Message-Id: <20170810203039.6230774@g9t2301.houston.hpecorp.net>
Date: 10 Aug 2017 20:30:40 +0000
From: security-alert@....com
To: undisclosed-recipients: ;
Subject: [security bulletin] HPESB3P03762 rev.1 - HPE C Switch Software
 using Cisco Prime Data Center Network Manager (DCNM), Remote Code Execution

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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-hpesb3p03762en_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-c01345499

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@....com.

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@....com

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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