Attacking Insecure Deserialization in .NET — Part 1: Fundamentals, Lab Setup, and $type Metadata Abuse
IntroductionThis article introduces Insecure Deserialization attacks in .NET and explains how attackers abuse gadget chains to achieve remote code execution. In this article, we will explore: The fundamentals of .NET deserialization Gadget chains Concept, and Serializers Build a vulnerable ASP.NET lab for testing Type metadata abuse via TypeNameHandling.All Insecure Deserialization in .NET — Definition, Key Concepts, Tools, and Exploitation FlowDefinitionThis vulnerability occurs when an...