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CVE-2019-9862

Status Candidate

Overview

An issue was discovered on ABUS Secvest wireless alarm system FUAA50000 3.01.01 in conjunction with Secvest remote control FUBE50014 or FUBE50015. Because "encrypted signal transmission" is missing, an attacker is able to eavesdrop sensitive data as cleartext (for instance, the current rolling code state).

Related Files

ABUS Secvest Remote Control Eavesdropping Issue
Posted Mar 25, 2019
Authored by Matthias Deeg, Thomas Detert

Thomas Detert found out that the claimed "Encrypted signal transmission" of the Secvest wireless remote control FUBE50014 is not present at all. Thus, an attacker observing radio signals of an ABUS FUBE50014 wireless remote control is able to see all sensitive data of transmitted packets as cleartext and can analyze the used packet format and the communication protocol. For instance, this security issue could successfully be exploited to observe the current rolling code state of the wireless remote control and deduce the cryptographically weak used rolling code algorithm. SySS found out that the new ABUS Secvest remote control FUBE50015 is also affected by this security vulnerability.

tags | advisory, remote, protocol
advisories | CVE-2019-9862
MD5 | b2b4808a3fad1c892d13370b57e31fc4
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