Vulnerability in Citrix Provisioning Services could result in arbitrary code execution

Severity: High

Description of Problem

A vulnerability has been identified in Citrix Provisioning Services that could result in arbitrary code execution. This vulnerability can be triggered by an attacker sending a specially crafted packet to the Provisioning Services server.

This vulnerability is present in all supported versions of Citrix Provisioning Services up to and including version 6.1.

Mitigating Factors

In a typical deployment, the vulnerable component will not be accessible from the Internet.

What Customers Should Do

This vulnerability has been addressed in a series of hotfixes for affected versions of Citrix Provisioning Services. Citrix strongly recommends that customers apply the required hotfix for their Provisioning Services deployments. These hotfixes can be found at the following locations:

Citrix Provisioning Services 6.1:

http://support.citrix.com/article/CTX133149

Citrix Provisioning Services 6.0:

http://support.citrix.com/article/CTX133148

Citrix Provisioning Services 5.6 Service Pack 3:

http://support.citrix.com/article/CTX133187

Acknowledgements

Citrix thanks an anonymous researcher, working with iDefense (http://www.idefense.com), for working with us to protect Citrix customers

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 Center at http://support.citrix.com/.

Obtaining Support on This Issue

If you require technical assistance with this issue, please contact Citrix Technical Support. Contact details for Citrix Technical Support are available at http://www.citrix.com/site/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 stating the exact version of the product in which the vulnerability was found and the steps needed to reproduce the vulnerability

This document applies to:

You can read the original Citrix article here.

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