NoSQL Injection in express-cart
Summary
GHSA-f5cv-xrv9-r8w7: NoSQL injection in express-cart. Affects express-cart versions < 1.1.8. Fixed in 1.1.8. 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 their shopping carts and make purchases through an API. However, versions of express-cart before 1.1.8 are vulnerable to NoSQL injection.
Vulnerability Detail
The vulnerability in express-cart is due to the lack of user input sanitization in the login handlers. Both the customer login and admin login endpoints accept parameters from the JSON body and directly use them in MongoDB queries without proper validation. This allows an attacker to insert operators and perform NoSQL injection attacks. By using the $regex operator, an attacker can guess each character of the token from the start, similar to a blind SQL injection.
How To Fix
Minimum fixed version
1.1.8
This is the first release that contains the fix.
npm install express-cart@1.1.8Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
If updating to the latest version is not possible, a temporary workaround is to manually sanitize and validate the user input before using it in MongoDB queries. This can be done by checking the input for any special characters or operators and rejecting or escaping them.
Conclusion
express-cart versions before 1.1.8 are vulnerable to NoSQL injection. It is crucial to update to the latest version or apply proper input sanitization to prevent exploitation of this vulnerability. For further support on vulnerability remediation, you can contact DevNack.com.
See every vulnerability recorded for express-cart →
FAQ
NoSQL injection is a type of vulnerability where an attacker can manipulate non-relational database queries to execute unintended actions or gain unauthorized access to data.
express-cart is an npm package that provides shopping cart functionality for Express.js applications, allowing users to manage their shopping carts and make purchases through an API.
The NoSQL injection in express-cart occurs due to the lack of input sanitization in the login handlers. Attackers can insert operators in the JSON body parameters, which are then used in MongoDB queries without proper validation.
This vulnerability allows an attacker to perform NoSQL injection attacks, potentially leading to unauthorized access to sensitive data or the ability to execute unintended actions on the application.
To protect your application, it is recommended to update express-cart to version 1.1.8 or later. Additionally, always validate and sanitize user input before using it in database queries to prevent injection attacks.
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