CVE-2021-36748 : Security Advisory and Response

A SQL Injection vulnerability was discovered in the list controller of the Prestahome Blog module, also known as ph_simpleblog, before version 1.7.8 for Prestashop. This vulnerability allows a remote attacker to extract sensitive data from the database by exploiting the sb_category parameter.

Understanding CVE-2021-36748

This section will provide insights into the impact and technical details of CVE-2021-36748.

What is CVE-2021-36748?

The CVE-2021-36748 is a SQL Injection vulnerability in the list controller of the Prestahome Blog module, enabling attackers to extract database information using the sb_category parameter.

The Impact of CVE-2021-36748

The impact of this vulnerability is severe as it allows remote threat actors to gain unauthorized access to sensitive data stored in the database of Prestashop, posing a significant risk to the confidentiality and integrity of the system.

Technical Details of CVE-2021-36748

In this section, we will delve into the specific technical aspects of CVE-2021-36748.

Vulnerability Description

The vulnerability arises due to improper input validation in the sb_category parameter, leading to SQL Injection attacks that can manipulate database queries and extract confidential information.

Affected Systems and Versions

Prestashop versions before 1.7.8 with the Prestahome Blog module are vulnerable to this exploit. Users with these versions are at risk of data extraction by malicious actors.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by injecting malicious SQL queries through the sb_category parameter, enabling them to retrieve sensitive data from the database.

Mitigation and Prevention

To safeguard your system from CVE-2021-36748, immediate actions and long-term security measures are essential.

Immediate Steps to Take

Update the Prestahome Blog module to version 1.7.8 or above to patch the SQL Injection vulnerability.
Regularly monitor system logs and database activities for any suspicious behavior.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent SQL Injection attacks across all parameters.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security patches and updates released by Prestashop and third-party module developers. Timely patch installation is crucial to ensure your system's security.