Citrix ADC and Citrix Gateway Buffer Overflow (CTX263807)

The remote Citrix ADC or Citrix Gateway device is version 11.1.x prior to 11.1-64.11, 12.1.x prior to 12.1-56.22, 13.0.x prior to 13.0-58.30. It may be, therefore, affected by a buffer overflow vulnerability in firmware for IntelR Ethernet 700 Series Controllers. This may allow an unauthenticated...

Citrix ADC and Citrix Gateway Multiple Vulnerabilities (CTX319135)

The remote Citrix ADC or Citrix Gateway device is version 11.1 before 11.1-65.22, 12.1 before 12.1-62.27 or 13.0 before 13.0-82.45. It is therefore affected by multiple vulnerabilities: - A vulnerability has been discovered in Citrix ADC formerly known as NetScaler ADC and Citrix Gateway formerly...

Citrix ADC and Citrix Gateway Session Hijack (CTX319135)

The remote Citrix ADC or Citrix Gateway device is version 12.1 before 12.1-62.25 or 13.0 before 13.0-82.42. It is therefore affected by a session hijack vulnerability that, if exploited, could lead to a phishing attack through a SAML authentication hijack to steal a valid user session. Please ref...

DNS resolution issue with new 13.0.86.17 client

ADC version 13.0.86.17, with 'Citrix Secure Access' VPN client the same version, shows as version 22.2.1.103 in the client. The old client was 13.0.58.30 shown as 21.3.1.2 1. Some users report that on the new client they cannot resolve any DNS record...

ERROR : Dotmim.Sync.SyncException: SQLite Error 14: 'unable to open database file'.

On Broker machine event viewer : Dotmim.Sync.SyncException: SQLite Error 14: 'unable to open database file'. --- Microsoft.Data.Sqlite.SqliteException: SQLite Error 14: 'unable to open database file'. à Microsoft.Data.Sqlite.SqliteException.ThrowExceptionForRCInt32 rc, sqlite3 db à...

Responder policy cannot be evaluated for Citrix Gateway "/cgi/login" request

Responder policy cannot be hit for Gateway "/cgi/login" http requst even policy expression is evaluated as TRUE...

[NetScaler] Black Screen in launching ICA when enabling HDX Insight

Launching ICA through Citrix Gateway with HDX Insight enabled, you may see black screen issuerandomly for about 3040 seconds in the beginning of desktop view on Citrix Workspace App...

Citrix Gateway Plug-in for Windows < 21.9.1.2 Improper Access Control (CTX341455)

An improper privilege vulnerability has been discovered in Citrix Gateway Plug-in for Windows Citrix Secure Access for Windows 21.9.1.2 what could allow an attacker who has gained local access to a computer with Citrix Gateway Plug-in installed, to corrupt or delete files as SYSTEM. Note that...

Joining new DDC to Multi-Zone CVAD Site fails

New DDC join process to a multi-zone CVAD site spread across different datacenters fails. This happens at the step when each service on the new DDC tries to register with Citrix Configuration service...

FLEXlm and Citrix ADM Denial of Service Vulnerability

Note: Updated October 20, 2022 to clarify that this bypasses CVE-2022-27512 and not CVE-2022-27511, which has a different root cause. On June 27, 2022, Citrix released an advisory for CVE-2022-27511 and CVE-2022-27512, which affect Citrix ADM Application Delivery Management. Rapid7 investigated...

[VPN Plugin] Transfer Login keeps Loading with Non-English language setting

In Citrix Gateway VPN environment, you may observe the following issue when "Transfer Login": After clicking "Transfer" on Client VPN plugin, the button keepsspinning loading and stuck. Logs investigation show the following clues: Problem can only be observed in Non-English language setting Plugi...

Addition of new httpprofile parameter “allowOnlyWordCharactersAndHyphen”

The Citrix ADC appliance can now allow only word characters A-Za-z0-9 and hyphen - in the http request/response header names and if the request/response has any other characters in the header names the connection will be reset...

Microsoft Security Update Validation Report October 2022

Microsoft’s October 2022 security updates have passed Citrix testing the updates are listed below. The testing is not all-inclusive; all tests are executed against English-only environments and issues may still be found upon implementation. Follow best practices for testing and installing softwar...

Vulnerabilities fixed in Citrix Hypervisor

Several vulnerabilities have been fixed in Citrix Hypervisor. A malicious party could potentially exploit the vulnerabilities to cause a denial-of-service attack. To exploit the vulnerability with reference CVE-2022-33748, two malicious virtual machines need to two rogue virtual machines to work...

Citrix Hypervisor Security Bulletin for CVE-2022-33748 & CVE-2022-33749

Several security issues have been identified in Citrix Hypervisor 8.2 LTSR CU1. These are: A malicious privileged user in a guest VM working in collaboration with a malicious privileged user in another guest VM can cause the host to crash or become unresponsive. This issue has the following CVE...

Citrix WEM - File Copy Operations fails when copying *.lnk file in the appdata directory of the user

File copy operations from a remote share to the user profile fails...

Notice Of Change Announcement For Citrix - Citrix SD-WAN

Citrix Systems, Inc. announces a Notice of Status Change for the Citrix SD-WAN product line SD-WAN 110-SE, SD-WAN 210-SE, SD-WAN 210-PE, SD-WAN 1100-SE, SD-WAN 1100-PE, SD-WAN 2100-SE, SD-WAN 2100-PE, SD-WAN 4100-SE, SD-WAN 4100PE, SD-WAN 6100-SE, SD-WAN 6100-PE, Advanced edition Add-On SKU, Clou...

CWA 2206 or Above: Citrix Published Applications Randomly Lose Focus Or Get Minimized

Citrix Published applications randomly lose focus, hide behind another window or become minimized when using Citrix Workspace App 2206 and above. This only happens when locally-installed Chrome or Edge browsers are also running on the user's local computer...

Microsoft Teams optimization on Citrix Workspace app for Chrome OS

Pre-requisites/System Requirements Why you should use Teams optimization Configuring Microsoft Teams optimization Caveats Troubleshooting Pre-requisites/System Requirements...

Unable to detect AD forest while creating machine catalog in Citrix DaaS

Unable to detect AD Forests with two domains abc.loc and xyz.loc in the Citrix Cloud environment while creating a machine catalog with below error - ErrorDetails":"Error Id: XDAPI:6E90CBED\r\n\r\nException:\r\nDesktopStudioErrorId : ExceptionThrown\r\nException : System.InvalidOperationException:...