Python DoS Vulnerability (Dec 2025) - Mac OS X

# 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:python:python";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.133142");
  script_version("2025-12-19T15:41:09+0000");
  script_tag(name:"last_modification", value:"2025-12-19 15:41:09 +0000 (Fri, 19 Dec 2025)");
  script_tag(name:"creation_date", value:"2025-12-04 11:38:01 +0000 (Thu, 04 Dec 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:"2025-12-16 21:13:09 +0000 (Tue, 16 Dec 2025)");

  script_cve_id("CVE-2025-12084");

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

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

  script_name("Python DoS Vulnerability (Dec 2025) - Mac OS X");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2025 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_python_consolidation.nasl");
  script_mandatory_keys("python/mac-os-x/detected");

  script_tag(name:"summary", value:"Python 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:"When building nested elements using xml.dom.minidom methods such
  as appendChild() that have a dependency on _clear_id_cache() the algorithm is quadratic.
  Availability can be impacted when building excessively nested documents.");

  script_tag(name:"affected", value:"Python prior to version 3.13.11 and 3.14.0 prior to 3.14.2.");

  script_tag(name:"solution", value:"Update to version 3.13.11, 3.14.2 or later.");

  script_xref(name:"URL", value:"https://github.com/python/cpython/issues/142145");
  script_xref(name:"URL", value:"https://github.com/python/cpython/pull/142146");
  script_xref(name:"URL", value:"https://github.com/python/cpython/commit/08d8e18ad81cd45bc4a27d6da478b51ea49486e4");
  script_xref(name:"URL", value:"https://www.cve.org/CVERecord?id=CVE-2025-12084");

  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,
                                          version_regex: "^[0-9]+\.[0-9]+\.[0-9]+"))
  exit(0);

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

if (version_is_less(version: version, test_version: "3.13.11")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.13.11", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "3.14.0", test_version_up: "3.14.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.14.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);