![]() send frequent updates about process state (e.g.update/retrieve configuration parameters. ![]() IPC communication is a crucial part of RouterOS operation. ![]() These exist in a pseudo-JSON format (pre 6.38) and a serialized binary format:Įach process has a fixed address inside the RouterOS system for example /nova/bin/user is at address 13 and /nova/bin/For example, /nova/bin/user has a handler at address 4 that acts as the "login" endpoint and performs authentication for other services: The actual data packets are Nova Messages ( nv::message internally). Inside MikroTik's RouterOS, programs communicate with eachother using a custom IPC protocol. Definitely check that out for more details! RouterOS IPC Note: this section is mostly an abbreviated version of our full blog post. In this section we go over some background knowledge about RouterOS IPC and discuss the two vulnerabilities. f /path/to/nova/bin/www How does it work?įOISted leverages two vulnerabilities in RouterOS v6 to enable remote code execution. ![]()
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