Huawei's eSpace Meeting solution fully meets the needs of enterprise customers for an integrated daily collaboration system by integrating the conference server, conference video terminal, conference user authorization, and teleconference.
The application is vulnerable to an elevation of privileges vulnerability which can be used by a simple user that can change the executable file with a binary of choice. The vulnerability exist due to the improper permissions, with the 'F' flag (full) for the 'Users' group, for the 'eMservice.exe' binary file. The service is installed by default to start on system boot with LocalSystem privileges. Attackers can replace the binary with their rootkit, and on reboot they get SYSTEM privileges.