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UC Software - Exposure of Sensitive Information to an Unauthorized Actor

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.

Advisory ID

PLYVC18-05

Initial public release

6/25/2018

Last update

3/14/2022

Category

Poly

Summary

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.

Resolution

Poly recommends customers upgrade to the respective firmware build or later.

There is no workaround.

Affected products

Identify the affected products for this issue.

List of products

Product

Firmware

Fix

VVX

UCS 5.7.0.11768

UCS 5.7.1.2205

UCS 5.7.2.1277

UCS 5.8.0.12386

Software version later than identified vulnerable release

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

Corrected some language for consistency

7/11/2018

1.1

Updates for fixed software version and mitigations

7/3/2018

1.0

Initial Release

6/25/2018

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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