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[security bulletin] HPSBST03129 rev.1 - HP StoreFabric B-series switches running Bash Shell, Remote Code Execution



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Note: the current version of the following document is available here:
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docDisplay?docId=emr_na-c04478866

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c04478866
Version: 1

HPSBST03129 rev.1 - HP StoreFabric B-series switches running Bash Shell,
Remote Code Execution

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

Release Date: 2014-10-16
Last Updated: 2014-10-16

Potential Security Impact: Remote code execution

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP StoreFabric
B-series switches running Bash Shell. This is the Bash Shell vulnerability
known as "ShellShock" which could be exploited remotely to allow execution of
code.

References:

  CVE-2014-6271
  CVE-2014-6277
  CVE-2014-6278
  CVE-2014-7169
  CVE-2014-7186
  CVE-2014-7187
  SSRT101747

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
All HP StoreFabric B-series switches

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2014-6271    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2014-6277    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2014-6278    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2014-7169    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2014-7186    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
CVE-2014-7187    (AV:N/AC:L/Au:N/C:C/I:C/A:C)       10.0
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has released the following software updates to resolve the vulnerability
in HP StoreFabric B-series switches running Bash Shell.

  Note: HP and the switch vendor recommend running an active version of
Fabric OS (FOS) listed on the HP Single Point of Connectivity Knowledge
(SPOCK) website ( http://h20272.www2.hp.com/ ) and applying the work-around
information provided in the MITIGATION INFORMATION section below to protect
HP StoreFabric B-series switches from this vulnerability.

  Fabric OS (FOS) v7.3.0b (This version will be available soon and this
bulletin will revised at that time)

  The following focused fix FOS versions are available for the previously
released versions and have been renamed to include an additional hexadecimal
character appended to the FOS version on which it is based:

    FOS v7.2.1c1
    FOS v7.2.0d6
    FOS v7.1.2b1
    FOS v7.1.1c1
    FOS v7.1.0cb
    FOS v7.0.2e1
    FOS v7.0.0d1
    FOS v6.4.3f3
    FOS v6.4.2a3
    FOS v6.2.2f9

MITIGATION INFORMATION

  HP recommends the following steps to reduce the risk of this vulnerability:

    - Place the HP StoreFabric SAN switch and other data center critical
infrastructure behind a firewall to disallow access from the Internet.
    - Change all HP StoreFabric switch default account passwords, including
the root passwords, from the default factory passwords.
    - Examine the list of accounts, including ones on the switch and those
existing on remote authentication servers such as RADIUS, LDAP, and TACAS+,
to ensure only necessary personnel can gain access to HP StoreFabric FOS
switches. Delete guest accounts and temporary accounts created for one-time
usage needs.
    - Utilize FOS password policy management to strengthen the complexity,
age, and history requirements of switch account passwords.

HISTORY
Version:1 (rev.1) - 16 October 2014 Initial release

Third Party Security Patches: Third party security patches that are to be
installed on systems running HP 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 HP Services support channel.  For other issues about
the content of this Security Bulletin, send e-mail to security-alert@xxxxxx.

Report: To report a potential security vulnerability with any HP supported
product, send Email to: security-alert@xxxxxx

Subscribe: To initiate a subscription to receive future HP Security Bulletin
alerts via Email:
http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins

Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
https://h20564.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/

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 = HP General Software
HF = HP Hardware and Firmware
MP = MPE/iX
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PI = Printing and Imaging
PV = ProCurve
ST = Storage Software
TU = Tru64 UNIX
UX = HP-UX

Copyright 2014 Hewlett-Packard Development Company, L.P.
Hewlett-Packard Company 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.
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herein are trademarks of Hewlett-Packard Company in the United States and
other countries. Other product and company names mentioned herein may be
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