Citrix Releases Patches for Critical ADC Vulnerability Under Active Attack

Citrix has finally started rolling out security patches for a critical vulnerability in ADC and Gateway software that attackers started exploiting in the wild earlier this month after the company announced the existence of the issue without releasing any permanent fix. I wish I could say, "better...

Imperva Mitigates Exploits of Citrix Vulnerability – Right Out of the Box

On December 17, Citrix issued a Security Bulletin on an unauthenticated remote code execution vulnerability CVE-2019-19781 affecting its Citrix Application Delivery Controller ADC - formerly known as NetScaler ADC - and its Citrix Gateway - formerly known as NetScaler Gateway. At the time of the...

Threatpost Poll: Are Published PoC Exploits a Good or Bad Idea?

The practice of disclosing proof-of-concept PoC exploits has long caused a debate in the security community. As the name suggests, these outline steps used to exploit a vulnerability in a system to show how it can be done — and are used to test networks and pinpoint vulnerable aspects of a system...

User Profile Management and Microsoft Store Apps (UWP Apps)

When a user installs an app from the Microsoft Store UWP app onto a Windows 10 VDA with Citrix Profile Management, after a logoff and logon, the application does not persist and must be reinstalled...

Citrix Adds SD-WAN WANOP, Updated Mitigations to CVE-2019-19781 Advisory

Citrix has released an article with updates on CVE-2019-19781, a vulnerability affecting Citrix Application Delivery Controller ADC and Citrix Gateway. This vulnerability also affects Citrix SD-WAN WANOP product versions 10.2.6 and version 11.0.3. The article includes updated mitigations for Citr...

Shift + F11 hotkey not working on Citrix receiver. Unable to minimize published desktops

Previously users may have been used to pressing Shift + F11 to minimise their desktop. Users find this shortcut no longer works...

Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal Exploit

Exploit for multiple platform in category web applications Exploit Title: Citrix Application Delivery Controller ADC and Gateway 13.0 - Path Traversal CVE: CVE-2019-19781 Vulenrability: Path Traversal Vulnerablity Discovery: Mikhail Klyuchnikov Exploit Author: Dhiraj Mishra Vulnerable Version:...

Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal

Citrix Application Delivery Controller ADC and Gateway 13.0 - Path Traversal Exploit Title: Citrix Application Delivery Controller ADC and Gateway 13.0 - Path Traversal Date: 2019-12-17 CVE: CVE-2019-19781 Vulenrability: Path Traversal Vulnerablity Discovery: Mikhail Klyuchnikov Exploit Author:...

VulnCheck KEV: CVE-2019-19781

Citrix ADC, Citrix Gateway, and multiple Citrix SD-WAN WANOP appliance models contain an unspecified vulnerability that could allow an unauthenticated attacker to perform code execution...

Citrix ADC / Gateway Path Traversal

Exploit Title: Path Traversal in Citrix Application Delivery Controller ADC and Gateway. Date: 17-12-2019 CVE: CVE-2019-19781 Vulenrability: Path Traversal Vulnerablity Discovery: Mikhail Klyuchnikov Exploit Author: Dhiraj Mishra Vulnerable Version: 10.5, 11.1, 12.0, 12.1, and 13.0 Vendor Homepag...

Citrix Application Delivery Controller (ADC) and Gateway 13.0 - Path Traversal

Exploit Title: Citrix Application Delivery Controller ADC and Gateway 13.0 - Path Traversal Date: 2019-12-17 CVE: CVE-2019-19781 Vulenrability: Path Traversal Vulnerablity Discovery: Mikhail Klyuchnikov Exploit Author: Dhiraj Mishra Vulnerable Version: 10.5, 11.1, 12.0, 12.1, and 13.0 Vendor...

Exploit for Path Traversal in Citrix Application_Delivery_Controller_Firmware

CVE-2019-19781IOCs IOCs for CVE-2019-19781 citrixhoneypotnsl...

Virtual Desktop Infrastructure (VDI) – Risks and Solutions

Leverage the benefits of VDI without opening yourself to security risk. Guardicore provides user access management and microsegmentation for Citrix...

New Snort rules protect against recently discovered Citrix vulnerability

By Edmund Brumaghin, with contributions from Dalton Schaadt. Executive Summary Recently, the details of a critical vulnerability affecting Citrix Application Delivery Controller and Citrix Gateway servers were publicly disclosed. This vulnerability is currently being tracked using CVE-2019-19781....

FreeBSD : Template::Toolkit -- Directory traversal on write (2bab995f-36d4-11ea-9dad-002590acae31)

Art Manion and Will Dormann report : By using an older and less-secure form of open, it is possible for untrusted template files to cause reads/writes outside of the template directories. This vulnerability is a component of the recent Citrix exploit. C Tenable Network Security, Inc. The...

Exploit for Improper Certificate Validation in Microsoft

CVE-2020-0601 Remote...

Citrix ADC (NetScaler) Directory Traversal RCE

This module exploits a directory traversal in Citrix Application Delivery Controller ADC, aka NetScaler, and Gateway 10.5, 11.1, 12.0, 12.1, and 13.0, to execute an arbitrary command payload...

Citrix ADC (NetScaler) Directory Traversal / Remote Code Execution

This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Citrix ADC NetScaler Directory Traversal RCE', 'Description' = %q This module exploits a directory traversal in Citrix Application Delivery...

Unable to launch virtual application/desktop using Workspace app for HTML5

When launching a virtual application/desktop using the Citrix Workspace app for HTML5, there is a silent failure to launch...

Unpatched Citrix Flaw Now Has PoC Exploits

Proof-of-concept PoC exploit code has been released for an unpatched remote-code-execution vulnerability in the Citrix Application Delivery Controller ADC and Citrix Gateway products. The vulnerability CVE-2019-19781, which Threatpost reported on in December, already packs a double-punch in terms...