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HPSBUX03596 rev.2 - HPE HP-UX running CIFS Server (Samba), Remote Access Restriction Bypass, Unauthorized Access


Document ID: c05121842

Version: 2

HPSBUX03596 rev.2 - HPE HP-UX running CIFS Server (Samba), Remote Access Restriction Bypass, Unauthorized Access
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2017-03-08

Last Updated: 2017-03-08

Potential Security Impact: Remote: Access Restriction Bypass, Gain Unauthorized Access

Source: Hewlett Packard Enterprise, HPE Product Security Response Team


A security vulnerability in Samba was addressed by HPE HP-UX running CIFS Server (Samba). The vulnerability could be exploited resulting in remote access restriction bypass and unauthorized access.

References: CVE-2015-7560 - Vulnerability in SMB1 implementation in smbd in Samba

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.

HP-UX Common Internet File System (CIFS), Client/Server Software - CIFS-SERVER versions prior to B. on IPF system and upto B. on PA-RISC


CVSS Version 3.0 and Version 2.0 Base Metrics
V3 Vector
V3 Base Score
V2 Vector
V2 Base Score
Information on CVSS is documented in HPE Customer Notice: HPSN-2008-002


HPE has provided the following mitigation to resolve the vulnerability in the HP-UX CIFS-SERVER

For IPF system

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

For PA-RISC system

Apply either one of the following workarounds:

Workaround 1: Add the parameter: unix extensions = no to the [global] section of smb.conf and restart smbd.

Workaround 2: Prohibit the use of SMB1 by setting the parameter: server min protocol = SMB2 to the [global] section of smb.conf and restart smbd.

  • Version:1 (rev.1) - 9 May 2016 Initial release
  • Version:2 (rev.2) - 8 March 2017 Update after release of new version

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

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:

Security Bulletin Archive: A list of recently released Security Bulletins is available here:

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

©Copyright 2018 Hewlett Packard Enterprise Development LP
Hewlett Packard Enterprise Development 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 Development and the names of Hewlett Packard Enterprise Development products referenced herein are trademarks of Hewlett Packard Enterprise Development 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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Document title: HPSBUX03596 rev.2 - HPE HP-UX running CIFS Server (Samba), Remote Access Restriction Bypass, Unauthorized Access
Document ID: emr_na-c05121842-1
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