Username, space, dash, root. A bug in telnet allows remote access to a computer without a password.
A vulnerability in the GNU InetUtils package has affected all versions from 1.9.3 to 2.7 inclusive. Although telnet seems to have been left behind along with modems and dial-up, it has unexpectedly become the source of a serious vulnerability. A bug in GNU InetUtils allows remote login as root without a password simply by sending a specially crafted environment variable value. […]
