bugtraq - Secunia Research: Internet Explorer Data Stream Handling Vulnerability

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Message-Id: <1208168278.7909.642.camel@ts2.intnet>
Date: Mon, 14 Apr 2008 12:17:58 +0200
From: Secunia Research <remove-vuln@...unia.com>
To: vuln@...unia.com
Cc: bugtraq@...urityfocus.com
Subject: Secunia Research: Internet Explorer Data Stream Handling
	Vulnerability

====================================================================== 

                     Secunia Research 08/04/2008

      - Internet Explorer Data Stream Handling Vulnerability -

====================================================================== 
Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

====================================================================== 
1) Affected Software 

* Internet Explorer 5.01
* Internet Explorer 6
* Internet Explorer 7

NOTE: Other versions may also be affected.

====================================================================== 
2) Severity 

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Vendor's Description of Software 

Product Link:
http://www.microsoft.com/windows/products/winfamily/ie/default.mspx

====================================================================== 
4) Description of Vulnerability

Secunia Research has discovered a vulnerability in Internet Explorer,
which can be exploited by malicious people to compromise a user's
system.

The vulnerability is caused due to an error when processing data
streams and can be exploited to trigger a use-after-free condition by
returning a specially crafted data stream of e.g. an unexpected
MIME-type for which no handler is registered.

Successful exploitation allows execution of arbitrary code when a user
visits a malicious website.

====================================================================== 
5) Solution 

Apply patches provided by MS08-024.

====================================================================== 
6) Time Table 

23/11/2007 - Vendor notified.
23/11/2007 - Vendor response.
08/04/2008 - Public disclosure.

====================================================================== 
7) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-1085 for the vulnerability.

MS08-024 (KB947864):
http://www.microsoft.com/technet/security/Bulletin/MS08-024.mspx

====================================================================== 
9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://corporate.secunia.com/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://corporate.secunia.com/secunia_research/33/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/secunia_vacancies/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/secunia_security_advisories/ 

====================================================================== 
10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2007-100/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

======================================================================