Accessibility Skip to content

HDX - Execution with Unnecessary Privileges

Vulnerability Summary

The Poly HDX Command Shell is susceptible to an escalation of privileges vulnerability that could lead to unauthorized system access and information disclosure. Poly made changes to the HDX software starting with the commercial software build 3.1.1.2 to prevent this vulnerability by removing access to development modes and adding additional restrictions on what commands could be issued.

Published

Last Update: 3/3/2022
Initial Public Release: 3/13/2013
Advisory ID:  PLYTV13-04

Products Affected
PRODUCTS FIRMWARE FIX
HDX 4000

Prior to 3.1.1.2

3.1.1.2 and above
HDX 6000

Prior to 3.1.1.2

3.1.1.2 and above
HDX 7000

Prior to 3.1.1.2

3.1.1.2 and above
HDX 8000

Prior to 3.1.1.2

3.1.1.2 and above
HDX 9000

Prior to 3.1.1.2

3.1.1.2 and above
Solution

Poly recommends customers upgrade to firmware build 3.1.1.2 or later.

 

Workaround

For customers who cannot upgrade to a fixed version, administrators can:

  • Disable telnet on the HDX,
  • Disable control on the RS-232 Serial Ports

Please consult the HDX Administrator’s Guide for information and instructions on these options.

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.

 

RECOGNITION

Poly would like to thank Moritz Jodeit & Mr. Jodeit of n.runs for reporting security vulnerabilities to us and for their coordinated disclosure.

Revision History
VERSION DATE DESCRIPTION
1.0 3/13/2013
Initial Release
2.0 3/3/2022
Format Changes

©2022 Plantronics, Inc. All rights reserved.

Trademarks
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.

Disclaimer
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 Poly assumes no liability or responsibility for any typographical errors, out of date information, or any errors or omissions in the content of this document.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.