2X ThinClientServer Lets Remote Users Gain Administrative Access
SecurityTracker Alert ID: 1017350|
SecurityTracker URL: http://securitytracker.com/id/1017350
(Links to External Site)
Date: Dec 7 2006
Execution of arbitrary code via network, User access via network|
Fix Available: Yes Vendor Confirmed: Yes |
Version(s): prior to 4.0|
A vulnerability was reported in 2X ThinClientServer. A remote user can gain administrative access to the target application.|
A remote user can send a specially crafted request to create an administrative account on the target application. No authentication is required.
Version 4.0 is not affected.
Oliver Karow of Symantec Vulnerability Research discovered this vulnerability.
A remote user can execute arbitrary code on the target system.|
The vendor has issued a fixed version (4.0.2248).|
[Editor's note: Version 4.x is not affected, however, the vendor recommends that version 3.x users upgrade to the latest build of the 4.x version.]
Vendor URL: www.2x.com/thinclientserver/ (Links to External Site)
|Underlying OS: Linux (Any), Windows (Any)|
Source Message Contents
Subject: SYMSA-2006-012: 2X ThinClientServer Create Admin Account Replay|
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Symantec Vulnerability Research
Advisory ID: SYMSA-2006-012
Advisory Title: 2X ThinClientServer Create Admin Account Replay Vulnerability
Author: Oliver Karow / firstname.lastname@example.org
Release Date: 12-04-2006
Application: 2X ThinClientServer Enterprise Edition v3_sp2-r1865
Platform: Windows / Linux
Severity: Remotely exploitable / Administrator Access
Vendor status: Verified by vendor. Resolved in ThinClientServer 4.0.2248
CVE Number: CVE-2006-6221
From vendor's website:
"2X ThinClientServer provides a complete solution for the central
deployment, configuration and management of thin clients, and
provides load balancing and redundancy of terminal servers."
It is possible to create administrative user accounts for the application,
During the installation procedure, an administrative user account
for the application is created. Sending the same request with a different
username, after the installation is completed, creates an additional administrative
account. The account can be created remotely and authentication is not required.
The above vulnerability is fixed and applicable to the following versions:
- - ThinClientServer 4.0
Users of ThinClientServer Version 4 are unaffected by this issue.
- - ThinClientServer 3.0
Please Upgrade your machine to Version 4.0.2248 or higher and deploy
the new ThinClientOS 4.0 on your network to resolve this issue. This can be
done by uploading the new image zip file in the Management Console and setting
it as the new default image for your ThinClients.
Customers who have prior versions of ThinClientServer are requested to upgrade
to at least 4.0.2248 version.
Upgrade to Version 4.0.2248 or higher to solve the issue.
Common Vulnerabilities and Exposures (CVE) Information:
The Common Vulnerabilities and Exposures (CVE) project has assigned
the following names to these issues. These are candidates for
inclusion in the CVE list (http://cve.mitre.org), which standardizes
names for security problems.
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