This script is Copyright (C) 2005-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
An Ubuntu Advisory reports :
Joey Hess discovered that 'unshar' created temporary files in an
insecure manner. This could allow a symbolic link attack to create or
overwrite arbitrary files with the privileges of the user invoking the
See also :
Update the affected package.
Risk factor :
Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.8
Public Exploit Available : true