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[security bulletin] HPESBHF03723 rev.1 - HPE Aruba ClearPass Policy Manager, using Apache Struts, Remote Code Execution Mar 29 2017 08:10PM
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Note: the current version of the following document is available here:

https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-hpesbhf
03723en_us

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: hpesbhf03723en_us

Version: 1

HPESBHF03723 rev.1 - HPE Aruba ClearPass Policy Manager, using Apache Struts,

Remote Code Execution

NOTICE: The information in this Security Bulletin should be acted upon as

soon as possible.

Release Date: 2017-03-29

Last Updated: 2017-03-29

Potential Security Impact: Remote: Code Execution

Source: Hewlett Packard Enterprise, Product Security Response Team

VULNERABILITY SUMMARY

A potential security vulnerability has been identified in HPE Aruba ClearPass

Policy Manager. The vulnerability could be remotely exploited to allow

execution of code.

**Note:** The ClearPass Policy Manager administrative Web interface is

affected by the vulnerability. ClearPass Guest, Insight, and Graphite are NOT

impacted.

References:

- CVE-2017-5638 - Apache Struts, remote code execution

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

- Aruba ClearPass Policy Manager All versions prior to 6.6.5

BACKGROUND

CVSS Base Metrics

=================

Reference, CVSS V3 Score/Vector, CVSS V2 Score/Vector

CVE-2017-5638

9.4 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

9.7 (AV:N/AC:L/Au:N/C:C/I:C/A:P)

Information on CVSS is documented in

HPE Customer Notice HPSN-2008-002 here:

https://h20564.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c013454
99

RESOLUTION

HPE Aruba has provided hotfixes for ClearPass 6.6.5, 6.6.4, and 6.5.7. Use

one of the following methods to install the appropriate hotfix:

Install the Hotfix Online Using the Software Updates Portal:

1. Open ClearPass Policy Manager and go to Administration - Agents and

Software

Updates - Software Updates.

2. In the Firmware and Patch Updates area, find the "ClearPass 6.5.7

Hotfix

Patch for CVE-2017-5638" or "ClearPass 6.6.4 Hotfix Patch for

CVE-2017-5638"

patch and click the Download button in its row.

3. Click Install.

4. When the installation is complete and the status is shown as "Needs

Restart", proceed to restart ClearPass. After reboot, the status for the

patch will be shown as Installed. The ClearPass Policy Manager version

number will not change.

Installing the hotfix Offline Using the Patch File from

support.arubanetworks.com:

1. Download the "ClearPass 6.5.7 Hotfix Patch for CVE-2017-5638" or

"ClearPass 6.6.4 Hotfix Patch for CVE-2017-5638" patch from the Support

site.

2. Open the ClearPass Policy Manager Admin UI and go to Administration -

Agents and Software Updates - Software Updates.

3. At the bottom of the Firmware and Patch Updates area, click Import

Updates

and browse to the downloaded patch file. The name and description once

imported may differ from the name and remark on the support site

as these were adjusted after posting. This is purely a cosmetic

discrepancy.

4. Click Install.

5. When the installation is complete and the status is shown as Needs

Restart,

proceed to restart ClearPass. After reboot, the status for the patch will

be shown as Installed. The ClearPass Policy Manager version number will

not change.

Workarounds

- -----------

Restrict access to the Policy Manager Admin Web Interface. This can be

accomplished by navigating to Administration - Server Manager -

Server Configuration - Server-Name - Network - Restrict Access and

only allowing non-public or network management networks.

**Note:** Please contact HPE Technical Support if any assistance is needed

acquiring the software updates.

HISTORY

Version:1 (rev.1) - 29 March 2017 Initial release

Third Party Security Patches: Third party security patches that are to be

installed on systems running Hewlett Packard Enterprise (HPE) software

products should be applied in accordance with the customer's patch management

policy.

Support: For issues about implementing the recommendations of this Security

Bulletin, contact normal HPE Services support channel. For other issues about

the content of this Security Bulletin, send e-mail to security-alert (at) hpe (dot) com. [email concealed]

Report: To report a potential security vulnerability for any HPE supported

product:

Web form: https://www.hpe.com/info/report-security-vulnerability

Email: security-alert (at) hpe (dot) com [email concealed]

Subscribe: To initiate a subscription to receive future HPE Security Bulletin

alerts via Email: http://www.hpe.com/support/Subscriber_Choice

Security Bulletin Archive: A list of recently released Security Bulletins is

available here: http://www.hpe.com/support/Security_Bulletin_Archive

Software Product Category: The Software Product Category is represented in

the title by the two characters following HPSB.

3C = 3COM

3P = 3rd Party Software

GN = HPE General Software

HF = HPE Hardware and Firmware

MU = Multi-Platform Software

NS = NonStop Servers

OV = OpenVMS

PV = ProCurve

ST = Storage Software

UX = HP-UX

Copyright 2016 Hewlett Packard Enterprise

Hewlett Packard Enterprise shall not be liable for technical or editorial

errors or omissions contained herein. The information provided is provided

"as is" without warranty of any kind. To the extent permitted by law, neither

HP or its affiliates, subcontractors or suppliers will be liable for

incidental,special or consequential damages including downtime cost; lost

profits; damages relating to the procurement of substitute products or

services; or damages for loss of data, or software restoration. The

information in this document is subject to change without notice. Hewlett

Packard Enterprise and the names of Hewlett Packard Enterprise products

referenced herein are trademarks of Hewlett Packard Enterprise in the United

States and other countries. Other product and company names mentioned herein

may be trademarks of their respective owners.

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