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[security bulletin] HPESB3P03762 rev.1 - HPE C Switch Software using Cisco Prime Data Center Network Manager (DCNM), Remote Code Execution Aug 10 2017 08:30PM
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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-hpesb3p
03762en_us

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: hpesb3p03762en_us

Version: 1

HPESB3P03762 rev.1 - HPE C Switch Software using Cisco Prime Data Center

Network Manager (DCNM), Remote Code Execution

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

soon as possible.

Release Date: 2017-08-10

Last Updated: 2017-08-10

Potential Security Impact: Remote: Code Execution

Source: Hewlett Packard Enterprise, Product Security Response Team

VULNERABILITY SUMMARY

HPE StoreFabric C-series Switch Software uses Ciscos Prime Data Center

Network Manager (DCNM). Cisco has identified a remote code execution

vulnerability in two versions of Cisco Prime Data Center Network Manager

(DCNM) which HPE had included for download for customers under contract from

the HPE Support Center. The affected versions of DCNM are 10.1(1) and

10.1(2). HPE bundled these DCNM versions with the following MDS and Nexus

firmware downloads:

* MDS 7.3(0)DY(1), released February 2017

* MDS 7.3(1)DY(1), released April 2017

* Nexus 5.2(1)N1(9b), released May 2017

**Note:** A vulnerability in the role-based access control (RBAC)

functionality of Cisco Prime Data Center Network Manager (DCNM) could allow

an unauthenticated, remote attacker to access sensitive information or

execute arbitrary code with root privileges on an affected system. The

vulnerability is due to the lack of authentication and authorization

mechanisms for a debugging tool that was inadvertently enabled in the

affected software. An attacker could exploit this vulnerability by remotely

connecting to the debugging tool via TCP. A successful exploit could allow

the attacker to access sensitive information about the affected software or

execute arbitrary code with root privileges on the affected system.

References:

- CVE-2017-6639

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

- HP C-series Switch Software Data Center Network Manager Version 10.1(1),

10.1(2)

BACKGROUND

CVSS Base Metrics

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

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

CVE-2017-6639

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

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

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

There are no workarounds that address this vulnerability. Cisco has released

software updates that address this vulnerability with DCNM 10.2(1). HPE has

made the updates available to customers under contract through HPE Support

Center:

* <http://www.hpe.com/support/hpesc>

**It is essential that all HPE customers who had previously downloaded any of

the firmware and DCNM packages above download again with the updated packages

from the HPE Support Center.** All packages have been updated to include DCNM

10.2(1), and they are listed here:

* MDS 7.3(0)DY(1), released June 2017

* MDS 7.3(1)DY(1), released June 2017

* Nexus 5.2(1)N1(9b), released June 2017

HISTORY

Version:1 (rev.1) - 11 August 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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