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TITLE:
Microsoft Windows OLE Automation Memory Corruption Vulnerability

SECUNIA ADVISORY ID:
SA26449

VERIFY ADVISORY:
http://secunia.com/advisories/26449/

CRITICAL:
Highly critical

IMPACT:
System access

WHERE:
>From remote

OPERATING SYSTEM:
Microsoft Windows 2000 Server
http://secunia.com/product/20/
Microsoft Windows 2000 Professional
http://secunia.com/product/1/
Microsoft Windows 2000 Datacenter Server
http://secunia.com/product/1177/
Microsoft Windows 2000 Advanced Server
http://secunia.com/product/21/
Microsoft Windows XP Professional
http://secunia.com/product/22/
Microsoft Windows Server 2003 Datacenter Edition
http://secunia.com/product/1175/
Microsoft Windows Server 2003 Enterprise Edition
http://secunia.com/product/1174/
Microsoft Windows Server 2003 Standard Edition
http://secunia.com/product/1173/
Microsoft Windows Server 2003 Web Edition
http://secunia.com/product/1176/

SOFTWARE:
Microsoft Office 2004 for Mac
http://secunia.com/product/8713/
Microsoft Visual Basic 6.x
http://secunia.com/product/410/

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 input validation error in OLE
Automation when processing certain script requests. This can be
exploited to cause a memory corruption when a user e.g. visits a
specially crafted website.

Successful exploitation may allow execution of arbitrary code.

SOLUTION:
Apply patches.

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

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

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

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

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

Windows Server 2003 for Itanium-based Systems SP1/SP2:
http://www.microsoft.com/downloads/details.aspx?FamilyId=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/details.aspx?FamilyId=E1646FB0-29D5-4A6E-A8D2-304C4D7735B7

PROVIDED AND/OR DISCOVERED BY:
The vendor credits:
* An anonymous researcher, reported via iDefense Labs.
* An anonymous researcher, reported via ZDI.

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

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

Subscribe:
http://secunia.com/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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