autocomplete module.
• Vendor Communication: Stay informed about security advisories and updates from ebewe.net and PrestaShop.

References:

• PrestaShop Addons Page
• Security Advisory

By addressing this vulnerability promptly and implementing robust security measures, organizations can mitigate the risks associated with SQL injection attacks and protect their e-commerce platforms from potential breaches.