CVE-2021-43789 : Exploit Details and Defense Strategies

PrestaShop prior to version 1.7.8.2 is susceptible to blind SQL injection vulnerability when utilizing search filters with specific parameters.

Understanding CVE-2021-43789

PrestaShop, an Open Source e-commerce platform, is at risk of blind SQL injection through search filters.

What is CVE-2021-43789?

Blind SQL injection in PrestaShop versions prior to 1.7.8.2 allows attackers to exploit search filter parameters, leading to potential data exposure and manipulation.

The Impact of CVE-2021-43789

CVSS Base Score: 7.5 (High)
Confidentiality Impact: High
No Integrity Impact
No Availability Impact
Attack Complexity: Low
Attack Vector: Network
No Required Privileges
No User Interaction

Technical Details of CVE-2021-43789

Blind SQL injection exploit in PrestaShop.

Vulnerability Description

The vulnerability allows blind SQL injection using search filters'

orderBy

and

sortOrder

parameters.

Affected Systems and Versions

Affected Product: PrestaShop
Affected Versions: >= 1.7.5.0, <= 1.7.8.1

Exploitation Mechanism

Attackers can conduct blind SQL injection by manipulating the search filters within PrestaShop versions before 1.7.8.2.

Mitigation and Prevention

Take immediate action to secure your PrestaShop installation.

Immediate Steps to Take

Upgrade PrestaShop to version 1.7.8.2 or newer
Monitor and sanitize user input to prevent SQL injection

Long-Term Security Practices

Regular security assessments and audits
Educate developers on secure coding practices

Patching and Updates

Apply security patches promptly
Stay informed about security advisories and updates