CVE-2018-12457: Vulnerability in express-cart allows unauthorized creation of admin user
Summary
CVE-2018-12457: express-cart allows any user to create an admin user. Affected versions are not published. No fix is published. How to fix ↓
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Background
Express-Cart is an npm package that provides a shopping cart functionality for Express.js applications. It allows users to manage products, orders, and payments in an e-commerce system. However, a vulnerability has been discovered in versions prior to 1.1.6, which enables remote attackers to create an admin user through a specific request header.
Vulnerability Detail
The vulnerability in express-cart (CVE-2018-12457) arises from a lack of proper access control checks during the setup process. By sending a specially crafted Referer header to the /admin/setup endpoint, an attacker can bypass authentication and create an admin user account. This unauthorized access can lead to severe consequences, such as unauthorized access to sensitive data, modification of system settings, and potential compromise of the entire e-commerce system.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If upgrading to the latest version is not immediately feasible, a temporary workaround can be implemented by manually modifying the code. The following code snippet demonstrates how to add access control checks to the /admin/setup endpoint:
app.post('/admin/setup', (req, res) => {
if (req.headers.referer === 'https://example.com/admin/setup') {
// Perform admin user setup
} else {
// Handle unauthorized access
}
});
Conclusion
The vulnerability in express-cart (CVE-2018-12457) allows unauthorized creation of admin user accounts, posing a significant risk to the security and integrity of e-commerce systems. It is crucial to upgrade to version 1.1.6 or later to mitigate this vulnerability. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows remote attackers to create an admin user account, bypassing authentication. This can lead to unauthorized access to sensitive data, modification of system settings, and potential compromise of the entire e-commerce system.
Versions of express-cart prior to 1.1.6 are affected by this vulnerability.
Yes, upgrading to version 1.1.6 or later of express-cart fixes this vulnerability.
A temporary workaround can be implemented by manually adding access control checks to the /admin/setup endpoint as described in the 'workaround' section.
You can find more information about this vulnerability in the CVE-2018-12457 advisory and the GitHub Security Advisory GHSA-hr89-w7p6-pjmq.
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