Citrix Workspace 2006

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Applicable Products

Citrix Workspace app 2006 for Mac Release Date: Jun 25, 2020. Compatible with: Mac OS 10.13, 10.14, 10.15. Download Citrix Workspace app for Mac Download Citrix. The new Citrix Workspace app (formerly known as Citrix Receiver) provides a great user experience — a secure, contextual, and unified workspace — on any device. It gives you instant access to all your SaaS and web apps, your virtual apps, files, and desktops from an easy-to-use, all-in-one interface powered by Citrix Workspace services. Citrix Workspace Disclaimer: This webpage is intended to provide you information about patch announcement for certain specific software products. The information is provided 'As Is' without warranty of any kind. This issue has been fixed in Citrix Workspace App. Users on Current Release of Workspace App are advised to upgrade to version 2002 or its replacement that contains the fix. Users on the LTSR version of Workspace App are advised to upgrade to version 1912 or its replacement that contains the fix. Issue Description.

Description of Problem

A vulnerability has been identified in the automatic update service of Citrix Workspace app for Windows that could result in:

  • A local user escalating their privilege level to that of an administrator on the computer running Citrix Workspace app for Windows.

  • A remote compromise of the computer running Citrix Workspace app when Windows file sharing (SMB) is enabled.

The issue has the following identifier:

Citrix workspace 2006 windows
  • CVE-2020-8207

This vulnerability affects the following supported versions of Citrix Workspace app for Windows:

  • Citrix Workspace app 2002, 2006 and 2006.1 for Windows
  • Citrix Workspace app 1912 LTSR for Windows (before CU1 Hotfix 1)

Note that this vulnerability was originally reported against a subset of the versions above. However, further investigation has discovered potential variant forms of this attack and the affected versions have been amended accordingly.

Citrix Workspace 2006 For Mac

This vulnerability does not affect Citrix Workspace app on any other platforms or any supported versions of Citrix Receiver.

Mitigating Factors

This vulnerability only exists if Citrix Workspace app was installed using an account with local or domain administrator privileges. It does not exist when a standard Windows user installed Citrix Workspace app for Windows.

A remote compromise is only possible when the user has enabled Windows file sharing (SMB) and only when the updater service is running. If authentication is required for SMB then an attacker must be able to authenticate before they could exploit this issue.

Users with automatic updates enabled and applied should have already been updated to a fixed version.

Citrix Workspace 2006 For Mac

What Customers Should Do

The issue has been addressed in the following versions of Citrix Workspace app for Windows:

  • Citrix Workspace App 2008 or later
  • Citrix Workspace App 1912 LTSR CU1 Hotfix 1 (19.12.1001) and later cumulative updates

Note that these versions have been updated since the original publication of this bulletin.

Citrix workspace 2006 windows 7Citrix Workspace 2006

Citrix strongly recommends that customers check if the version they are running has been automatically updated and, if necessary, upgrade to a fixed version as soon as possible.

The latest version of Citrix Workspace app for Windows is available from the following Citrix website location:

The latest LTSR version of Citrix Workspace app for Windows is available from the following Citrix website location:

Citrix Workspace 2006

Citrix Workspace 2006 Download

Acknowledgements

Citrix would like to thank Ceri Coburn at Pen Test Partners for working with us to protect Citrix customers during both the initial disclosure of this issue and subsequent variants.

What Citrix Is Doing

Citrix is notifying customers and channel partners about this potential security issue. This article is also available from the Citrix Knowledge Center at http://support.citrix.com/.

Obtaining Support on This Issue

If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at https://www.citrix.com/support/open-a-support-case.html.

Reporting Security Vulnerabilities

Citrix welcomes input regarding the security of its products and considers any and all potential vulnerabilities seriously. For details on our vulnerability response process and guidance on how to report security-related issues to Citrix, please visit the Citrix Trust Center at https://www.citrix.com/about/trust-center/vulnerability-process.html.

Citrix

Changelog

Date Change
2020-07-21Initial Publication
2020-09-08Revision of fixed versions