Roger Meyer
State of DNS Rebinding in 2023
Different forms of DNS rebinding attacks have been described as far back as 1996 for Java Applets and 2002 for JavaScript (Quick-Swap). It has been four years since our State of DNS Rebinding presentation in 2019 at DEF CON 27 (slides), where we introduced our DNS rebinding attack framework Singularity…
Tool Release – HTTPSignatures: A Burp Suite Extension Implementing HTTP Signatures
HTTPSignatures is a PortSwigger Burp Suite extension that implements the Signing HTTP Messages draft-ietf-httpbis-message-signatures-01 specification draft document. What motivated my creation in this tool was the lack of an easy way to test applications and services using HTTP Signatures. This extension allows Burp Suite users to seamlessly test applications that…
Impact of DNS over HTTPS (DoH) on DNS Rebinding Attacks
DNS over HTTPS (DoH) is a new protocol to perform DNS resolution over HTTPS. It has been in the news recently as Google and Mozilla have both implemented DoH in Chrome and Firefox respectively. DoH encrypts DNS traffic using HTTPS. This prevents internet service providers and anybody in a privileged…