Thursday, June 18, 2009

[THIN] Re: Vulnerability in Citrix Secure Gateway could result in Denial ofService

Hi All,

 

I have citrix secure gateway 3.0 installed, can I just run 3.1 install to upgrade or do I need to remove 3.0 before installing 3.1?

 

Thanks

 

Al

 


From: thin-bounce@freelists.org [mailto:thin-bounce@freelists.org] On Behalf Of Carl Stalhood
Sent: Thursday, 18 June 2009 10:26 PM
To: thin@freelists.org
Subject: [THIN] Vulnerability in Citrix Secure Gateway could result in Denial ofService

 

From http://support.citrix.com/article/CTX121172:

Description of Problem

A vulnerability has been identified in Citrix Secure Gateway that could result in a denial of service.

When a specific request is made to the Secure Gateway service from a remote attacker, the Secure Gateway service can be made to consume 100% of the available CPU and may refuse further connections.

This vulnerability is present in all versions of Citrix Secure Gateway up to and including version 3.1.

Please note that the Citrix Access Gateway appliance is not affected by this vulnerability when configured to act as a Citrix Secure Gateway.

What Customers Should Do

A hotfix has been released to address this issue. Citrix recommends that customers using Secure Gateway install this hotfix, which can be downloaded from the following locations:

Citrix Secure Gateway 3.1:

EN - http://support.citrix.com/article/CTX121012

JA - http://support.citrix.com/article/CTX121013

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