Elasticsearch Kibana X-Pack 'CVE-2017-8441' Insufficient Access Restriction Vulnerability (Linux)

2017-10-23T00:00:00
ID OPENVAS:1361412562310108264
Type openvas
Reporter Copyright (C) 2017 Greenbone Networks GmbH
Modified 2018-10-19T00:00:00

Description

This host is running Elasticsearch Kibana with X-Pack and is prone to an insufficient access restriction vulnerability.

                                        
                                            ###############################################################################
# OpenVAS Vulnerability Test
# $Id: gb_elasticsearch_kibana_xpack_CVE-2017-8441_lin.nasl 11983 2018-10-19 10:04:45Z mmartin $
#
# Elasticsearch Kibana X-Pack 'CVE-2017-8441' Insufficient Access Restriction Vulnerability (Linux)
#
# Authors:
# Christian Fischer <christian.fischer@greenbone.net>
#
# Copyright:
# Copyright (C) 2017 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2
# (or any later version), as published by the Free Software Foundation.
#
# 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:elasticsearch:x-pack";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.108264");
  script_version("$Revision: 11983 $");
  script_cve_id("CVE-2017-8441");
  script_tag(name:"cvss_base", value:"4.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:S/C:P/I:N/A:N");
  script_tag(name:"last_modification", value:"$Date: 2018-10-19 12:04:45 +0200 (Fri, 19 Oct 2018) $");
  script_tag(name:"creation_date", value:"2017-10-23 10:54:29 +0200 (Mon, 23 Oct 2017)");
  script_name("Elasticsearch Kibana X-Pack 'CVE-2017-8441' Insufficient Access Restriction Vulnerability (Linux)");
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_category(ACT_GATHER_INFO);
  script_family("Web application abuses");
  script_dependencies("gb_elasticsearch_kibana_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("Elasticsearch/Kibana/X-Pack/Installed", "Host/runs_unixoide");
  script_require_ports("Services/www", 5601);

  script_xref(name:"URL", value:"https://www.elastic.co/community/security");

  script_tag(name:"summary", value:"This host is running Elasticsearch Kibana with X-Pack and is prone to an
  insufficient access restriction vulnerability.");

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

  script_tag(name:"insight", value:"The Flaw is due to not always correctly apply Document Level Security to
  index aliases.");

  script_tag(name:"impact", value:"Successful exploitation could allow an user with restricted permissions to
  view data they should not have access to when performing certain operations against an index alias.");

  script_tag(name:"affected", value:"Elasticsearch Kibana X-Pack versions prior to 5.3.3 and 5.4.x prior to 5.4.1.");

  script_tag(name:"solution", value:"Update to Elasticsearch Kibana X-Pack version 5.3.3, 5.4.1 or later.");

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

  exit(0);
}

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

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

if( version_is_less( version:vers, test_version:"5.3.3" ) ) {
  fix = "5.3.3";
}

if( vers =~ "^5\.4" && version_is_less( version:vers, test_version:"5.4.1" ) ) {
  fix = "5.4.1";
}

if( fix ) {
  report = report_fixed_ver( installed_version:vers, fixed_version:fix );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );