Citrix Workspace App for Linux: How to trust a CA certificate?

This article is intended for Citrix administrators and technical teams only. Non-admin users must contact their company's Help Desk/IT support team and can refer to CTX297149 for more information. This article's objective is to describe the steps involved in trusting a CA certificate in Citrix...

Citrix XenServer Multiple Vulnerabilities (CTX231390) (Meltdown)(Spectre)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities. C Tenable Network Security, Inc. include'compat.inc'; if description scriptid105617; scriptversion"1.12";...

Director showing error "Network unreachable. Check configuration, authentication, or service availability"

While connecting to Citrix ADMMAS from Director customer is getting error "Network unreachable. Check configuration, authentication, or service availability. " For configuring the Director with Citrix ADMMAS follow the...

Citrix XenServer Multiple Security Updates

Important Note Due to concerns about the robustness of some of the Intel microcode updates included in the earlier hotfixes for these issues XS71ECU1009, XS72E013 and XS73E001, Citrix has superseded these hotfixes with new hotfixes listed below. Customers are strongly recommended to apply these n...

Security Bulletin: NVIDIA Driver Security Updates for CPU Speculative Side Channel Vulnerabilities

NVIDIA driver response to CPU speculative side channel vulnerabilities - CVE-2017-5753, CVE-2017-5715, CVE-2017-5754 Bulletin Summary NVIDIA is providing an initial security update to mitigate aspects of Google Project Zero’s January 3, 2018 publication of novel information disclosure attacks tha...

Citrix App Layering - User Layer Error "We were unable to attach your User Layer"

When end users log into a virtual machine with Elastic layering enabled, they see the error "We were unable to attach your User Layer. Any changes you make to application settings or data will not be saved. Be sure to save any work to a shared network location." Details: "Access to the path...

Receiver 4.10: Grey Screen On Published Desktops After Upgrading To Receiver 4.10

This article is intended for Citrix administrators and technical teams only.Non-admin users must contact their company’s Help Desk/IT support team and can refer toCTX297149for more information After upgrading Receiver from 4.9 to 4.10, some clients cannot access published desktops and apps. On...

Citrix SD-WAN Path State Sensitivity Control Overview

Bad Loss Sensitive – Select a setting from the drop-down menu. The options are: Enable– Default If enabled, paths will be marked BAD due to loss, and will incur a path scoring penalty. Disable – Disabling Bad Loss Sensitive can be useful when the loss of bandwidth is intolerable. Custom – Select...

Connection failures due to SSL certificate errors with Citrix Workspace app for Chrome / Citrix Receiver for Chrome

Connection to StoreFront/VDA will fail and may show cannot connect to server error or some SSL Certificate error in console logs. One of the reason could be invalid SSL certificate. Applicable Products: Citrix Receiver for HTML5, Citrix Receiver for Chrome, Citrix Workspace app for Chrome, Citrix...

SDWAN 4000 SE- VWAN service is disabled automatically on SDWAN

MCN not working properly as the Virtual WAN Service got disabled itself. Dashboard showing the following error message: Error: Disabled by dpdkdaemon due to hardware initialization failure 4 times. The Citrix Virtual WAN Service was disabled...

Blocking Windows Update from going to the next Windows 10 Feature Update (for example 1703 or 1709)

Citrix App layering, and probably other Citrix products, may not yet support the very latest version of Windows 10. For instance, Windows 10 1703 Creators Edition was not supported in App Layering until version 4.8. Unfortunately, "Feature Updates" are hard to block, because the Windows Update UI...

Citrix NetScaler Multiple Vulnerabilities (CTX230238, CTX230612)

The remote Citrix NetScaler device is affected by multiple vulnerabilities in the Application Delivery Controller ADC and the Gateway Management Interface. Please refer to advisories CTX230238 and CTX230612 for more information. C Tenable Network Security, Inc. include'compat.inc'; if description...

Citrix XenServer Guest-to-host DoS (CTX230624)

The version of Citrix XenServer installed on the remote host is missing a security hotfix. It is, therefore, affected by a denial-of-service vulnerability as noted in the CTX230624 advisory. Note this vulnerability only affects Citrix XenServer 7.2 and 7.1 LTSR CU1. C Tenable Network Security, In...

Debugging Layer Integrity Problems in Citrix App Layering

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Citrix XenServer Security Update (CTX230624)

A security issue has been identified within Citrix XenServer that may allow the malicious administrator of a guest VM to cause the host to crash. SPDX-FileCopyrightText: 2017 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective...

Security Update for Citrix XenServer

Description of Problem A security issue has been identified within Citrix XenServer that may allow the malicious administrator of a guest VM to cause the host to crash. This issue affects Citrix XenServer 7.2 and Citrix XenServer 7.1 LTSR CU1. A CVE identifier is not presently available for this...

Citrix NetScaler Application Delivery Controller and NetScaler Gateway Information Disclosure Vulnerability

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway formerly known as Citrix Access Gateway Enterprise Edition are both products of Citrix Systems. NetScaler ADC is a service and application delivery solution Application Delivery Controller; NetScaler Gateway is a secure...

CVE-2017-17382

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

Code injection

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 might allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a...

CVE-2017-17549

Citrix NetScaler Application Delivery Controller ADC and NetScaler Gateway 10.5 before build 67.13, 11.0 before build 71.22, 11.1 before build 56.19, and 12.0 before build 53.22 allow remote attackers to obtain sensitive information from the backend client TLS handshake by leveraging use of TLS...