full-disclosure - Secunia Research: Microsoft Hierarchical FlexGrid Control Integer Overflows

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Date: Tue, 9 Dec 2008 21:17:02 +0100
From: Secunia Research <remove-vuln@...unia.com>
To: full-disclosure@...ts.grok.org.uk
Subject: Secunia Research: Microsoft Hierarchical FlexGrid
	Control Integer Overflows

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

                     Secunia Research 09/12/2008

     - Microsoft Hierarchical FlexGrid Control Integer Overflows -

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

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

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

* Microsoft Hierarchical FlexGrid Control 6.0.88.4

NOTE: Other versions may also be affected.

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

Rating: Highly critical
Impact: System compromise
Where:  Remote

====================================================================== 
3) Description of Vulnerability

Secunia Research has discovered some vulnerabilities in Microsoft
Hierarchical FlexGrid Control bundled with various products, which can
be exploited by malicious people to compromise a user's system.

The vulnerabilities are caused due to integer overflow errors in the 
ActiveX control (mshflxgd.ocx) when handling the "Rows" and "Cols" 
properties and the "ExpandAll()" and "CollapseAll()" methods. These
can be exploited to corrupt memory.

Successful exploitation allows execution of arbitrary code.

====================================================================== 
4) Solution 

Apply patches from MS08-070.

====================================================================== 
5) Time Table 

28/08/2007 - Vendor notified.
28/08/2007 - Vendor response.
26/09/2007 - Additional information provided and status update 
             requested.
26/09/2007 - Vendor informs that status update will be provided soon.
10/10/2007 - Vendor provides status update.
23/11/2007 - Status update requested.
24/11/2007 - Vendor provides status update.
15/08/2008 - Status update requested.
09/09/2008 - Status update requested.
26/09/2008 - Status update requested and vendor informed that 
             advisory will be published in a week if no status update
             is provided.
29/09/2008 - Vendor provides status update.
31/10/2008 - Vendor provides status update (targeted for November).
07/11/2008 - Vendor provides status update (targeted for December).
05/12/2008 - Vendor provides status update (on track for December).
09/12/2008 - Vendor acknowledges that fix will be issued today.
09/12/2008 - Vendor publishes security bulletin.
09/12/2008 - Public disclosure.

====================================================================== 
6) Credits 

Discovered by Carsten Eiram, Secunia Research.

====================================================================== 
7) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2008-4254 for the vulnerability.

MS08-070 (KB932349):
http://www.microsoft.com/technet/security/Bulletin/MS08-070.mspx

====================================================================== 
8) About Secunia

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

http://secunia.com/advisories/business_solutions/

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/advisories/

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://secunia.com/secunia_research/

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

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

====================================================================== 
9) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2007-72/

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

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

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