This script is Copyright (C) 2008-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
Secunia reports :
The vulnerability is caused due to an error when attaching to a TTY
via the -T command line switch. This can be exploited to execute
arbitrary commands with the privileges of the user running mksh via
characters previously written to the attached virtual console.
See also :
Update the affected package.
Risk factor :
High / CVSS Base Score : 7.2