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SUPPORT COMMUNICATION- SECURITY BULLETIN

Document ID: c06356322

Version: 1

HPSBPI03619 rev. 2 - Certain HP LaserJet Pro and MFP Printers, Multiple Potential Security Vulnerabilities

Notice:: The information in this security bulletin should be acted upon as soon as possible.

Release date : 03-Jun-2019

Last updated : 26-Nov-2019

Potential Security Impact:
XSS, CSRF, Potential Buffer Overflow
Reported by: Mario Rivas and Daniel Romero, NCC Group

VULNERABILITY SUMMARY
HP has identified potential security vulnerabilities with certain HP printers. The vulnerabilities could be exploited to perform Cross-site scripting (XSS), Cross-site request forgery (CSRF), or Buffer overflow attacks.
Reference Number
CVE-2019-6323, CVE-2019 -6324, CVE-2019-6325, CVE-2019-6326, CVE-2019-6327, PSR-2019-0034
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
Please refer to the RESOLUTION 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
Reference
Base vector
Base score
CVE-2019-6323
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
6.1
CVE-2019-6324
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
5.5
CVE-2019-6325
CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:H
6.8
CVE-2019-6326
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L
6.7
CVE-2019-6327
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
5.3
Information on CVSS is documented in HP Customer Notice: HPSN­2008­002.
RESOLUTION
Update firmware for impacted printers as indicated in the table below. To obtain the updated firmware, follow these steps:
note:
All product versions prior to the firmware versions listed are impacted.
  1. Go to Software and Drivers Downloads, and then click Printer.
  2. Type your printer model name, and then select the name of your printer in the list.
  3. Select Firmware from the list of categories.
  4. Click Download next to the firmware update, and then follow the on-screen prompts to finish the update.
Printer name
Model numbers
Firmware revision
HP Color LaserJet Pro M280-M281 Multifunction Printer series
T6B80A, T6B83A, T6B81A, T6B82A
20190419
HP LaserJet Pro MFP M28-M31 Printer series
W2G54A, W2G55A, Y5S53A, Y5S55A, Y5S50A, Y5S54A
20190426
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:
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: 28 May 2019 Initial release. Version 2: 3 June 2019 Updated Reported By.

HP Inc. 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 restorationThe information in this document is subject to change without notice.HP Inc. and the names of HP products referenced herein are trademarks of HP Inc. 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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