ManageEngine Desktop Central < 8.0.293 Arbitrary File Upload Vulnerability

# Copyright (C) 2013 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("1.3.6.1.4.1.25623.1.0.803777");
  script_version("2021-10-15T09:03:25+0000");
  script_cve_id("CVE-2013-7390", "CVE-2014-5007");
  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:"2021-10-15 09:03:25 +0000 (Fri, 15 Oct 2021)");
  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:"2020-01-29 15:20:00 +0000 (Wed, 29 Jan 2020)");
  script_tag(name:"creation_date", value:"2013-11-20 12:28:14 +0530 (Wed, 20 Nov 2013)");
  script_name("ManageEngine Desktop Central < 8.0.293 Arbitrary File Upload Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2013 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_xref(name:"URL", value:"http://www.exploit-db.com/exploits/29674");
  script_xref(name:"URL", value:"http://security-assessment.com/files/documents/advisory/DesktopCentral%20Arbitrary%20File%20Upload.pdf");

  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 8.0.293.");

  script_tag(name:"insight", value:"The flaw in the AgentLogUploadServlet. This servlet takes input
  from HTTP POST and constructs an output file on the server without performing any sanitisation or
  even checking if the caller is authenticated.");

  script_tag(name:"solution", value:"Update to version 8.0.293 or later.");

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

  script_tag(name:"summary", value:"ManageEngine Desktop Central is prone to an arbitrary file
  upload vulnerability.");

  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();
vtstring = vtstrings["default"];

postdata = "This file is uploaded by a " + vtstring + " for vulnerability testing";

file = vtstrings["lowercase_rand"] + '.jsp';

url = dir + "/agentLogUploader?computerName=DesktopCentral&domainName=webapps&customerId=1&filename=" + file;
req = string( "POST ", url, " HTTP/1.1\r\n",
              "Host: ", host, "\r\n",
              "Content-Type: text/html;\r\n",
              "Content-Length: ", strlen( postdata ), "\r\n",
              "\r\n", postdata );
res = http_keepalive_send_recv( port:port, data:req );

if( res && res =~ "^HTTP/1\.[01] 200" && "X-dc-header: yes" >< res ) {
  report  = 'It was possible to upload the file "' + dir + '/' + file + '". Please delete this file.';
  report += '\n' + http_report_vuln_url( url:url, port:port );
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );