Fortinet FortiWeb - Stack-based Buffer Overflow in command line interpreter (FG-IR-21-234)

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

include('compat.inc');

if (description)
{
  script_id(197620);
  script_version("1.0");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/05/22");

  script_cve_id("CVE-2023-25602");

  script_name(english:"Fortinet FortiWeb - Stack-based Buffer Overflow in command line interpreter (FG-IR-21-234)");

  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 FortiWeb installed on the remote host is prior to tested version. It is, therefore, affected by a
vulnerability as referenced in the FG-IR-21-234 advisory.

  - A stack-based buffer overflow in Fortinet FortiWeb 6.4 all versions, FortiWeb versions 6.3.17 and earlier,
    FortiWeb versions 6.2.6 and earlier, FortiWeb versions 6.1.2 and earlier, FortiWeb versions 6.0.7 and
    earlier, FortiWeb versions 5.9.1 and earlier, FortiWeb 5.8 all versions, FortiWeb 5.7 all versions,
    FortiWeb 5.6 all versions allows attacker to execute unauthorized code or commands via specially crafted
    command arguments. (CVE-2023-25602)

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-21-234");
  script_set_attribute(attribute:"solution", value:
"Upgrade to FortiWeb version 5.9.2 / 6.0.8 / 6.1.3 / 6.2.7 / 6.3.18 / 7.0.0 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2023-25602");

  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:"2023/02/16");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/02/16");
  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:/a:fortinet:fortiweb");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  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 = 'FortiWeb';
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' : '5.6.0', 'max_version' : '5.6.2', 'fixed_version' : '5.9.2', 'fixed_display' : '5.9.2' },
  { 'min_version' : '5.7.0', 'max_version' : '5.7.3', 'fixed_version' : '5.9.2', 'fixed_display' : '5.9.2' },
  { 'min_version' : '5.8.0', 'max_version' : '5.8.7', 'fixed_version' : '5.9.2', 'fixed_display' : '5.9.2' },
  { 'min_version' : '5.9.0', 'fixed_version' : '5.9.2' },
  { 'min_version' : '6.0.0', 'fixed_version' : '6.0.8' },
  { 'min_version' : '6.1.0', 'fixed_version' : '6.1.3' },
  { 'min_version' : '6.2.0', 'fixed_version' : '6.2.7' },
  { 'min_version' : '6.3.0', 'fixed_version' : '6.3.18' },
  { 'min_version' : '6.4.0', 'max_version' : '6.4.2', 'fixed_version' : '7.0.0', 'fixed_display' : '7.0.0' }
];

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