Hoermann BiSecur Device Key Acquisition Vulnerability

Hoermann BiSecur devices is a security door remote control device from Hoermann Germany. A security vulnerability exists in Hoermann BiSecur devices prior to version 2018. An attacker could exploit the vulnerability by recording a single radio broadcast to intercept radio frames between the BiSec...

Design/Logic Flaw

On Hoermann BiSecur devices before 2018, a vulnerability can be exploited by recording a single radio transmission. An attacker can intercept an arbitrary radio frame exchanged between a BiSecur transmitter and a receiver to obtain the encrypted packet and the 32-bit serial number. The intercepti...

CVE-2017-17910

The CVE-2017-17910 issue affects Hoermann BiSecur devices (HS5-868-BS, HSE1-868-BS, HSE2-868-BS) before 2018. A attacker can capture a single radio transmission to obtain the encrypted packet and a 32-bit serial number, then derive the encryption key due to AES-128 using a static IV and static da...

CVE-2017-17910

On Hoermann BiSecur devices before 2018, a vulnerability can be exploited by recording a single radio transmission. An attacker can intercept an arbitrary radio frame exchanged between a BiSecur transmitter and a receiver to obtain the encrypted packet and the 32-bit serial number. The intercepti...