CVE-2019-7888 : Security Advisory and Response

Magento 2 versions 2.1 prior to 2.1.18, 2.2 prior to 2.2.9, and 2.3 prior to 2.3.2 are affected by an information disclosure vulnerability that could lead to the exposure of sensitive data.

Understanding CVE-2019-7888

What is CVE-2019-7888?

This CVE identifies a security flaw in Magento versions 2.1, 2.2, and 2.3, allowing authenticated users with email template creation privileges to inadvertently disclose confidential information using a malicious email template.

The Impact of CVE-2019-7888

The vulnerability enables an authenticated user to expose sensitive data, posing a risk of information leakage and potential misuse of confidential information.

Technical Details of CVE-2019-7888

Vulnerability Description

The flaw in Magento 2 versions 2.1.18, 2.2.9, and 2.3.2 permits authenticated users to disclose sensitive data through malicious email templates.

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 authenticated users with email template creation privileges to expose confidential information using specially crafted email templates.

Mitigation and Prevention

Immediate Steps to Take

Update Magento to the latest patched versions.
Restrict access to email template creation privileges.
Monitor email templates for suspicious content.

Long-Term Security Practices

Regularly review and update user privileges.
Conduct security training for users on email security best practices.

Patching and Updates

Apply security patches provided by Magento to address the vulnerability and enhance system security.