Related Vulnerabilities: CVE-2019-18911

HP has identified an issue affecting VNC session security within HP Device Manager that could potentially be leveraged to create unauthorized connections.

Source

Potential Security Impact:

Remote Unauthorized Access

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

VULNERABILITY SUMMARY

HP has identified an issue affecting VNC session security within HP Device Manager that could potentially be leveraged to create unauthorized connections.

Reference Number

CVE-2019-18911 , PSR-2019-0241

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP Device Manager versions 5.0 and lower

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-2019-18911	AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	8.1

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

RESOLUTION

HP is making patches for this issue available on the website.

For HP Device Manager 5.0, download and install HP Device Manager 5.0.1.

Run the HP Device Manager 5.0.1 installer to install or upgrade from an earlier HP Device Manager (HPDM) release.
Update the HPDM Agent on all managed Windows devices.
Log into the HPDM 5.0.1 Console and go to the Administration page.
Click the VNC Certificate toolbar button to open the VNC Certificate Management dialog.
Follow the dialog instructions to either import a certificate and private key or allow HPDM to generate an installation unique key pair.

note:
Imported certificates must be in PEM format and include the key usage attributes Digital Signature and Key Encipherment and the enhanced key usage attribute must include both Server Authentication and Client Authentication.
Dispatch new TLS certificates for VNC sessions to Windows managed devices using the _Apply Settings template and checking the Enable VNC option.

For customers who do not want to upgrade to HP Device Manager 5.0.1, download and extract VNCUpdate.zip. The README.DOC file contains instructions to apply the update.

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 - November 26, 2019 Initial release.

SUPPORT COMMUNICATION- SECURITY BULLETIN HPSBGN03644 rev. 1 - HP Device Manager VNC Session Remote Unauthorized Access

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