Message-Id: <20130423185854.1A2E2203F0@security.hp.com>
Date: Tue, 23 Apr 2013 14:58:54 -0400 (EDT)
From: security-alert@...com
To: bugtraq@...urityfocus.com
Subject: [security bulletin] HPSBHF02865 SSRT101158 rev.1 - HP ElitePad 900, Secure Boot Configuration Inconsistency

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Note: the current version of the following document is available here:
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/
docDisplay?docId=emr_na-c03727435

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c03727435
Version: 1

HPSBHF02865 SSRT101158 rev.1 - HP ElitePad 900, Secure Boot Configuration
Inconsistency

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

Release Date: 2013-04-23
Last Updated: 2013-04-23

Potential Security Impact: Secure Boot configuration inconsistency

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

VULNERABILITY SUMMARY
A potential vulnerability has been identified with certain HP ElitePad tablet
PCs. The secure boot feature of the BIOS may not be enabled, allowing
alternate operating systems to be booted in contradiction with the BIOS
configuration. Secure Boot is a feature that, when enabled, prevents the
system firmware from booting to unauthorized boot loaders, option ROMs and
operating systems that can run in the pre-boot environment.

References: CVE-2012-5218

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP ElitePad 900 with BIOS version vF.00

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2012-5218    (AV:L/AC:L/Au:N/C:C/I:C/A:C)       7.2
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

To resolve this vulnerability, HP has provided a BIOS firmware update. HP
recommends that BIOS version vF.01 or later be installed on all HP ElitePad
900 systems and that Secure Boot be enabled.

HP ElitePad 900 BIOS version vF.01 is available from hp.com .

Select "Support & Drivers"
Select Drivers and Software, then enter "ElitePad 900" as the model number
Select the correct model number
Select the Operating System running on the ElitePad
- From the product support page, download and install the "HP ElitePad 900
Driver and Firmware Update" v1.0.0.8 or later.

Note: After the BIOS is updated, additional secure boot configuration steps
are needed

Go to Control Panel
Select HP BIOS Settings
Select "Secure Boot" to enable this feature.

HISTORY
Version:1 (rev.1) - 23 April 2013 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@...com.

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

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Security Bulletin List: A list of HP Security Bulletins, updated
periodically, is contained in HP Security Notice HPSN-2011-001:
https://h20566.www2.hp.com/portal/site/hpsc/public/kb/
docDisplay?docId=emr_na-c02964430

Security Bulletin Archive: A list of recently released Security Bulletins is
available here:
http://h20566.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 2013 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.
Hewlett-Packard Company and the names of Hewlett-Packard products referenced
herein are trademarks of Hewlett-Packard Company 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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