Citrix Provisioning Services - Slow Target Boot With Sentinel One Client

Provisioned Target Devices boot slow or initially boot ok in small batches but after a certain number of Devices are running Target performance continues to nose dive. Target devices get stuck at a black screen or "found vDisk" early in the PXE boot process. Target Devices show an uptick in the...

Vortex - VPN Overall Reconnaissance, Testing, Enumeration And eXploitation Toolkit

VPN Overall Reconnaissance, Testing, Enumeration and Exploitation Toolkit Overview A very simple Python framework, inspired by SprayingToolkit, that tries to automate most of the process required to detect, enumerate and attack common O365 and VPN endpoints like Cisco, Citrix, Fortinet, Pulse,...

Citrix Workspace App for windows - Microphone not detected in MS Teams through HP laptop

When utilizing Microsoft Teams optimization through Citrix Workspace, Teams is unable to access the built-in microphone, despite other applications detecting it without issues...

Gateway 12.1 55.247- after reboot/restart the Gateway is not working need to Enable/Disabled MBF for get access to the Gateway page

After ADC reboot/restart Customer unable to access Citrix Gateway page. Customer had to toggle MBF mode on ADC for restore access to Citrix Gateway Page...

CVE-2021-20257

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits tx descriptors in processtxdesc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial o...

Allow Citrix Secure Access app for macOS to access device certificate without asking for system credentials every time

If device certificate check has been configured on ADC, then the client app Citrix Secure Access must provide the device certificate present in the Mac’s Keychain. Since the certificate is placed in “System Keychain”, macOS might prompt for system credentials every time the user logs on. To avoid...

CVAD Setup Wizard Fails To Complete When Using Citrix Cloud - Index Was Out Of Range

Running the Provisioning Services CVAD Setup Wizard to create or add new machines to a Citrix Cloud catalog fails to create the devices. Upon clicking finish, after specifying wizard parameters, the wizard closes and the following error appears: Error: Index was out of range. Must be non-negative...

Microsoft Security Update Validation Report March 2022

Microsoft’s March 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 software...

Keyboard layout dynamic sync not working with East Asian, Cyrillic language usernames

When a user using Windows English OS and the username chars are East Asian/Cyrillic Unicode, the Keyboard layout dynamic sync of the Citrix Workspace App will not work. The remote language bar’s language will always be the first-time synced language when the session is created. Changing Microsoft...

CVE-2022-26355

Citrix Federated Authentication Service FAS 7.17 - 10.6 causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider MSKSP. This issue only...

CVE-2022-26355

Citrix Federated Authentication Service FAS 7.17 - 10.6 causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider MSKSP. This issue only...

Design/Logic Flaw

Citrix Federated Authentication Service FAS 7.17 - 10.6 causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider MSKSP. This issue only...

Prophet Spider exploits Log4j and Citrix vulnerabilities to deploy webshells

THREAT LEVEL: Red. For a detailed advisory, download the pdf file here Prophet Spider is a well-known Initial Access Broker IAB group. Prophet Spiders tradecraft continues to grow while exploiting known web-server vulnerabilities such as Citrix and Log4j. A remote code execution RCE...

CVE-2022-26355 Citrix Federated Authentication Service (FAS)

Citrix Federated Authentication Service FAS 7.17 - 10.6 causes deployments that have been configured to store a registration authority certificate's private key in a Trusted Platform Module TPM to incorrectly store that key in the Microsoft Software Key Storage Provider MSKSP. This issue only...

CVE-2022-26355

Summary: CVE-2022-26355 affects Citrix Federated Authentication Service (FAS) versions 7.17–10.6. When deployments configure the registration authority certificate’s private key to be stored in a TPM and PowerShell is used for that configuration, the private key is incorrectly stored in the Micro...

Driver Disk for Mellanox mlnxen 5.4-1.0.3.0 - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers running the Citrix Hypervisor 8.2 LTSR release who use Mellanox's mlnxen driver and wish to use the latest version of the following: Driver Module| Version ---|--- mlxcompat| Not applicable mlxfw| Not applicable auxiliary| Not applicable mlx5ib|...

Vulnerability fixed in AMD processors

AMD has fixed a vulnerability with reference CVE-2021-26401 for the Ryzen and Athlon processors. This vulnerability has the same cause as the vulnerability known as Spectre, with attribute CVE-2017-5717. This vulnerability allows a malicious party to obtain sensitive data from the memory of a loc...

Driver Disk for Qlogic qla2xxx 10.02.06.03-k - For Citrix Hypervisor 8.2 LTSR

Who Should Install this Driver Disk? Customers on Dell hardware running the Citrix Hypervisor 8.2 LTSR release who use Qlogic's qla2xxx driver and wish to use the latest version of the following: Driver Module| Version ---|--- qla2xxx| 10.02.06.03-k Note: If you use Dell hardware, ensure that you...

Citrix Virtual Apps and Desktops 安全漏洞

Citrix Systems Citrix Virtual Apps and Desktops is a virtualization software from Citrix Systems that provides virtual desktops and virtual applications for any operating system. A security vulnerability exists in Citrix Virtual Apps and Desktops, which can be exploited by an attacker to bypass...

Citrix Hypervisor Security Update

An issue has been identified in AMD CPU hardware that may allow code in a guest VM to infer the value of in-memory data in other guest VMs. Although this is not an issue in the Citrix Hypervisor product itself, Citrix is releasinghotfixes that include mitigations for this hardware issue. This iss...