CVE-2018-16483 : Security Advisory and Response

A vulnerability in the access control feature of module express-cart up to version 1.1.5 allows unauthorized users to assign administrator privileges to new users within the application.

Understanding CVE-2018-16483

This CVE entry describes a privilege escalation vulnerability in the express-cart module.

What is CVE-2018-16483?

The vulnerability in express-cart version 1.1.5 and below permits unprivileged users to elevate their privileges by adding new users as administrators.

The Impact of CVE-2018-16483

The exploit enables unauthorized users to gain administrator privileges within the application, potentially leading to unauthorized access and control.

Technical Details of CVE-2018-16483

This section provides technical details of the vulnerability.

Vulnerability Description

A flaw in the access control mechanism of express-cart <=1.1.5 allows unprivileged users to escalate their privileges by assigning administrator roles to new users.

Affected Systems and Versions

Product: express-cart
Vendor: HackerOne
Versions Affected: >=1.1.6

Exploitation Mechanism

The vulnerability can be exploited by unauthorized users to manipulate the access control feature and assign administrator privileges to new users.

Mitigation and Prevention

Protecting systems from CVE-2018-16483 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update express-cart to version 1.1.6 or higher to mitigate the vulnerability.
Review and adjust access control settings to prevent unauthorized privilege escalation.

Long-Term Security Practices

Regularly monitor and audit user privileges within the application.
Implement least privilege principles to restrict user access based on roles and responsibilities.

Patching and Updates

Apply security patches promptly to address known vulnerabilities and enhance system security.