Unsafe strings

Confronting the challenge of unsafe strings in Node.js.

4 videos  //  63 minutes of training

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Course description

Unsafe strings are the main vector for multiple attacks in Node.js. If impacts are diverse (e.g., SQL injections, directory traversals, remote code execution), the theory behind it is the same. This course will cover multiple attacks based on unsafe strings.

Course syllabus

Directory traversal and file inclusionDuration: 17:09

This video exposes how to attack the file system of a server through a Node.js application.

Arbitrary JavaScript code executionDuration: 15:22

Executing arbitrary JavaScript is never easy and can lead to dangerous situations. This video shows how to deal with this.

Arbitrary OS code executionDuration: 15:22

Sometimes, one must start processes on the server from the Node.js process. This comes at a great risk but can be mitigated.

XSS (reflected and stored)Duration: 15:21

XSS has been around web applications for a while. This video shows how to avoid the most common XSS cases.

Meet the author

Vladimir de Turckheim

LinkedIn

Vladimir works as a software engineer at Sqreen where he builds a tool to secure web applications. Previously, he was a professional security auditor and a web developer in agencies. He is one of the most active members of the Node.js Security Working Group where he handles the security of Node.js and its ecosystem.

Vladimir is an official Node.js collaborator and his contributions mostly focus on the domain of security and monitoring. He also often gives talks and training to software engineers to teach them about application security.

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