In certain configurations, Polycom UCS Software for VVX Phones may disclose sensitive information. Polycom has found that recent software releases for the VVX line of phones may potentially disclose sensitive information when using Web Proxy Auto Discovery (WPAD) in a Microsoft environment.
If the phone is configured to use web proxy but no web proxy credentials are provided, there is a risk that potentially disclose sensitive information. This vulnerability could allow a privileged, local attacker, in specific circumstances, to read sensitive information. To exploit this vulnerability, an attacker must be able to access the VVX management interface and successfully log into an affected device.
Last Update: 3/14/2022
Initial Public Release: 6/25/2018
Advisory ID: PLYVC18-05
|Software version later than identified vulnerable release|
Poly recommends customers upgrade to the respective firmware build or later.
There is no workaround.
|1.1||7/3/2018||Updates for fixed software version and mitigations|
|1.2||7/11/2018||Corrected some language for consistency|
©2022 Plantronics, Inc. All rights reserved.
Poly, the propeller design, and the Poly logo are trademarks of Plantronics, Inc. All other trademarks are property of their respective owners. No portion hereof may be reproduced or transmitted in any form or by any means, for any purpose other than the recipient's personal use, without the express written permission of Poly.
While 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 Poly assumes no liability or responsibility for any typographical errors, out of date information, or any errors or omissions in the content of this document.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 Liability
Poly 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.