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HPESBUX03759 rev.2 - HP-UX CIFS Sever using Samba, Multiple Remote Vulnerabilities

SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: hpesbux03759en_us

Version: 2

HPESBUX03759 rev.2 - HP-UX CIFS Sever using Samba, Multiple Remote Vulnerabilities
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2017-08-03

Last Updated: 2017-08-03


Potential Security Impact: Remote: Authentication Bypass, Code Execution, Unauthorized Access

Source: Hewlett Packard Enterprise, HPE Product Security Response Team

VULNERABILITY SUMMARY

Potential security vulnerabilities have been identified in HPE HP-UX CIFS server using Samba. The vulnerabilities can be exploited remotely to allow authentication bypass, code execution, and unauthorized access.

References:
  • CVE-2017-7494 - Samba, remote code execution
  • CVE-2017-11103 - Samba, authentication bypass
  • CVE-2017-2619 - Samba, remote unauthorized access

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX Common Internet File System (CIFS), Client/Server Software For HPE CIFS SERVER B.04.05.x release up-to version B.04.05.03.00 and all versions of HPE CIFS SERVER A.03.02.xx

BACKGROUND

CVSS Version 3.0 and Version 2.0 Base Metrics
Reference
V3 Vector
V3 Base Score
V2 Vector
V2 Base Score
CVE-2017-11103
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1
(AV:N/AC:H/Au:N/C:C/I:C/A:C)
7.6
CVE-2017-2619
CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:N/A:N
4.8
(AV:N/AC:H/Au:S/C:C/I:N/A:N)
4.9
CVE-2017-7494
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
10.0
Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002

RESOLUTION

For IPF system

Please download and install HP-UX CIFS SERVER B.04.05.11.00 for HP-UX Release B.11.31 on IPF systems from the following location:

https://h20392.www2.hpe.com/portal/swdepot/displayProductInfo.do?productNumber=B8725AA

For PA-RISC system

Workaround for CVE-2017-7494

Add the below parameter to the [global] section of smb.conf file and restart smbd. This prevents clients from accessing any named pipe endpoints.

nt pipe support = no

Note: This can disable some expected functionality for Windows clients.

CVE-2017-2619 does not impact PA-RISC systems.

CVE-2017-11103 does not impact PA-RISC systems.

HISTORY
  • Version:1 (rev.1) - 9 June 2017 Initial release
  • Version:2 (rev.2) - 3 August 2017 Update according to July 2017 web release

Third Party Security Patches: Third party security patches that are to be installed on systems running Hewlett Packard Enterprise (HPE) 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, contact normal HPE Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hpe.com.

Report: To report a potential security vulnerability for any HPE supported product:

Subscribe: To initiate a subscription to receive future HPE Security Bulletin alerts via Email: http://www.hpe.com/support/Subscriber_Choice

Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://www.hpe.com/support/Security_Bulletin_Archive

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

3C = 3COM
3P = 3rd Party Software
GN = HP General Software
HF = HP Hardware and Firmware
MU = Multi-Platform Software
NS = NonStop Servers
OV = OpenVMS
PV = ProCurve
ST = Storage Software
UX = HP-UX

©Copyright 2017 Hewlett Packard Enterprise Company, L.P.
Hewlett Packard Enterprise 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 HPE nor 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 Enterprise Company and the names of Hewlett Packard Enterprise Company products referenced herein are trademarks of Hewlett Packard Enterprise 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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