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Microsoft Windows OLE Automation "substringData()" Integer Overflow
Secunia Advisory: SA26449
Release Date: 2007-08-14
Last Update: 2007-08-16
Popularity: 10,266 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Patch

OS:Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Professional

Software:Microsoft Office 2004 for Mac
Microsoft Visual Basic 6.x

Binary Analysis: BA189 :: Available for 1 Credit

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CVE reference:CVE-2007-2224


Description:
A vulnerability has been reported in Microsoft Windows, which can be exploited by malicious people to compromise a user's system.

The vulnerability is caused due to an integer overflow error in the "substringData()" method of an XMLDOM/TextNode JavaScript object. This can be exploited to cause a heap-based buffer overflow via specially-crafted arguments passed to the affected method.

Successful exploitation may allow execution of arbitrary code when a user e.g. visits a malicious website..

Solution:
Apply patches.

Windows 2000 SP4:
http://www.microsoft.com/downloads/de...=5c35b6e8-732a-4451-b5d4-23ed63e6e792

Windows XP SP2:
http://www.microsoft.com/downloads/de...=6e8de050-8589-4831-ae19-075c93509485

Windows XP Professional x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/de...=b85bb583-dc61-4d37-b458-208f5bb07ece

Windows Server 2003 SP1/SP2:
http://www.microsoft.com/downloads/de...=15d4d4fa-9bab-4da5-978e-f89c78c8086a

Windows Server 2003 x64 Edition (optionally with SP2):
http://www.microsoft.com/downloads/de...=6608d722-3ef8-4085-b771-7b17bb0ba06e

Windows Server 2003 for Itanium-based Systems SP1/SP2:
http://www.microsoft.com/downloads/de...=fc04451a-0696-4a21-b2b6-f02d4e2c33bf

Microsoft Office 2004 for Mac:
http://www.microsoft.com/mac/downloads.aspx#Office2004

Microsoft Visual Basic 6.0 Service Pack 6 (KB924053):
http://www.microsoft.com/downloads/de...=E1646FB0-29D5-4A6E-A8D2-304C4D7735B7

Provided and/or discovered by:
Independently discovered by:
* An anonymous researcher, reported via iDefense Labs
* An anonymous researcher, reported via ZDI

Changelog:
2007-08-15: Added link to ZDI.
2007-08-16: Updated advisory and added additional link to iDefense Labs.

Original Advisory:
MS07-043 (KB921503):
http://www.microsoft.com/technet/security/Bulletin/MS07-043.mspx

ZDI:
http://www.zerodayinitiative.com/advisories/ZDI-07-048.html

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=576


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