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AUSCERT External Security Bulletin Redistribution
ESB-2020.2052
Vulnerabilities in Citrix Workspace app and Receiver for Windows
12 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: Citrix Workspace App
Citrix Receiver for Windows
Publisher: Citrix
Operating System: Windows
Impact/Access: Increased Privileges -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2020-13885 CVE-2020-13884
Original Bulletin:
https://support.citrix.com/article/CTX275460
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Vulnerabilities in Citrix Workspace app and Receiver for Windows
Reference: CTX275460
Category : High
Created : 11 Jun 2020
Modified : 11 Jun 2020
Applicable Products
o Receiver for Windows
o Citrix Workspace App
Description of Problem
Vulnerabilities have been identified in Citrix Workspace app and Receiver for
Windows that could result in a local user escalating their privilege level to
administrator during the uninstallation process.
The issues have the following identifiers:
o CVE-2020-13884
o CVE-2020-13885
These vulnerabilities affect supported versions of Citrix Workspace app for
Windows before 1912 and all supported versions of Citrix Receiver for Windows.
Thesevulnerabilities do not affect Citrix Workspace app and Receiver on any
other platforms.
What Customers Should Do
A new version of Citrix Workspace app for Windows has beenreleased.
Citrixstronglyrecommendsthatcustomersupgrade Citrix Workspace app to version
1912orlater via Auto Update, or by directly running the
installer.CustomersusingCitrixReceiver arestronglyrecommendedto upgrade to
Citrix Workspace app.
The new Citrix Workspace app
versionisavailablefromthefollowingCitrixwebsitelocation:
https://www.citrix.com/downloads/workspace-app/
The new LTSR versionisavailablefromthefollowingCitrixwebsitelocation:
https://www.citrix.com/downloads/workspace-app/
workspace-app-for-windows-long-term-service-release/
workspace-app-for-windows-1912ltsr.html
Acknowledgements
Citrix would like to thank Andrew Hess for working with us to protect Citrix
customers.
Changelog
+--------------------------+--------------------------------------------------+
|Date |Change |
+--------------------------+--------------------------------------------------+
|2020-06-11 |Initial Publication |
+--------------------------+--------------------------------------------------+
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