Fortinet FortiWeb 5.1.2 < 5.3.5 Autolearn Configuration Multiple XSS

#
# (C) Tenable Network Security, Inc.
#

include("compat.inc");

if (description)
{
  script_id(88842);
  script_version("1.4");
  script_cvs_date("Date: 2018/11/15 20:50:19");

  script_cve_id("CVE-2014-8619");
  script_bugtraq_id(74679);

  script_name(english:"Fortinet FortiWeb 5.1.2 < 5.3.5 Autolearn Configuration Multiple XSS");
  script_summary(english:"Checks version of FortiWeb.");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by multiple cross-site scripting
vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote FortiWeb device is running a software version greater than
or equal to 5.1.2 and less than 5.3.5. It is, therefore, affected by
multiple cross-site scripting vulnerabilities due to improper
validation of user-supplied input to the autolearn configuration page.
An attacker can exploit these vulnerabilities, via a specially crafted
request, to execute arbitrary script code in a user's browser session.");
  script_set_attribute(attribute:"see_also", value:"https://fortiguard.com/psirt/FG-IR-15-005");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Fortinet FortiWeb version 5.2.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"false");

  script_set_attribute(attribute:"vuln_publication_date",value:"2015/02/25");
  script_set_attribute(attribute:"patch_publication_date",value:"2015/02/25");
  script_set_attribute(attribute:"plugin_publication_date", value:"2016/02/18");

  script_set_attribute(attribute:"plugin_type",value:"local");
  script_set_attribute(attribute:"cpe",value:"cpe:/a:fortinet:fortiweb");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2016-2018 Tenable Network Security, Inc.");

  script_dependencies("fortinet_version.nbin");
  script_require_keys("Host/Fortigate/model", "Host/Fortigate/version");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");

model = get_kb_item_or_exit("Host/Fortigate/model");
version = get_kb_item_or_exit("Host/Fortigate/version");

app_name = "FortiWeb";
fix = '5.3.5';
port = 0;

# Make sure device is FortiWeb.
if (!preg(string:model, pattern:app_name, icase:TRUE)) audit(AUDIT_HOST_NOT, "a " + app_name + " device");

# 5.1.2 - 5.3.4. vulnerable
if (ver_compare(ver:version, fix:"5.1.2", strict:FALSE) >= 0 &&
    ver_compare(ver:version, fix:fix, strict:FALSE) == -1)
{
  set_kb_item(name:"www/" + port + "/XSS", value:TRUE);
  if (report_verbosity > 0)
  {
    report =
      '\n  Model             : ' + model +
      '\n  Installed version : ' + version +
      '\n  Fixed version     : ' + fix +
      '\n';

    security_warning(extra:report, port:port);
  }
  else security_warning(port:port);
  exit(0);
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, version);