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nessusThis script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.FORTIWEB_FG-IR-22-326.NASL
HistoryJul 10, 2024 - 12:00 a.m.

Fortinet FortiWeb (FG-IR-22-326)

2024-07-1000:00:00
This script is Copyright (C) 2024 and is owned by Tenable, Inc. or an Affiliate thereof.
www.tenable.com
8
fortinet fortiweb
improper certificate validation
vulnerability
man-in-the-middle
communication channel
waf
fortiweb 7.2.0
fortiweb 7.2.1
fortiweb 7.0
fortiweb 6.4
fortiweb 6.3
cve-2024-33509

CVSS3

4.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

17.7%

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-22-326 advisory.

  • An improper certificate validation vulnerability [CWE-295] in FortiWeb 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions and 6.3 all versions may allow a remote and unauthenticated attacker in a Man- in-the-Middle position to decipher and/or tamper with the communication channel between the device and different endpoints used to fetch data for Web Application Firewall (WAF). (CVE-2024-33509)

Note that Nessus has not tested for this issue but has instead relied only on the application’s self-reported version number.

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

include('compat.inc');

if (description)
{
  script_id(202071);
  script_version("1.1");
  script_set_attribute(attribute:"plugin_modification_date", value:"2024/07/10");

  script_cve_id("CVE-2024-33509");

  script_name(english:"Fortinet FortiWeb  (FG-IR-22-326)");

  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-22-326 advisory.

  - An improper certificate validation vulnerability [CWE-295] in FortiWeb 7.2.0 through 7.2.1, 7.0 all
    versions, 6.4 all versions and 6.3 all versions may allow a remote and unauthenticated attacker in a Man-
    in-the-Middle position to decipher and/or tamper with the communication channel between the device and
    different endpoints used to fetch data for Web Application Firewall (WAF). (CVE-2024-33509)

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-22-326");
  script_set_attribute(attribute:"solution", value:
"Upgrade to FortiWeb version 6.3.999999 / 6.4.999999 / 7.0.999999 / 7.2.2 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/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:H/PR:N/UI:N/S:U/C:L/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-2024-33509");

  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:"2024/07/09");
  script_set_attribute(attribute:"patch_publication_date", value:"2024/07/09");
  script_set_attribute(attribute:"plugin_publication_date", value:"2024/07/10");

  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' : '6.3', 'fixed_version' : '6.3.999999', 'fixed_display' : 'See vendor advisory' },
  { 'min_version' : '6.4', 'fixed_version' : '6.4.999999', 'fixed_display' : 'See vendor advisory' },
  { 'min_version' : '7.0', 'fixed_version' : '7.0.999999', 'fixed_display' : 'See vendor advisory' },
  { 'min_version' : '7.2.0', 'max_version' : '7.2.1', 'fixed_version' : '7.2.2' }
];

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

CVSS3

4.8

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N

AI Score

7.2

Confidence

Low

EPSS

0.001

Percentile

17.7%

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