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TRIO 8800 - IMPROPER CONTROL OF GENERATION OF CODE

A vulnerability was discovered in the firmware build 5.9.0.11421 of Trio 8800. An exposed messaging service could allow an unauthenticated remote attacker to execute code and gain shell access with elevated privileges.

Severity

Critical

Advisory ID

PLYVC22-02

Initial public release

9/16/2022

Last update

9/16/2022

Category

Poly

Summary

CVE 2020-12056 – Trio 8800 Improper Control of Generation of Code

An API port allows unauthenticated communication with the device exposing remote code execution capabilities resulting in shell access with elevated privileges. A crafted request to this API allows the attacker to upload files, which can be leveraged to execute the code and results in a remote shell connection with elevated privileges.

Poly released a firmware update to address this vulnerability. There is no workaround.

Relevant Common Vulnerabilities and Exposures (CVE) List

Poly would like to thank Frank Cozijnsen and Arn Vollebregt from KPN RED team for reporting security vulnerabilities to us and for their coordinated disclosure.

List of CVE IDs

CVE ID

CVS 3.0

Severity

Vector

CVE-2020-12056

10.0

Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Learn more about CVSS 3.0 base metrics, which range from 0 to 10.

Resolution

Poly recommends customers upgrade to firmware build 5.9.2 or later.

There is no workaround.

Affected products

Identify the affected products for this issue.

List of products

Products

Firmware

Fix

Trio 8800

Poly UC Software 5.9.0.11421

Poly UC Software 5.9.2

Trio 8500

Poly UC Software 5.9.0.11421

Poly UC Software 5.9.2

Revision history

This document has been revised according to the following information.

List of versions

Version

Description

Date

1.0

Initial Release

9/16/2022

Additional information

Follow these links for additional information.

Third-party security patches

Third-party security patches that are to be installed on systems running Poly software products should be applied in accordance with the customer's patch management policy.

Contact

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.

Security bulletin archive

To view released Security Bulletins, visit https://support.hp.com/security-bulletins.

It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information.

Download HP’s security-alert PGP key

Legal information

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