Evernote contains a DLL hijacking vulnerability that could allow an 
unauthenticated, remote attacker to execute arbitrary code on the targeted 
system. The vulnerability exists due to some DLL file is loaded by 
'Evernote_6.1.2.2292.exe' improperly. And it allows an attacker to load this 
DLL file of the attackerÂ’s choosing that could execute arbitrary code without 
the user's knowledge.

Affected Product:

Fixed in: Evernote for Windows 6.3 

Tested on: Windows 7

Attacker can exploit this vulnerability to load a DLL file of the attacker's 
choosing that could execute arbitrary code. This may help attacker to 
Successful exploit the system if user creates shell as a DLL.

Vulnerability Scoring Details
The vulnerability classification has been performed by using the CVSSv2 scoring 
system (
Base Score: 9.3 (AV:N/AC:M/Au:N/C:C/I:C/A:C)

Proof of concept/demonstration:

1. Create a malicious 'dwmapi.dll' or 'ntmarta.dll' file and save it in your 
"Downloads" directory.

2. Download 'Evernote_6.1.2.2292.exe' from and save it in your "Downloads" 

3. Execute .exe from your "Downloads" directory.

4. Malicious dll file gets executed.

Himanshu Mehta

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