CVE-2019-7896 Explained : Impact and Mitigation

Magento 2 versions prior to 2.1.18, 2.2.9, and 2.3.2 are vulnerable to remote code execution, allowing authenticated users with admin privileges to execute arbitrary code.

Understanding CVE-2019-7896

What is CVE-2019-7896?

A remote code execution vulnerability exists in Magento 2 versions prior to 2.1.18, 2.2.9, and 2.3.2, enabling attackers to execute arbitrary code through specific actions.

The Impact of CVE-2019-7896

This vulnerability allows authenticated users with administrator privileges to execute arbitrary code, posing a significant security risk to affected Magento 2 installations.

Technical Details of CVE-2019-7896

Vulnerability Description

The vulnerability in Magento 2 versions prior to 2.1.18, 2.2.9, and 2.3.2 enables remote code execution through a combination of product import, manipulated CSV file, and XML layout update.

Affected Systems and Versions

Product: Magento 2
Versions Affected: Magento 2.1 prior to 2.1.18, Magento 2.2 prior to 2.2.9, Magento 2.3 prior to 2.3.2

Exploitation Mechanism

The vulnerability can be exploited by an authenticated user with administrator privileges through specific actions involving product import, a crafted CSV file, and XML layout updates.

Mitigation and Prevention

Immediate Steps to Take

Apply the security patch provided by Magento to fix the vulnerability.
Restrict admin privileges to minimize the impact of potential attacks.
Monitor for any suspicious activities on the Magento platform.

Long-Term Security Practices

Regularly update Magento to the latest version to ensure all security patches are applied.
Conduct security audits and penetration testing to identify and address any vulnerabilities.

Patching and Updates

Install the security update released by Magento for versions 2.1.18, 2.2.9, and 2.3.2 to mitigate the remote code execution vulnerability.