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.
PLYVC18-05
6/25/2018
3/14/2022
Poly
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.
Poly recommends customers upgrade to the respective firmware build or later.
There is no workaround.
Identify the affected products for this issue.
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 |
This document has been revised according to the following information.
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 |
Follow these links for additional information.
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.
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.
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.
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