Microsoft Office OneNote 2007 DLL Hijacking

2017.04.12
Credit: Yorick Koster
Risk: Medium
Local: Yes
Remote: No
CWE: N/A


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

------------------------------------------------------------------------ Microsoft Office OneNote 2007 DLL side loading vulnerability ------------------------------------------------------------------------ Yorick Koster, September 2015 ------------------------------------------------------------------------ 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) ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ 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 ------------------------------------------------------------------------ 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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