Django 4.x < 4.2.21, 5.0.x < 5.1.9, 5.2.x < 5.2.1 DoS Vulnerability - Windows

# SPDX-FileCopyrightText: 2025 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:djangoproject:django";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.154457");
  script_version("2026-06-25T06:55:31+0000");
  script_tag(name:"last_modification", value:"2026-06-25 06:55:31 +0000 (Thu, 25 Jun 2026)");
  script_tag(name:"creation_date", value:"2025-05-08 05:07:05 +0000 (Thu, 08 May 2025)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2025-05-08 04:17:18 +0000 (Thu, 08 May 2025)");

  script_cve_id("CVE-2025-32873");

  script_tag(name:"qod_type", value:"executable_version");

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

  script_name("Django 4.x < 4.2.21, 5.0.x < 5.1.9, 5.2.x < 5.2.1 DoS Vulnerability - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_django_detect_win.nasl");
  script_mandatory_keys("django/windows/detected");

  script_tag(name:"summary", value:"Django 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:"django.utils.html.strip_tags() are slow to evaluate certain
  inputs containing large sequences of incomplete HTML tags.");

  script_tag(name:"affected", value:"Django version 4.x prior to 4.2.21, 5.0.x, 5.1.x prior to
  5.1.9 and 5.2.x prior to 5.2.1.");

  script_tag(name:"solution", value:"Update to version 4.2.21, 5.1.9, 5.2.1 or later.");

  script_xref(name:"URL", value:"https://www.djangoproject.com/weblog/2025/may/07/security-releases/");

  exit(0);
}

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

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

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

if (version_in_range_exclusive(version: version, test_version_lo: "4.0", test_version_up: "4.2.21")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "4.2.21", install_path: location);
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "5.0", test_version_up: "5.1.9")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.1.9", install_path: location);
  security_message(port: 0, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "5.2", test_version_up: "5.2.1")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "5.2.1", install_path: location);
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);