Bijack: Breaking Bitcoin Network with TCP Vulnerabilities
Published in European Symposium on Research in Computer Security (ESORICS), 2023
Recommended citation: Shaoyu Li, Shanghao Shi, Yang Xiao, Chaoyu Zhang, Y. Thomas Hou, Wenjing Lou. (2023). "Bijack: Breaking Bitcoin Network with TCP Vulnerabilities." European Symposium on Research in Computer Security (ESORICS). https://shaoyu-li.github.io/files/bijack.pdf
Bijack is an off-path attack against the Bitcoin peer-to-peer network. By exploiting side channels in the TCP stack, an attacker who cannot observe the victim’s traffic can still infer connection state and then inject into or reset Bitcoin connections, disrupting block and transaction propagation.