Docker < 1.3.2 Privilege Escalation Vulnerability

# Copyright (C) 2021 Greenbone Networks GmbH
# 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-or-later
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

CPE = "cpe:/a:docker:docker";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.112987");
  script_version("2021-09-09T07:55:52+0000");
  script_tag(name:"last_modification", value:"2021-09-09 07:55:52 +0000 (Thu, 09 Sep 2021)");
  script_tag(name:"creation_date", value:"2021-09-08 08:04:11 +0000 (Wed, 08 Sep 2021)");
  script_tag(name:"cvss_base", value:"7.5");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:P/A:P");

  script_cve_id("CVE-2014-6407");

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

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

  script_name("Docker < 1.3.2 Privilege Escalation Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Privilege escalation");
  script_dependencies("gb_docker_http_rest_api_detect.nasl", "gb_docker_ssh_login_detect.nasl");
  script_mandatory_keys("docker/version");

  script_tag(name:"summary", value:"Docker is prone to a privilege escalation vulnerability.");

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

  script_tag(name:"insight", value:"The Docker engine is vulnerable to extracting files to
  arbitrary paths on the host during 'docker pull' and 'docker load' operations. This was
  caused by symlink and hardlink traversals present in Docker's image extraction.");

  script_tag(name:"impact", value:"This vulnerability could be leveraged to perform remote code
  execution and privilege escalation.");

  script_tag(name:"affected", value:"Docker prior to version 1.3.2.");

  script_tag(name:"solution", value:"Update to version 1.3.2 or later.");

  script_xref(name:"URL", value:"https://www.openwall.com/lists/oss-security/2014/11/24/5");

  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: "1.3.2")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "1.3.2");
  security_message(port: 0, data: report);
  exit(0);
}

exit(99);