Zero-Day Advisory

Fortinet Discovers OpenCart Unvalidated Redirects Vulnerability

Summary

Fortinet's FortiGuard Labs has discovered an Open Redirect vulnerability in OpenCart.


OpenCart is an open source PHP-based online e-commerce solution. OpenCart powers over 471669 eCommerce Entrepreneurs all over the world.


An Open Redirect vulnerability has been discovered in OpenCart. The vulnerability is caused due to insufficiently sanitizing redirect values. It allows remote attackers to launch Open Redirect attack against OpenCart users.

Solutions

FortiGuard Labs released the following FortiGate IPS signature which covers this specific vulnerability:

OpenCart.Currency.Switch.Open.Redirect
Released Sep 14, 2017

Users should apply the solution provided by OpenCart.

Timeline

Fortinet reported the vulnerability to OpenCart on September 1, 2017.

OpenCart confirmed the vulnerability on September 5, 2017.

Acknowledgement

This vulnerability was discovered by Zhouyuan Yang of Fortinet's FortiGuard Labs.

IPS Subscription

Fortinet customers who subscribe to Fortinet's intrusion prevention (IPS) service should be protected against this vulnerability with the appropriate configuration parameters in place. Fortinet's IPS service is one component of FortiGuard Subscription Services, which also offer comprehensive solutions such as antivirus, Web content filtering and antispam capabilities. These services enable protection against threats on both application and network layers. FortiGuard Services are continuously updated by FortiGuard Labs, which enables Fortinet to deliver a combination of multi-layered security intelligence and true zero-day protection from new and emerging threats. These updates are delivered to all FortiGate, FortiMail and FortiClient products. Fortinet strictly follows responsible disclosure guidelines to ensure optimum protection during a threat's lifecycle.