This script is Copyright (C) 2017 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
Choongwoo Han reports :
An exploitable crash exists in the wrestool utility on 64-bit systems
where the result of subtracting two pointers exceeds the size of int.
See also :
Update the affected package.
Risk factor :
Medium / CVSS Base Score : 6.8