Apache Commons FileUpload < 1.5 DoS Vulnerability

# SPDX-FileCopyrightText: 2023 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:apache:commons_fileupload";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.104652");
  script_version("2023-10-12T05:05:32+0000");
  script_tag(name:"last_modification", value:"2023-10-12 05:05:32 +0000 (Thu, 12 Oct 2023)");
  script_tag(name:"creation_date", value:"2023-03-22 11:24:49 +0000 (Wed, 22 Mar 2023)");
  script_tag(name:"cvss_base", value:"7.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2023-03-01 15:09:00 +0000 (Wed, 01 Mar 2023)");

  script_cve_id("CVE-2023-24998");

  # nb: Limits might have already been configured (e.g. in the lib but also in the application using it)
  script_tag(name:"qod_type", value:"executable_version_unreliable");

  script_tag(name:"solution_type", value:"VendorFix");

  script_name("Apache Commons FileUpload < 1.5 DoS Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2023 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_apache_commons_consolidation.nasl");
  script_mandatory_keys("apache/commons/fileupload/detected");

  script_tag(name:"summary", value:"The Apache Commons FileUpload library is prone to a denial of
  service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"Apache Commons FileUpload does not limit the number of request
  parts to be processed resulting in the possibility of an attacker triggering a DoS with a
  malicious upload or series of uploads.");

  script_tag(name:"affected", value:"Apache Commons FileUpload versions prior to 1.5.");

  script_tag(name:"solution", value:"- Update to version 1.5 or later which introduced a new
  configuration option

  - Configure the new option (FileUploadBase#setFileCountMax) as is not enabled by default and must
  be explicitly configured.");

  script_xref(name:"URL", value:"https://lists.apache.org/thread/4xl4l09mhwg4vgsk7dxqogcjrobrrdoy");
  script_xref(name:"URL", value:"https://commons.apache.org/proper/commons-fileupload/security-reports.html");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if (isnull(port = get_app_port(cpe: CPE)))
  exit(0);

if (!infos = get_app_version_and_location(cpe: CPE, port: port, exit_no_version: TRUE))
  exit(0);

version = infos["version"];
location = infos["location"];

if (version_is_less(version: version, test_version: "1.5")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.5 and configure new option", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);