Cross-site scripting vulnerability in XenServer XenAPI HTTP Interfaces
Severity: Low
Description of Problem
A cross-site scripting vulnerability has been identified in XenServer’s XenAPI HTTP interfaces. When a specially constructed URL is sent to XenServer, the response is sent containing the requested URL without proper escaping. This could potentially be used to execute a client-side script in the browser of a user.
The vulnerability affects the following versions of Citrix XenServer:
l Citrix XenServer Express, Standard and Enterprise Edition version 4.1.0
l Citrix XenServer Dell Edition (Express and Enterprise) version 4.1.0
l HP integrated Citrix XenServer (Select and Enterprise) version 4.1.0
Customer using XenServer versions up to and including 4.0 are not affected by this vulnerability.
What Customers Should Do
A hotfix has been prepared to address this issue in all versions of the 4.1.0 product: XenServer-4.1.0-hotfix2 (2008-02).
Citrix recommends that all affected customers install this hotfix, which can be downloaded by issuing a “Check for Updates” request from the XenCenter GUI.
Acknowledgements
Citrix thanks TEPCO from Japan for working with us to protect Citrix customers and discovering this vulnerability.
What Citrix Is Doing
Citrix is notifying customers and channel partners about this potential security issue. This article is also available from the Citrix Knowledge Base at http://support.citrix.com/securitybulletins/.
Obtaining Support on this Issue
If you require technical assistance with this issue, please contact Citrix Technical Support. Information for contacting Citrix Technical Support is available at http://www.citrix.com/English/ss/supportContacts.asp.
Reporting Security Vulnerabilities to Citrix
Citrix welcomes input regarding the security of its products and considers any and all potential vulnerabilities seriously. If you would like to report a security issue to Citrix, please compose an e-mail to secure@citrix.com containing the exact version of the product in which the vulnerability was found and the steps needed to reproduce the vulnerability.
