Headline
CVE-2022-1805: AWS Connection Session Provisioner’s SHA256 hash is not fully verified by PCoIP Zero Clients
When connecting to Amazon Workspaces, the SHA256 presented by AWS connection provisioner is not fully verified by Zero Clients. The issue could be exploited by an adversary that places a MITM (Man in the Middle) between a zero client and AWS session provisioner in the network. This issue is only applicable when connecting to an Amazon Workspace from a PCoIP Zero Client.
HP has provided updated versions of Tera2 Zero Client firmware that remediate vulnerabilities found in firmware version 22.04 and earlier.
Severity
High
HP Reference
HPSBHF03794 Rev. 1
Release date
July 12, 2022
Last updated
July 12, 2022
Category
Teradici
Potential Security Impact
When connecting to Amazon Workspaces, the SHA256 presented by AWS connection provisioner is not fully verified by Zero Clients. The issue could be exploited by an adversary that places a MITM (Man in the Middle) between a zero client and AWS session provisioner in the network. This issue is only applicable when connecting to an Amazon Workspace from a PCoIP Zero Client.
Relevant Common Vulnerabilities and Exposures (CVE) List
Reported by: HP Teradici
List of CVE IDs
CVE ID
CVSS
Severity
Vector
CVE-2022-1805
7.5
High
CVSS3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Learn more about CVSS 3.1 base metrics, which range from 0 to 10.
PSR-2022-0059
Resolution
Products can be updated or replaced with the latest release by downloading from the Teradici website and following standard installation or update instructions:
Downloads
Zero Client Firmware 22.04.1
- https://docs.teradici.com/find/product/zero-clients/2022.04/zero-client-firmware
Zero Client Firmware 22.01.5
- https://docs.teradici.com/find/product/zero-clients/2022.01/zero-client-firmware
Update or installation instructions
Zero Client Firmware 22.04.1
- https://teradici.com/web-help/pcoip_zero_client/tera2/22.04/uploading_firmware
Zero Client Firmware 22.01.5
- https://teradici.com/web-help/pcoip_zero_client/tera2/22.01/uploading_firmware
Affected products
Identify the affected products.
Affected products
Product Name
Updated version
Status
Zero Client Firmware
22.01.5
Released May 19, 2022
Zero Client Firmware
22.04.1 and later
Released May 19, 2022
Revision history
This document has been revised according to the information below.
List of versions
Version
Description
Date
1
Initial Release
July 7, 2022
Additional information
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Third-party security patches
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Legal information
System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions.
HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Security Bulletin. HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user’s use or disregard of the information provided in this Security Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement.
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