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[security bulletin] HPSBGN02319 SSRT080027 rev.1 - HP Compaq Notebook PC BIOS, Local Unauthorized Access



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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01393763
Version: 1

HPSBGN02319 SSRT080027 rev.1 - HP Compaq Notebook PC BIOS, Local Unauthorized 
Access

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

Release Date: 2008-03-27
Last Updated: 2008-03-27


Potential Security Impact: Local Unauthorized Access 

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP Compaq Notebook 
PC BIOS. The vulnerability could be exploited to allow local unauthorized users 
access to the system. 

References: CVE-2008-0706 

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
Compaq Presario C700 Notebook, HP G7000 Notebook and Compaq Presario A900 
Notebook using BIOS versions F.26 and earlier

BACKGROUND 

CVSS 2.0 Base Metrics 
Reference              Base Vector                       Base Score
CVE-2008-0706  (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

Note: This vulnerability only affects customers who use power-on password. 
However, HP strongly recommends that all customers update to the latest System 
BIOS version. 

RESOLUTION
HP has provided BIOS F.31 or later to resolve this vulnerability. BIOS F.31 is 
available in SoftPaq SP38646. 

To install the latest version of the BIOS, follow the instructions below. 
Printing the instructions prior to the installation is recommended.

1. Open a web browser and visit http://www.hp.com 

2. Click on the link for HP Software & Drivers downloads web site

3. On the Support & Drivers page, type the model number in the Search field and 
then press Enter. 

4. Select the operating system currently installed on the notebook. 

5. In the BIOS section, click WinFlash for HP Notebook System BIOS. The version 
should be listed as BIOS F.31 or a later version. 

6. Click the Download only button on the page to begin the download of the BIOS 
update. Save the file to a convenient folder on the PC. 

7. Double-click the downloaded file to start the installation. Follow all 
prompts and restart the notebook when requested by the installation. Do not 
turn off the notebook until prompted to do so. 

Note: It is recommended that the notebook PC use an AC adapter and be connected 
to the Internet with an Ethernet cable because interruptions in power or 
wireless connections may result in the download failing to install.

PRODUCT SPECIFIC INFORMATION 
None 

HISTORY 
Version: 1 (rev.1) - 27 March 2008 Initial release 

Support: For further information, contact normal HP Services support channel.

Report: To report a potential security vulnerability with any HP supported 
product, send Email to: security-alert@xxxxxx 
It is strongly recommended that security related information being communicated 
to HP be encrypted using PGP, especially exploit information. 
To get the security-alert PGP key, please send an e-mail message as follows:
  To: security-alert@xxxxxx 
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins 
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http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC
 
On the web page: ITRC security bulletins and patch sign-up 
Under Step1: your ITRC security bulletins and patches 
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To review previously published Security Bulletins visit: 
http://www.itrc.hp.com/service/cki/secBullArchive.do 


* The Software Product Category that this Security Bulletin relates to is 
represented by the 5th and 6th characters of the Bulletin number in the title: 

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
 X = HP-UX
VV = HP VirtualVault


System management and security procedures must be reviewed frequently to 
maintain system integrity. HP is continually reviewing and enhancing the 
security features of software products to provide customers with current secure 
solutions.


"HP is broadly distributing this Security Bulletin in order to bring to the 
attention of users of the affected HP products the important security 
information contained in this Bulletin. HP recommends that all users determine 
the applicability of this information to their individual situations and take 
appropriate action. HP does not warrant that this information is necessarily 
accurate or complete for all user situations and, consequently, HP will not be 
responsible for any damages resulting from user's use or disregard of the 
information provided in this Bulletin. To the extent permitted by law, HP 
disclaims all warranties, either express or implied, including the warranties 
of merchantability and fitness for a particular purpose, title and 
non-infringement."

©Copyright 2008 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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