# Exploit Title: Amica Prodigy 1.7 - Privilege Escalation # Date: 2021-08-06 # Exploit Author: Andrea Intilangelo # Vendor Homepage: https://gestionaleamica.com - https://www.bisanziosoftware.com # Software Link: https://gestionaleamica.com/Download/AmicaProdigySetup.exe # Version: 1.7 # Tested on: Windows 10 Pro 20H2 x64 # CVE: CVE-2021-35312 Amica Prodigy it's a backup solution from Amica softwares (GestionaleAmica: invoices, accounting, etc., from website gestionaleamica.com), a CIR 2000 srl / Bisanzio Software srl A vulnerability was found in CIR 2000 / Gestionale Amica Prodigy v1.7. The Amica Prodigy's executable "RemoteBackup.Service.exe" has incorrect permissions, allowing a local unprivileged user to replace it with a malicious file that will be executed with "LocalSystem" privileges at scheduled time. C:\Users\user>icacls C:\AmicaProdigy\RemoteBackup.Service.exe C:\AmicaProdigy\RemoteBackup.Service.exe NT AUTHORITY\Authenticated Users:(I)(M) NT AUTHORITY\SYSTEM:(I)(F) BUILTIN\Administrators:(I)(F) BUILTIN\Users:(I)(RX) Elaborazione completata per 1 file.