HP Security Bulletin HPSBHF02865 SSRT101158 - 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. Revision 1 of this advisory.
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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.
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Bulletin, contact normal HP Services support channel. For other issues about
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