February 26-28, 2020
Montreal, Canada

5 Unicode vulnerabilities that could byte you

The number of Unicode code points has never stopped to grow just like its integration in modern technologies. Your web application is likely to support input and output formatted in UTF-8 character encoding. In this talk, you will learn about the security implications. What are the potential side effects of normalizing a UTF-8 string? How encoding can affect security controls? What are the security risks brought by punycode domains?

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Philippe Arteau


Philippe is a security engineer for ServiceNow. He has an interest in software development, penetration testing and security code review. He maintains Find Security Bugs, the static analysis tool.
He discovered significant vulnerabilities in several popular applications like Google Chrome, DropBox, Runkeeper, Jira and more. He has presented at various conferences including Black Hat Arsenal, SecTor, AppSec USA, ATLSecCon, 44CON and JavaOne.

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