MSI Net, Inc. & mCloudServ

A now-fixed 10-year-old bug in Sudo used in several versions of Linux allowed any local user to gain root access (Sergiu Gatlan/BleepingComputer)

Sergiu Gatlan / BleepingComputer:

A now-fixed 10-year-old bug in Sudo used in several versions of Linux allowed any local user to gain root access  —  A now-fixed Sudo vulnerability allowed any local user to gain root privileges on Unix-like operating systems without requiring authentication.