This script is Copyright (C) 2005-2013 Tenable Network Security, Inc.
The remote FreeBSD host is missing a security-related update.
A Gentoo Linux Security Advisory reports :
Tavis Ormandy of the Gentoo Linux Security Audit Team identified a
flaw in the Hashcash utility that an attacker could expose by
specifying a malformed reply address.
Successful exploitation would permit an attacker to disrupt Hashcash
users, and potentially execute arbitrary code.
See also :
Update the affected package.
Risk factor :
High / CVSS Base Score : 7.5