vBulletin includes/init.php Unspecified Vulnerability

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(16203);
  script_version("1.18");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");
  script_bugtraq_id(12299);

  script_name(english:"vBulletin includes/init.php Unspecified Vulnerability");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server contains a PHP script that is affected by an
unspecified vulnerability.");
  script_set_attribute(attribute:"description", value:
"According to its banner, the remote version of vBulletin is vulnerable
to an unspecified issue.  It is reported that versions 3.0.0 through
to 3.0.4 are prone to a security flaw in 'includes/init.php'.
Successful exploitation requires that PHP's 'register_globals' setting
be enabled.");
  script_set_attribute(attribute:"see_also", value:"https://www.vbulletin.com/forum/forum/vbulletin-announcements/vbulletin-announcements_aa/128607-vbulletin-3-0-5-released?t=125480");
  script_set_attribute(attribute:"solution", value:
"Upgrade to vBulletin 3.0.5 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/01/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/01/18");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:vbulletin:vbulletin");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2005-2022 Tenable Network Security, Inc.");

  script_dependencies("vbulletin_detect.nasl");
  script_require_keys("www/vBulletin");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}

# Check starts here

include("http_func.inc");
include("http_keepalive.inc");

port = get_http_port(default:80, embedded:TRUE);

if(!get_port_state(port))exit(0);
if ( ! can_host_php(port:port) ) exit(0);


# Test an install.
install = get_kb_item(string("www/", port, "/vBulletin"));
if (isnull(install)) exit(0);
matches = eregmatch(string:install, pattern:"^(.+) under (/.*)$");
if (!isnull(matches)) {
  ver = matches[1];
  if ( ver =~ '^3.0(\\.[0-4])?[^0-9]' ) security_hole(port);
}