Fortinet Fortigate (FG-IR-23-225)

#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##

include('compat.inc');

if (description)
{
  script_id(197623);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/22");

  script_cve_id("CVE-2023-45586");
  script_xref(name:"IAVA", value:"2024-A-0165");

  script_name(english:"Fortinet Fortigate  (FG-IR-23-225)");

  script_set_attribute(attribute:"synopsis", value:
"Fortinet Firewall is missing one or more security-related updates.");
  script_set_attribute(attribute:"description", value:
"The version of Fortigate installed on the remote host is prior to tested version. It is, therefore, affected by a
vulnerability as referenced in the FG-IR-23-225 advisory.

  - An insufficient verification of data authenticity vulnerability [CWE-345] in Fortinet FortiOS SSL-VPN
    tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.12 & FortiProxy SSL-
    VPN tunnel mode version 7.4.0 through 7.4.1, version 7.2.0 through 7.2.7 and before 7.0.13 allows an
    authenticated VPN user to send (but not receive) packets spoofing the IP of another user via crafted
    network packets. (CVE-2023-45586)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.fortiguard.com/psirt/FG-IR-23-225");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Fortigate version 7.0.13 / 7.2.8 / 7.4.2 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-45586");

  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:"2024/03/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/05/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/05/22");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fortinet:fortios");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.");

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

  exit(0);
}

include('vcf_extras_fortios.inc');

var app_name = 'Fortigate';
var app_info = vcf::get_app_info(app:app_name, kb_ver:'Host/Fortigate/version');
vcf::fortios::verify_product_and_model(product_name:app_name);

var constraints = [
  { 'min_version' : '6.2', 'fixed_version' : '7.0.13', 'fixed_display' : 'Migrate to a fixed release.' },
  { 'min_version' : '7.0.0', 'max_version' : '7.0.12', 'fixed_version' : '7.0.13', 'fixed_display' : 'Migrate to a fixed release.' },
  { 'min_version' : '7.2.0', 'max_version' : '7.2.7', 'fixed_version' : '7.2.8' },
  { 'min_version' : '7.4.0', 'max_version' : '7.4.1', 'fixed_version' : '7.4.2' }
];

vcf::check_version_and_report(
    app_info:app_info,
    constraints:constraints,
    severity:SECURITY_WARNING
);