Node.js < 18.20.2, 19.x < 20.12.2, 21.x < 21.7.3 Command Injection Vulnerability (BatBadBut) - Windows

# SPDX-FileCopyrightText: 2024 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:nodejs:node.js";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.114480");
  script_version("2025-11-19T05:40:23+0000");
  script_tag(name:"last_modification", value:"2025-11-19 05:40:23 +0000 (Wed, 19 Nov 2025)");
  script_tag(name:"creation_date", value:"2024-04-11 06:51:41 +0000 (Thu, 11 Apr 2024)");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-04-10 16:15:16 +0000 (Wed, 10 Apr 2024)");

  # nb: CVE-2024-27980 is the programming language specific issue while CVE-2024-3566 is the CVE for
  # / about the underlying problem so both have been attached here.
  script_cve_id("CVE-2024-27980", "CVE-2024-3566");

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

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

  script_name("Node.js < 18.20.2, 19.x < 20.12.2, 21.x < 21.7.3 Command Injection Vulnerability (BatBadBut) - Windows");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2024 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_nodejs_smb_login_detect.nasl");
  script_mandatory_keys("nodejs/smb-login/detected");

  script_tag(name:"summary", value:"Node.js is prone to a command injection vulnerability on
  Windows dubbed 'BatBadBut'.");

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

  script_tag(name:"insight", value:"Due to the improper handling of batch files in
  child_process.spawn / child_process.spawnSync, a malicious command line argument can inject
  arbitrary commands and achieve code execution even if the shell option is not enabled.");

  script_tag(name:"affected", value:"Node.js versions prior to 18.20.2, starting from 19.x and prior
  to 20.12.2 and 21.x prior to 21.7.3 on Windows.

  Vendor note: It's important to note that End-of-Life versions are always affected when a security
  release occurs.");

  script_tag(name:"solution", value:"Update to version 18.20.2, 20.12.2, 21.7.3 or later.");

  script_xref(name:"URL", value:"https://nodejs.org/en/blog/vulnerability/april-2024-security-releases-2/");
  script_xref(name:"URL", value:"https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V21.md#2024-04-10-version-2173-current-rafaelgss");
  script_xref(name:"URL", value:"https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V20.md#2024-04-10-version-20122-iron-lts-rafaelgss");
  script_xref(name:"URL", value:"https://github.com/nodejs/node/blob/main/doc/changelogs/CHANGELOG_V18.md#18.20.2");
  script_xref(name:"URL", value:"https://www.kb.cert.org/vuls/id/123335");
  script_xref(name:"URL", value:"https://flatt.tech/research/posts/batbadbut-you-cant-securely-execute-commands-on-windows/");
  script_xref(name:"URL", value:"https://learn.microsoft.com/en-us/archive/blogs/twistylittlepassagesallalike/everyone-quotes-command-line-arguments-the-wrong-way");

  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"];

# nb: From the Jul 2024 advisory:
#
# > It's important to note that End-of-Life versions are always affected when a security release occurs
if (version_is_less(version: version, test_version: "18.20.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "18.20.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "19.0", test_version_up: "20.12.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "20.12.2", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range_exclusive(version: version, test_version_lo: "21.0", test_version_up: "21.7.3")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "21.7.3", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);