CVE-2019-8113 : Security Advisory and Response

Magento 2.2 prior to 2.2.10 and Magento 2.3 prior to 2.3.3 or 2.3.2-p1 are affected by a weak random number generator vulnerability that can be exploited for brute force attacks during customer registration confirmation.

Understanding CVE-2019-8113

What is CVE-2019-8113?

The vulnerability in Magento versions 2.2 prior to 2.2.10 and 2.3 prior to 2.3.3 or 2.3.2-p1 allows attackers to perform brute force attacks on the confirmation code used for customer registration.

The Impact of CVE-2019-8113

The weak random number generator in affected Magento versions exposes them to potential brute force attacks, compromising the security of customer registration processes.

Technical Details of CVE-2019-8113

Vulnerability Description

The vulnerability arises from the utilization of a weak random number generator in Magento 2.2 prior to 2.2.10 and Magento 2.3 prior to 2.3.3 or 2.3.2-p1, enabling brute force attacks on customer registration confirmation codes.

Affected Systems and Versions

Product: Magento 2
Vendor: Adobe Systems Incorporated
Vulnerable Versions:
Magento 2.2 prior to 2.2.10
Magento 2.3 prior to 2.3.3 or 2.3.2-p1

Exploitation Mechanism

Attackers can exploit the weak random number generator in the affected Magento versions to launch brute force attacks on the confirmation code used for customer registration.

Mitigation and Prevention

Immediate Steps to Take

Apply the security patch provided by Magento to address the vulnerability.
Monitor customer registration activities for any suspicious behavior.

Long-Term Security Practices

Implement strong random number generation practices in the application code.
Regularly update Magento to the latest secure versions.

Patching and Updates

Magento has released security updates for Magento 2.3.3 and 2.2.10 to mitigate the vulnerability.