Security Flaws Lead to $17 Million Loss for SwapNet and Aperture Finance

SwapNet and Aperture Finance suffered significant financial losses due to security vulnerabilities, resulting in a $17 million loss on January 26. According to Foresight News, BlockSec analysis revealed that the root cause of the hacking incidents was insufficient input validation in the victim contracts. This flaw exposed the contracts to arbitrary call capabilities, allowing attackers to exploit existing token approvals and use the transferFrom function to steal assets.