Microsoft Office OneNote 2007 DLL Hijacking

Published
Credit
Risk
2017.04.12
Yorick Koster
Medium
CWE
CVE
Local
Remote
N/A
CVE-2017-0197
Yes
No

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete

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Microsoft Office OneNote 2007 DLL side loading vulnerability
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Yorick Koster, September 2015

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Abstract
------------------------------------------------------------------------
A DLL side loading vulnerability was found in Microsoft Office OneNote
2007. This issue can be exploited by loading the Microsoft Office
OneNote Mobile ActiveSync Provider for Desktop object as an embedded OLE
object. When instantiating the object Windows will try to load the DLL
ceutil.dll from the current working directory. If an attacker convinces
the user to open a specially crafted (Office) document from a directory
also containing the attacker's DLL file, it is possible to execute
arbitrary code with the privileges of the target user. This can
potentially result in the attacker taking complete control of the
affected system.

------------------------------------------------------------------------
See also
------------------------------------------------------------------------
- CVE-2017-0197
- Microsoft OneNote 2007 Service Pack 3 (3191829)
- Microsoft OneNote 2010 Service Pack 2 (64-bit editions) (2589382)
- Microsoft OneNote 2010 Service Pack 2 (32-bit editions) (2589382)

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Tested versions
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This issue was successfully verified on Windows 7 + Office 2007 32-bit.

------------------------------------------------------------------------
Fix
------------------------------------------------------------------------
Microsoft released updates for Microsoft OneNote 2007 Service Pack 3 and
Microsoft OneNote 2010 Service Pack 2 that fix this vulnerability:

- Microsoft OneNote 2007 Service Pack 3 (3191829)
- Microsoft OneNote 2010 Service Pack 2 (64-bit editions) (2589382)
- Microsoft OneNote 2010 Service Pack 2 (32-bit editions) (2589382)

------------------------------------------------------------------------
Details
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https://www.securify.nl/advisory/SFY20150907/microsoft_office_onenote_2007_dll_side_loading_vulnerability.html

Vulnerability details

It was discovered that Microsoft Office OneNote 2007 is affected by DLL side loading. Loading the Microsoft Office OneNote Mobile ActiveSync Provider for Desktop object (CLSID {F97DE610-BBC2-4F3A-A86D-F261AA2CFC1B}) as an OLE object will result in Windows trying to load the DLL ceutil.dll from the current working directory.

An attacker can exploit this issue by convincing a target user into opening a specially crafted (Office) document from a directory containing the attacker's DLL. This allows for the execution of arbitrary code that will be executed with the privileges of the target user, potentially resulting in a full compromise of the affected system.

References:

https://www.securify.nl/advisory/SFY20150907/microsoft_office_onenote_2007_dll_side_loading_vulnerability.html


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