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UC Software - Improper Restriction of Operations within the Bounds of a Memory Buffer

A medium-severity vulnerability has been discovered in the web application functionality of Poly’s UCS (“Unified Communications Software”). This vulnerability could allow an authenticated remote attacker to read a limited segment of the Poly product’s memory, which could reveal an administrator password or other sensitive information.

Advisory ID

PLYVC17-04

Initial public release

9/13/2017

Last update

3/14/2022

Category

Poly

Summary

A non-admin user of Poly voice products may be able to read a segment of the Poly product’s memory. This could reveal an administrator password, granting the non-admin user admin privileges.

Poly would like to thank Francis Alexander from Beyond Security’s SecuriTeam Secure Disclosure program for reporting security vulnerabilities to us and for their coordinated disclosure.

Resolution

Poly recommends customers upgrade to the respective build for the affected SoundStation IP, VVX, and Trio devices.

Poly recommends following standard best practices for Unified Communications, as detailed in our best practices paper.

Affected products

Identify the affected products for this issue.

List of products

Product

Firmware

Fix

SoundStation IP

Prior to UCS 4.0.12

UCS 4.0.12 and above

VVX

Prior to UCS 5.6.0/ UCS 5.5.2/ UCS 5.4.7

UCS 5.6.0 and above

UCS 5.5.2 and above

UCS 5.4.7 and above

RealPresence Trio

Prior to UCS 5.4.5 rev AG

UCS 5.4.5 rev AG and above

Revision history

This document has been revised according to the following information.

List of versions

Version

Description

Date

2.0

Format Changes

3/14/2022

1.0

Initial Release

8/21/2017

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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DisclaimerWhile Poly uses reasonable efforts to include accurate and up-to-date information in this document, Poly makes no warranties or representations as to its accuracy. Poly assumes no liability or responsibility for any typographical errors, out of date information, or any errors or omissions in the content of this document. Poly reserves the right to change or update this document at any time. Individuals are solely responsible for verifying that they have and are using the most recent Technical Bulletin.

Limitation of LiabilityPoly and/or its respective suppliers make no representations about the suitability of the information contained in this document for any purpose. Information is provided "as is" without warranty of any kind and is subject to change without notice. The entire risk arising out of its use remains with the recipient. In no event shall Poly and/or its respective suppliers be liable for any direct, consequential, incidental, special, punitive, or other damages whatsoever (including without limitation, damages for loss of business profits, business interruption, or loss of business information), even if Poly has been advised of the possibility of such damages.