Elastic Kibana < 6.8.7, 7.x < 7.6.1 Multiple Vulnerabilities in Node.js (ESA-2020-01) - Linux

# 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:elastic:kibana";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.117165");
  script_version("2021-08-17T12:00:57+0000");
  script_tag(name:"last_modification", value:"2021-08-17 12:00:57 +0000 (Tue, 17 Aug 2021)");
  script_tag(name:"creation_date", value:"2021-01-19 11:49:14 +0000 (Tue, 19 Jan 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_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:"2021-07-20 23:15:00 +0000 (Tue, 20 Jul 2021)");

  script_cve_id("CVE-2019-15604", "CVE-2019-15605", "CVE-2019-15606");

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

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

  script_name("Elastic Kibana < 6.8.7, 7.x < 7.6.1 Multiple Vulnerabilities in Node.js (ESA-2020-01) - Linux");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2021 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_elastic_kibana_detect_http.nasl", "os_detection.nasl");
  script_mandatory_keys("elastic/kibana/detected", "Host/runs_unixoide");

  script_tag(name:"summary", value:"Kibana is prone to multiple vulnerabilities in the
  shipped 3rdparty Node.js component.");

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

  script_tag(name:"insight", value:"The version of Node.js shipped in Kibana contain three
  security flaws:

  - CVE-2019-15604 describes a Denial of Service (DoS) flaw in the TLS handling code of
  Node.js. Successful exploitation of this flaw could result in Kibana crashing.

  - CVE-2019-15606 and CVE-2019-15605 describe flaws in how Node.js handles malformed HTTP
  headers. These malformed headers could result in a HTTP request smuggling attack when
  Kibana is running behind a proxy vulnerable to HTTP request smuggling attacks.

  This update upgrades Node.js to version 10.19.0, which is not vulnerable to these issues.");

  script_tag(name:"affected", value:"Kibana versions prior to 6.8.7 and 7.6.1.");

  script_tag(name:"solution", value:"Update to version 6.8.7, 7.6.1 or later.");

  script_xref(name:"URL", value:"https://discuss.elastic.co/t/elastic-stack-6-8-7-and-7-6-1-security-update/222136");
  script_xref(name:"URL", value:"https://www.elastic.co/community/security");

  exit(0);
}

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

if (!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"];

if (version_is_less(version: version, test_version: "6.8.7")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.8.6", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

if (version_in_range(version: version, test_version: "7.0", test_version2: "7.6.0")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "7.6.1", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);