Citrix Access Gateway Logon Portal Cross-Site Scripting Vulnerability

Bugtraq ID:	49294
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Aug 23 2011 12:00AM
Updated:	Aug 23 2011 12:00AM
Credit:	The vendor reported this issue.
Vulnerable:	Citrix Access Gateway Enterprise Edition 9.2-49.8 Citrix Access Gateway Enterprise Edition 9.2 Citrix Access Gateway Enterprise Edition 9.1.100.3 Citrix Access Gateway Enterprise Edition 9.1 build 96.4 Citrix Access Gateway Enterprise Edition 9.1 Citrix Access Gateway Enterprise Edition 9.1 Citrix Access Gateway Enterprise Edition 9.0 build 70.5 Citrix Access Gateway Enterprise Edition 9.0 Citrix Access Gateway Enterprise Edition 9.0
Not Vulnerable:	Citrix Access Gateway Enterprise Edition 9.2-50.4

Citrix Access Gateway Logon Portal Cross-Site Scripting Vulnerability

The Citrix Access Gateway is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This may help the attacker steal cookie-based authentication credentials and launch other attacks.

Citrix Access Gateway Enterprise Edition versions 9.2-49.8 and prior are vulnerable.

Citrix Access Gateway Logon Portal Cross-Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting user to follow a malicious URI.

Citrix Access Gateway Logon Portal Cross-Site Scripting Vulnerability

Solution:
Vendor updates are available. Please see the references for more information.

Citrix Access Gateway Logon Portal Cross-Site Scripting Vulnerability

References:

• Citrix Homepage (Citrix)
  
• Cross Site Scripting vulnerability in Citrix Access Gateway Enterprise Edition L (Citrix)