CVE-2023-28843 : Security Advisory and Response

This CVE involves an improper neutralization of SQL parameter in the PayPal module for PrestaShop, leading to a critical vulnerability with a base score of 9.8.

Understanding CVE-2023-28843

This CVE pertains to a SQL injection vulnerability found in the PrestaShop PayPal module, impacting versions from 3.12.0 to 3.16.3. The vulnerability allows a remote attacker to exploit the system, potentially gaining privileges, modifying data, and impacting system availability.

What is CVE-2023-28843?

The vulnerability identified in CVE-2023-28843 is classified under CWE-89, indicating the improper neutralization of special elements in an SQL command, commonly known as an SQL injection attack. By manipulating user input within SQL queries, attackers can execute malicious commands and compromise the system's integrity, confidentiality, and availability.

The Impact of CVE-2023-28843

With a base severity of "Critical," this CVE poses a significant risk to systems utilizing the affected versions of the PrestaShop PayPal module. The exploitation of this vulnerability could lead to severe consequences, including unauthorized access, data manipulation, and potential service disruptions.

Technical Details of CVE-2023-28843

This section delves into the specifics of the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the failure to properly filter user input when constructing SQL queries in the PrestaShop PayPal module. This oversight allows attackers to inject malicious SQL commands, leading to unauthorized access and data manipulation.

Affected Systems and Versions

The vulnerability affects versions of the PayPal module for PrestaShop ranging from 3.12.0 to 3.16.3. Specifically, systems running module version 3.16.3 or below are susceptible to exploitation.

Exploitation Mechanism

By leveraging the SQL injection vulnerability in the PayPal module for PrestaShop, threat actors can craft malicious input to manipulate SQL queries. Through this manipulation, attackers can execute unauthorized commands, potentially compromising the system's security and functionality.

Mitigation and Prevention

To address and safeguard against CVE-2023-28843, immediate actions and long-term security practices are essential.

Immediate Steps to Take

Upgrade the Module: Users are strongly advised to upgrade to version 3.16.4 of the PrestaShop PayPal module to mitigate the SQL injection vulnerability.
Monitor System Activity: Keep a close eye on system logs and activity to detect any unauthorized access or suspicious behavior that may indicate exploitation.

Long-Term Security Practices

Input Validation: Implement robust input validation mechanisms to sanitize user input and prevent SQL injection attacks.
Regular Security Audits: Conduct routine security audits and vulnerability assessments to proactively identify and address any potential security weaknesses.
Employee Training: Educate employees on best practices for cybersecurity, emphasizing the importance of secure coding and data handling procedures.

Patching and Updates

Stay informed about security patches and updates released by module developers and PrestaShop to address known vulnerabilities. Regularly applying patches ensures that your system is protected against the latest security threats.

By following these mitigation strategies and adopting proactive security measures, organizations can enhance their cybersecurity posture and reduce the risk posed by CVE-2023-28843.