Apache ZooKeeper < 3.4.14, 3.5.0-alpha - 3.5.4-beta Information Disclosure Vulnerability

# Copyright (C) 2019 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:apache:zookeeper";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.143179");
  script_version("2022-05-24T07:24:46+0000");
  script_tag(name:"last_modification", value:"2022-05-24 07:24:46 +0000 (Tue, 24 May 2022)");
  script_tag(name:"creation_date", value:"2019-11-26 05:51:40 +0000 (Tue, 26 Nov 2019)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2022-04-19 15:35:00 +0000 (Tue, 19 Apr 2022)");

  script_cve_id("CVE-2019-0201");

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

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

  script_name("Apache ZooKeeper < 3.4.14, 3.5.0-alpha - 3.5.4-beta Information Disclosure Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2019 Greenbone Networks GmbH");
  script_family("General");
  script_dependencies("gb_apache_zookeeper_tcp_detect.nasl");
  script_mandatory_keys("apache/zookeeper/detected");

  script_tag(name:"summary", value:"Apache ZooKeeper is prone to an information disclosure
  vulnerability.");

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

  script_tag(name:"insight", value:"ZooKeeper's getACL() command doesn't check any permission when
  it retrieves the ACLs of the requested node and returns all information contained in the ACL Id
  field as plaintext string. DigestAuthenticationProvider overloads the Id field with the hash value
  that is used for user authentication. As a consequence, if Digest Authentication is in use, the
  unsalted hash value will be disclosed by getACL() request for unauthenticated or unprivileged
  users.");

  script_tag(name:"affected", value:"Apache ZooKeeper prior to version 3.4.14 and version
  3.5.0-alpha through 3.5.4-beta.");

  script_tag(name:"solution", value:"Update to version 3.4.14, 3.5.5 or later.");

  script_xref(name:"URL", value:"https://zookeeper.apache.org/security.html#CVE-2019-0201");

  exit(0);
}

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

if (!port = get_app_port(cpe: CPE))
  exit(0);

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

if (version_is_less(version: version, test_version: "3.4.14")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.4.14");
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "3.5.0", test_version2: "3.5.4")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "3.5.5");
  security_message(port: port, data: report);
  exit(0);
}

exit(99);