Subverting your server through its BMC: the HPE iLO4 case
iLO is the server management solution embedded in almost every HP servers for more than 10 years. It provides every feature required by a system administrator to remotely manage a server without having to reach it physically. Such features include power management, remote system console, remote CD/DVD image mounting, as well as many monitoring indicators. We’ve performed a deep dive security study of HP iLO4 (known to be used on the family of servers HP ProLiant Gen8 and ProLiant Gen9 servers) and the results of this study were presented at the REcon conference held in Brussels (February 2 – 4, 2018, see [1]). iLO4 runs on a dedicated ARM processor embedded in the server, and is totally independent from the main processor. It has a dedicated flash chip to hold its firmware, a dedicated RAM chip and a dedicated network interface. On the software side, the operating system is the proprietary RTOS GreenHills Integrity [2].[…]
https://github.com/airbus-seclab/ilo4_toolbox