Fortinet FortiOS - Path Traversal Vulnerability (FG-IR-22-401)

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

include('compat.inc');

if (description)
{
  script_id(172579);
  script_version("1.2");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/04/13");

  script_cve_id("CVE-2022-42476");
  script_xref(name:"IAVA", value:"2023-A-0125-S");

  script_name(english:"Fortinet FortiOS - Path Traversal Vulnerability (FG-IR-22-401)");

  script_set_attribute(attribute:"synopsis", value:
"Fortinet Firewall is affected by a privilege escalation.");
  script_set_attribute(attribute:"description", value:
"The version of FortiOS installed on the remote host is affected by a path traversal vulnerability. A relative path 
traversal vulnerability [CWE-23] in FortiOS and FortiProxy may allow privileged VDOM administrators to escalate their 
privileges to super admin of the box via crafted CLI requests.

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-22-401");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Fortigate version 6.2.13 / 6.4.12 / 7.0.9 / 7.2.4 or later.");
  script_set_cvss_base_vector("CVSS2#AV:L/AC:L/Au:M/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:H/UI:N/S:C/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-2022-42476");

  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:"2023/03/07");
  script_set_attribute(attribute:"patch_publication_date", value:"2023/03/07");
  script_set_attribute(attribute:"plugin_publication_date", value:"2023/03/15");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:fortinet:fortios");
  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) 2023 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.inc');
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' : '6.2.0', 'fixed_version' : '6.2.13' },
  { 'min_version' : '6.4.0', 'fixed_version' : '6.4.12' },
  { 'min_version' : '7.0.0', 'fixed_version' : '7.0.9' },
  { 'min_version' : '7.2.0', 'fixed_version' : '7.2.4' }
];

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