Course

Unsafe strings

Confronting the challenge of unsafe strings in Node.js.

    Syllabus

  • Arbitrary OS code execution Video — 00:15:22
    • Sometimes, one must start processes on the server from the Node.js process. This comes at a great risk but can be mitigated.

  • Directory traversal and file inclusion Video — 00:17:09
    • This video exposes how to attack the file system of a server through a Node.js application.

  • XSS (reflected and stored) Video — 00:15:21
    • XSS have been around web applications for a while. This video shows how to avoid most common XSS cases.

  • Arbitrary JavaScript code execution Video — 00:15:22
    • Executing arbitrary JavaScript is never easy and can lead to dangerous situations. This video shows how to deal with this.

Syllabus

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.

Meet the author

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 in 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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