===================================================== # NO-IP DUC v4.1.1 - DLL Hijacking ===================================================== # Vendor Homepage: http://noip.com # Date: 20 Oct 2016 # Software Link : http://www.noip.com/client/DUCSetup_v4_1_1.exe # Version : 4.1.1 # Author: Ashiyane Digital Security Team # Contact: hehsan979@gmail.com ===================================================== # Description : DUC40.exe can be exploited to execute arbitrary code on victims system via DLL hijacking. # Vulnerable Libraries: bcryptPrimitives.dll CRYPTSP.dll CRYPTBASE.dll # PoC: 1. Create a malicious 'bcryptPrimitives.dll' or 'CRYPTSP.dll' or 'CRYPTBASE.dll' file and save it in "C:\Program Files\No-IP" directory. 2. Execute DUC40.exe from "C:\Program Files\No-IP" directory. 3. Malicious dll file gets executed. ===================================================== # Discovered By : Ehsan Hosseini =====================================================