Potential Security Impact:

Account lockout bypass

Source: HP, HP Product Security Response Team (PSRT)

Reported by: Alexander Drabek, Logically Secure Limited

VULNERABILITY SUMMARY

A potential security vulnerability has been identified for certain HP Printers and All-in-Ones that would allow bypassing account lockout.

Reference Number

CVE-2019-18917, PSR-2019-0235

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

Please refer to the RESOLUTION section below for a list of potentially impacted products.

BACKGROUND

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

CVSS 3.0 Base Metrics

Reference	Base vector	Base score
CVE-2019-18917	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L	6.5

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

RESOLUTION

HP has provided software updates for potentially impacted printers for the products listed in the table below. To obtain the updated software solution, go to HP Software and Driver Downloads and search for your printer model.

Product name	Model number	Firmware revision
HP ENVY 5000 All-in-One Printer series	M2U85A - M2U85B M2U91A - M2U94B Z4A54A - Z4A74A	003.2008A and later
HP DeskJet Ink Advantage 5000 All-in-One Printer series	M2U86A - M2U89B	003.2008A and later

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 https://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://www.hp.com/go/alerts.

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: 16 March 2020 - Initial release

SUPPORT COMMUNICATION- SECURITY BULLETIN HPSBPI03660 rev. 1 - HP Inkjet Printers Account Lockout Issue

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