Fortinet FortiOS 5.2.x < 5.2.3 Multiple XSS

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

include("compat.inc");

if (description)
{
  script_id(88841);
  script_version("1.5");
  script_cvs_date("Date: 2018/11/15 20:50:22");

  script_cve_id("CVE-2014-8616", "CVE-2015-1880");
  script_bugtraq_id(72562, 74652);

  script_name(english:"Fortinet FortiOS 5.2.x < 5.2.3 Multiple XSS");
  script_summary(english:"Checks version of FortiOS.");

  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 FortiGate device is running a version of FortiOS that is
5.2.x prior to 5.2.3. It is, therefore, affected by multiple
cross-site scripting vulnerabilities :

  - Multiple cross-site scripting vulnerabilities exists due
    to improper validation of user-supplied input to the
    user group and vpn template menus. An attacker can
    exploit these vulnerabilities, via a specially crafted
    request, to execute arbitrary script code in a user's
    browser session. (CVE-2014-8616)

  - A cross-site scripting vulnerability exists in the
    sslvpn login page due to improper validation of
    user-supplied input. An attacker can exploit this, via a
    specially crafted request, to execute arbitrary script
    code in a user's browser session. (CVE-2015-1880)");
  script_set_attribute(attribute:"see_also", value:"https://fortiguard.com/psirt/FG-IR-15-005");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Fortinet FortiOS 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: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:"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:/o:fortinet:fortios");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Firewalls");

  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");

app_name = "FortiOS";

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

# Make sure device is FortiGate
if (!preg(string:model, pattern:"fortigate", icase:TRUE)) audit(AUDIT_HOST_NOT, "a FortiGate");

else if (version =~ "^5\.2\.")
{
  fix = "5.2.3";
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, version);

if (ver_compare(ver:version, fix:fix, strict:FALSE) == -1)
{
  set_kb_item(name:"www/0/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:0);
  }
  else security_warning(0);
  exit(0);
}
else audit(AUDIT_INST_VER_NOT_VULN, app_name, version);