Related Vulnerabilities: CVE-2016-2243

HP has identified a potential security vulnerability with the Sure Start implementation on certain 2015 commercial platforms. This vulnerability could be exploited locally by administrator or root level privileges and if compromised, the Sure Start systems could fail to recover the BIOS.

Source

Potential Security Impact:

Denial of Service (DoS)

Source: HewlettPackard Company, HP Software Security Response Team

VULNERABILITY SUMMARY

Reference Number

CVE-2016-2243
PSRT110027

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP Commercial Notebook, Desktop, and Workstation versions See the tables in the vulnerability resolution for the impacted products.

BACKGROUND

For a PGP signed version of this security bulletin please write to: hp-security-alert@hp.com

CVSS 2.0 Base Metrics

Reference	Base Vector	Base Score
CVE-2016-2243	(AV:L/AC:L/Au:N/C:P/I:C/A:P)	6.1

Information on CVSS is documented in HP Customer Notice: HPSN2008002.

RESOLUTION

HP has made the following product updates available for the impacted products. To obtain the updated firmware, go to the HP Software and Drivers page for your product and find the firmware update from the list of available software.

Series	Product name	BIOS Version	Win Softpaq
ZBook	HP ZBook 15 G3 & ZBook 17 G3	1.03	SP74756
ZBook	HP ZBook 15u G3	1.03	SP74756
ZBook	HP ZBook Studio G3	1.04	SP74757
1000 Series	HP EliteBook Folio 1040 G3	1.01	SP74768
1000 Series	HP EliteBook Folio 1012 x2 G2	1.1	SP74770
1000 Series	HP EliteBook 840 G3	1.04	SP74748
1000 Series	HP EliteBook 850 G3	1.04	SP74748
1000 Series	HP EliteBook 820 G3	1.04	SP74748
700 series	HP Elitebook 745 G3	1.08	SP74691
700 series	HP Elitebook 755 G3	1.08	SP74691
700 series	HP Elitebook 725 G3	1.08	SP74691
700 series	HP mt42 Mobile Thin Client	1.05	SP74761
800 series	HP EliteDesk 800 G2 TWR	2.09	SP74661
800 series	HP EliteDesk 800 G2 DM	2.1	SP74666
800 series	HP mp9 G2 Retail System	2.1	SP74666
800 series	HP EliteDesk 800 SFF	2.09	SP74661
800 series	HP EliteOne 800 G2 23-in T/NT	2.1	SP74680
700 series	HP EliteDesk 705 G2 MT/SFF	2.09	SP74655
700 series	HP EliteDesk 705 G2 DM	2.05	SP74677
700 series	HP EliteOne 705 G2 23in AiO T/NT	2.07	SP74686

Product name	BIOS Version	Win Softpaq	Linux Softpaq
HP Z240 Tower Workstation N51	01.11	SP74759	SP74760
HP Z240 SFF Workstation N51	01.11	SP74759	SP74760
HP Z238 Microtower Workstation N51	01.11	SP74759	SP74760

...

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, visit http://www.hp.com/go/contacthp to learn about your HP support options.

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

Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via email, visit https://h41369.www4.hp.com/alerts-signup.php?lang=en&cc=US&jumpid=hpsc_profile.

Security Bulletin Archive: To view released Security Bulletins, search the HP Support Site for "security bulletin".

Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB.

PI	HP Printing and Imaging
HF	HP Hardware and Firmware
GN	HP General Software

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: hp-security-alert@hp.com

Subject: get key

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."

REVISION HISTORY : Version:1 (rev.1) 10 February 2016 Initial release; Version:2 (rev.2) - 13 July 2017 Replaced existing boilerplate text and shortened firmware install process.

SUPPORT COMMUNICATION- SECURITY BULLETIN HPSBHF03439 rev.2 - HP Commercial PCs with Sure Start, Local Denial of Service

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