CVE-2023-27843 : Security Advisory and Response

A SQL injection vulnerability has been discovered in PrestaShop askforaquote version 5.4.2 and earlier, which could allow a remote attacker to escalate privileges through the QuotesProduct::deleteProduct component.

Understanding CVE-2023-27843

This section provides insight into the nature and impact of CVE-2023-27843.

What is CVE-2023-27843?

CVE-2023-27843 refers to a SQL injection vulnerability present in the askforaquote extension in PrestaShop versions 5.4.2 and below. Exploitation of this vulnerability can potentially enable a remote attacker to elevate their privileges within the system.

The Impact of CVE-2023-27843

The impact of CVE-2023-27843 is significant as it opens up the potential for unauthorized access and privilege escalation within the affected PrestaShop installations. By exploiting this vulnerability, malicious actors could gain control over the system and carry out unauthorized actions.

Technical Details of CVE-2023-27843

Here are the technical details surrounding CVE-2023-27843.

Vulnerability Description

The vulnerability in question exists in the QuotesProduct::deleteProduct component of PrestaShop's askforaquote extension. Improper input validation allows for the execution of malicious SQL queries, leading to a potential SQL injection attack.

Affected Systems and Versions

PrestaShop askforaquote version 5.4.2 and prior are confirmed to be affected by this SQL injection vulnerability. Users of these versions are at risk of exploitation if the necessary precautions are not taken.

Exploitation Mechanism

Exploiting CVE-2023-27843 involves crafting and executing malicious SQL queries through the askforaquote extension, enabling unauthorized access and privilege escalation within the affected PrestaShop installations.

Mitigation and Prevention

Understanding how to mitigate and prevent CVE-2023-27843 is crucial to protect systems from potential exploitation.

Immediate Steps to Take

Immediately update PrestaShop installations to a patched version that addresses the SQL injection vulnerability present in the askforaquote extension.
Regularly monitor for any signs of unauthorized access or unusual activities within the system.

Long-Term Security Practices

Implement secure coding practices to prevent SQL injection vulnerabilities in custom extensions or code modifications.
Conduct regular security audits and penetration testing to identify and address any potential vulnerabilities within the system.

Patching and Updates

Stay updated with security advisories from PrestaShop and promptly apply patches and updates to address known vulnerabilities.
Continuously monitor for new security updates and apply them in a timely manner to maintain a secure PrestaShop environment.