{Cross-Router} Covert Channels

Adar Ovadia, Rom Ogen, Yakov Mallah, Niv Gilboa, Yossi Oren

13th USENIX Workshop on Offensive Technologies (WOOT 19), 2019

Many organizations protect secure networked devices from non-secure networked devices by assigning each class of devices to a different logical network. These two logical networks, commonly called the host network and the guest network, use the same router hardware, which is designed to isolate the two networks in software.