Docker for Windows < 19.03.9 Irrelevant Temp File Creation Vulnerability

# SPDX-FileCopyrightText: 2021 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:docker:docker";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112993");
  script_version("2025-10-10T15:40:56+0000");
  script_tag(name:"last_modification", value:"2025-10-10 15:40:56 +0000 (Fri, 10 Oct 2025)");
  script_tag(name:"creation_date", value:"2021-09-08 08:04:11 +0000 (Wed, 08 Sep 2021)");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-01-05 20:19:00 +0000 (Tue, 05 Jan 2021)");

  script_cve_id("CVE-2020-27534");

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

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

  script_name("Docker for Windows < 19.03.9 Irrelevant Temp File Creation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone AG");
  script_family("General");
  script_dependencies("gb_docker_for_windows_smb_login_detect.nasl");
  script_mandatory_keys("docker/docker_for_windows/detected", "docker/docker_for_windows/build");

  script_tag(name:"summary", value:"Docker for Windowsis is creating irrelevant temporary files.");

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

  script_tag(name:"insight", value:"util/binfmt_misc/check.go in Builder in Docker calls os.OpenFile
  with a potentially unsafe qemu-check temporary pathname, constructed with an empty first argument
  in an ioutil.TempDir call.");

  script_tag(name:"affected", value:"Docker for Windows through version 19.03.8.");

  script_tag(name:"solution", value:"Update to version 19.03.9 or later.");

  script_xref(name:"URL", value:"https://github.com/moby/moby/issues/21436");

  exit(0);
}

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

if (!version = get_app_version(cpe: CPE, nofork: TRUE))
  exit(0);

if (version_is_less(version: version, test_version: "19.03.9")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "19.03.9");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);