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RPRM - IMPROPER RESTRICTION OF XML EXTERNAL ENTITY REFERENCE

A vulnerability was discovered in the firmware build 10.8.0 of RealPresence Resource Manager. An attacker with access to the server can trigger an XXE attack, which can result in disclosure of data, port scanning, or

Severity

Medium

Advisory ID

PLYUI22-04

Initial public release

9/16/2022

Last update

9/16/2022

Category

Poly

Summary

CVE 2020-12057 – RPRM Improper Restriction of XML External Entity Reference

A weakness in the XML parser for RPRM version 10.8.0 allows XML input from untrusted sources to process external entities resulting in an XXE attack.

Poly released a firmware update to address this vulnerability. There is no workaround.

Relevant Common Vulnerabilities and Exposures (CVE) List

Poly would like to thank Frank Cozijnsen and Arn Vollebregt from KPN RED team for reporting security vulnerabilities to us and for their coordinated disclosure.

List of versions

Version

Description

Date

1

Initial Release

44820

Learn more about CVSS 3.0 base metrics, which range from 0 to 10.

Resolution

Poly recommends customers upgrade RealPresence Resource Manager to Poly Clariti version 10.10 or later.

There is no workaround.

Affected products

Identify the affected products for this issue.

List of products

Product

Firmware

Fix

RealPresence Resource Manager

10.8.0

Poly Clariti 10.10

Revision history

This document has been revised according to the following information.

List of versions

Version

Description

Date

1.0

Initial Release

9/16/2022

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.

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Download HP’s security-alert PGP key

Legal information

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