SAD DNS - A Clever DNS Cache Poisoning Attack

The Backend Engineering Show with Hussein Nasser

Episode | Podcast

Date: Thu, 19 Nov 2020 21:24:08 GMT

<p>A group of researchers from UC Riverside and Tsinghua University announced a new attack against the Domain Name System (DNS) called&nbsp;<a href="https://www.saddns.net/">SAD DNS</a>&nbsp;(Side channel AttackeD DNS).&nbsp;In this video I explain this attack</p> <p><br /></p> <p>0:00 Intro</p> <p>1:00 What is DNS?</p> <p>3:10 Original DNS Poisoning</p> <p>6:30 DNS Poisoning with Fragmentation Attack</p> <p>9:30 ICMP Explained</p> <p>13:00 DNS Poisoning with ICMP Error Messages</p> <p>&nbsp;</p> <p>Resources</p> <p><a href="https://blog.cloudflare.com/sad-dns-explained/">https://blog.cloudflare.com/sad-dns-explained/</a></p> <p><a href="https://www.saddns.net/">https://www.saddns.net/</a></p> <p><a href="https://bit.ly/3lHTn45">https://bit.ly/3lHTn45</a></p> <p><a href="https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol">https://en.wikipedia.org/wiki/Internet_Control_Message_Protocol</a></p>