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HDX - IMPROPER NEUTRALIZATION OF SPECIAL ELEMENTS USED IN AN OS COMMAND

A critical vulnerability has been discovered in the Poly shell (psh) functionality on the HDX’s diagnostics port (port tcp/23). This vulnerability could allow a remote attacker to execute arbitrary code on the HDX, which could lead to compromise of the system.

Severity

Medium

Advisory ID

PLYTV17-07

Initial public release

11/15/2017

Last update

3/14/2022

Category

Poly

Resolution

Poly recommends customers upgrade to firmware build 3.1.12 or later.

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

HDX 4000

Prior to 3.1.11 hotfix

3.1.11 hotfix and above

HDX 6000

Prior to 3.1.11 hotfix

3.1.11 hotfix and above

HDX 7000

Prior to 3.1.11 hotfix

3.1.11 hotfix and above

HDX 8000

Prior to 3.1.11 hotfix

3.1.11 hotfix and above

HDX 9000

Prior to 3.1.11 hotfix

3.1.11 hotfix 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

1.2

Updated publication with GA build availability

11/24/2017

1.1

Updated publication with Hotfix availability

11/15/2017

1.0

Initial Release

11/15/2017

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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