bugtraq - ZDI-09-055: Microsoft Office OWC10 ActiveX Control Loading and Unloading Heap Corruption Vulnerability

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Message-ID: <C6A73DD7.1A3AE%zdi-disclosures@tippingpoint.com>
Date: Tue, 11 Aug 2009 15:25:11 -0500
From: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
To: FD <full-disclosure@...ts.grok.org.uk>,
	bugtraq <bugtraq@...urityfocus.com>
Cc: ZDI Disclosures <zdi-disclosures@...pingpoint.com>
Subject: ZDI-09-055: Microsoft Office OWC10 ActiveX Control Loading and
 Unloading Heap Corruption Vulnerability

ZDI-09-055: Microsoft Office OWC10 ActiveX Control Loading and Unloading
Heap Corruption Vulnerability
http://www.zerodayinitiative.com/advisories/ZDI-09-055
August 11, 2009

-- CVE ID:
CVE-2009-0562

-- Affected Vendors:
Microsoft

-- Affected Products:
Microsoft Office Word
Microsoft Office Excel

-- TippingPoint(TM) IPS Customer Protection:
TippingPoint IPS customers have been protected against this
vulnerability by Digital Vaccine protection filter ID 8299.
For further product information on the TippingPoint IPS, visit:

    http://www.tippingpoint.com

-- Vulnerability Details:
This vulnerability allows attackers to execute arbitrary code on
vulnerable installations of Microsoft Office. User interaction is
required to exploit this vulnerability in that the target must visit a
malicious page.

The specific flaw exists when loading and unloading the vulnerable
control (0002E543-0000-0000-C000-000000000046) and results in transfer
of control to unallocated memory. This issue can be exploited to execute
arbitrary code under the context of the currently logged in user user.

-- Vendor Response:
Microsoft has issued an update to correct this vulnerability. More
details can be found at:

http://www.microsoft.com/technet/security/bulletin/MS09-043.mspx

-- Disclosure Timeline:
2007-03-29 - Vulnerability reported to vendor
2009-08-11 - Coordinated public release of advisory

-- Credit:
This vulnerability was discovered by:
    * Peter Vreugdenhil

-- About the Zero Day Initiative (ZDI):
Established by TippingPoint, The Zero Day Initiative (ZDI) represents
a best-of-breed model for rewarding security researchers for responsibly
disclosing discovered vulnerabilities.

Researchers interested in getting paid for their security research
through the ZDI can find more information and sign-up at:

    http://www.zerodayinitiative.com

The ZDI is unique in how the acquired vulnerability information is
used. TippingPoint does not re-sell the vulnerability details or any
exploit code. Instead, upon notifying the affected product vendor,
TippingPoint provides its customers with zero day protection through
its intrusion prevention technology. Explicit details regarding the
specifics of the vulnerability are not exposed to any parties until
an official vendor patch is publicly available. Furthermore, with the
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Our vulnerability disclosure policy is available online at:

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