lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [day] [month] [year] [list]
Date: Tue, 24 Mar 2020 04:56:35 +0400
From: Eldar Marcussen <>
Subject: [FD] HP ThinPro - Citrix command injection

HP ThinPro - Citrix command injection

* CVE-2019-18909

CVSSv3 score
6.1 (AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)

HP - [](

Deliver secure desktop virtualization that’s as comfortable for IT as it is
for end users with the stunningly redesigned HP ThinPro. It has a bold new
user interface and workflow refinements that make it a breeze to configure,
manage, and use right out of the box.

Affected versions
 - HP ThinPro Linux 7.1
 - HP ThinPro Linux 7.0
 - HP ThinPro Linux 6.2.1
 - HP ThinPro Linux 6.2

Eldar Marcussen - xen1thLabs - Software Labs

Vulnerability summary
The Citrix receiver conection wrapper function does not safely handle user
supplied data allowing an unauthenticated attacker to use commandline
syntax to execute arbitrary commands on the device.

Technical details
The user supplied values provided for the domain portion of the login
screens for `Citrix receiver` is vulnerable to command injection, an
unauthenticated attacker can exploit this to execute commands with the
privileges of the local user.

Proof of concept
The following evidence is provided to illustrate the existence and

1. At the `Citrix receiver` login screen enter the following details:
  * username: \pwnt
  * password: pwnt
  * Domain should be empty
2. Click `Connect`
3. In the `Citrix server details` window, enter the following for domain:
   `;xterm;echo `
4. Click `Connect`
5. Observe that xterm spawns

Contact vendor for a solution

Date        | Status
19-AUG-2019 | Reported to vendor
22-NOV-2019 | Patch available
24-MAR-2020 | Public disclosure

Sent through the Full Disclosure mailing list
Web Archives & RSS:

Powered by blists - more mailing lists