A weakness was identified in the Polycom Trio Bluetooth stack which could allow an attacker to use the Trio’s microphone to record sound remotely without authentication or notification of the user.
CVE 2018-14934 – Trio Incorrect Permission Assignment for Critical Resource
The Bluetooth subsystem on Polycom Trio devices with software before 5.5.4 has Incorrect Access Control. An attacker can connect without authentication and subsequently record audio from the device microphone.
Poly released a firmware update to address this vulnerability. There is no workaround.
Last Update: 3/14/2022
Initial Public Release: 11/1/2018
Advisory ID: PLYVC18-09
CVE ID: CVE-2018-14934
CVSS Score: 6.5
Prior to UC Software 5.5.4
|Poly UC Software 5.7.2|
Poly recommends customers upgrade to firmware build 5.7.2 or later.
There is no workaround.
Any customer using an affected system who is concerned about this vulnerability within their deployment should contact Poly Technical Support – (888) 248-4143, (916) 928-7561, or visit the Poly Support Site.
Poly would like to thank Phil Wilcox from Cyberis Ltd. for reporting security vulnerabilities to us and for their coordinated disclosure.
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