CVE-2016-6493

Citrix XenApp 6.x before 6.5 HRP07 and 7.x before 7.9 and Citrix XenDesktop before 7.9 might allow attackers to weaken an unspecified security mitigation via vectors related to memory permission...

Design/Logic Flaw

Citrix XenApp 6.x before 6.5 HRP07 and 7.x before 7.9 and Citrix XenDesktop before 7.9 might allow attackers to weaken an unspecified security mitigation via vectors related to memory permission...

CVE-2016-6493

CVE-2016-6493 describes a memory permission weakness in Citrix XenApp/XenDesktop that could weaken an existing security mitigation. Affected: Citrix XenDesktop up to 7.8; XenApp 7.x up to 7.8; XenApp 6.x up to 6.5 HRP06. Remediation: upgrade to XenDesktop/XenApp 7.9+ and XenApp 6.5 HRP07+ (XenApp...

CVE-2016-6493

Citrix XenApp 6.x before 6.5 HRP07 and 7.x before 7.9 and Citrix XenDesktop before 7.9 might allow attackers to weaken an unspecified security mitigation via vectors related to memory permission...

How to renew or request an SSL Certificate in Citrix Endpoint Management (XenMobile) Server

This article describes how to request or renew an SSL certificatefor Citrix Endpoint Management XenMobile Server...

How to Configure Default Device Access Behavior of Workspace app for Windows

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 CTX297149for more information. Citrix Virtual Apps and Desktops, formerly XenDesktop, fits the enterprise need to bring both VDI and...

Error: "Cannot Start App. Please contact your help desk." When Launching App Through Receiver

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. The following error is displayed when launching app through Receiver: Cannot Start App. Please conta...

How to debug Citrix Gateway connector logs (XNC)

In order to determine an issue with Citrix Gateway connector formerly known as XNC, we would need to enable debug logging...

Unable to Delete Resources: There is currently an active background action

When attempting to delete hosting infrastructure either a Connection or Resources fromCitrix Studio, the following message appears: "Resources "Local storage" cannot be deleted because they are being used by the following Machine Catalogs and/or background actions:..." Background To avoid...

Error: "Power State Unknown" "CDS_EVENT_HOSTING_FAILED_POWER_ACTION" in XenDesktop

Machines in Desktop Studio or Desktop Director display a Power State of Unknown. CDSEVENTHOSTINGFAILEDPOWERACTION The Citrix Broker Service detected that power action '%1' on virtual machine '%2' failed. This problem is most likely due to a host issue. Check that the configuration of the virtual...

Security Bypass Vulnerabilities in Multiple Citrix Products

Citrix XenDesktop and others are products of Citrix Systems, Inc. Citrix XenDesktop is a desktop virtualization solution; Citrix XenApp is an on-demand application delivery solution. A security bypass vulnerability exists in multiple Citrix products. An attacker could exploit this vulnerability t...

Citrix Provisioning Services : BSOD "NETWORK_BOOT_DUPLICATE_ADDRESS

Intermittent Blue Screen on Target Devices with an error NETWORKBOOTDUPLICATEADDRESS. The error was present using both PXE & BDM ISO...

How to configure XenMobile to use multiple domain suffix in LDAP config

Enroll devices using alternate upn suffix and configure Citrix Endpoint Management to use a domain suffix for authentication. Refer to Citrix documentation - Citrix Gateway and Endpoint Management...

Director not Showing the Licensing Status due to a Configuration Error

Unable to view license status in XenDesktop Director with error "Cannot retrieve the data. Data source unresponsive due to a configuration error. View Director server event logs for further information. " The event log on the Director server has the following error: Log Name: Application Source:...

Citrix XenServer Multiple Vulnerabilities (CTX214954) (Bunker Buster)

The version of Citrix XenServer running on the remote host is missing a security hotfix. It is, therefore, affected by multiple vulnerabilities : - A privilege escalation vulnerability known as 'Bunker Buster' exists in the paravirtualization PV pagetable implementation due to incorrect usage of...

CVE-2016-6493 - Memory Permission Weakness in Citrix XenApp and XenDesktop

Description of Problem A weakness has been identified in Citrix XenApp and XenDesktop. While this issue is not directly exploitable, it could potentially weaken an existing security mitigation, resulting in a loss of defence in depth. This weakness affects the following Citrix products: Citrix...

Citrix NetScaler Service Delivery Appliance Multiple Security Updates (CTX206006)

A number of vulnerabilities have been identified in the Citrix NetScaler Service Delivery Appliance SDX that could allow a malicious administrative user to crash the host or other VMs and execute arbitrary code on the SDX host. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions migh...

Citrix XenServer Multiple Security Updates (CTX214954)

A number of security vulnerabilities have been identified in Citrix XenServer that may allow a malicious administrator of a PV guest VM to compromise or crash the host. SPDX-FileCopyrightText: 2016 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright...

Unable to Change Expired Passwords in Wyse Thin Client

When a user's password expire and they reach out to Internal IT support department,thepassword is changed for the user and ashot password is given. 2. When the user then enters his new password and instead of being allowed to log on and change his password, they get "Citrix Sign on failed". On...

How to fix Citrix DNE Installation and Other Issues

Citrix Gateway, formerly Citrix NetScaler Unified Gateway Citrix Virtual Apps, formerly XenApp, fits the enterprise need to bring legacy apps into a cloud management environment. This article describes how to fix Citrix DNE installation and other issues. Background Citrix Deterministic Network...