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Message-ID: <56DF48EF.3060903@securify.nl> Date: Tue, 8 Mar 2016 22:49:35 +0100 From: "Securify B.V." <lists@...urify.nl> To: bugtraq@...urityfocus.com Subject: Windows Mail Find People DLL side loading vulnerability ------------------------------------------------------------------------ Windows Mail Find People DLL side loading vulnerability ------------------------------------------------------------------------ Yorick Koster, September 2015 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A DLL side loading vulnerability was found in the Windows Mail Find People DLL. This issue can be exploited by loading the "For &People..." object as an embedded OLE object. When instantiating the object Windows will try to load the DLL wab32res.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-2016-0100 - MS16-025: Security Update for Windows Library Loading to Address Remote Code Execution (3140709) ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully verified on Windows Vista + Office 2010 32-bit. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ Microsoft released MS16-025 that fixes this vulnerability. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://www.securify.nl/advisory/SFY20150904/windows_mail_find_people_dll_side_loading_vulnerability.html
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