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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01455884
Version: 1

HPSBUX02335 SSRT071454 rev.1 - HP-UX Running useradd(1M), Local Unauthorized Access

NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.

Release Date: 2008-05-19
Last Updated: 2008-05-19


Potential Security Impact: Local unauthorized access

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified HP-UX running the useradd(1M) command. The vulnerability could be exploited locally to allow unauthorized access to directories or files.

References: CVE-2008-1660

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.11.31 running the useradd(1M) command

BACKGROUND

CVSS 2.0 Base Metrics
===============================================
Reference Base Vector Base Score
CVE-2008-1660 (AV:L/AC:M/Au:S/C:C/I:C/A:N) 6.0
===============================================
Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

RESOLUTION

HP has made the following patches available to resolve this issue.
The patches are available from http://itrc.hp.com

OS Release
Patch ID

HP-UX B.11.11
PHCO_37290 or subsequent

HP-UX B.11.23
PHCO_37291 or subsequent

HP-UX B.11.31
PHCO_36953 or subsequent


The patches correct the useradd behavior for the following cases:

* The /etc/default/useradd template file is missing
* The HOMEDIR or GROUPID field is missing from the /etc/default/useradd template file

MANUAL ACTIONS: Yes
All user accounts should be verified for proper GROUPID and correct HOMEDIR entries.

PRODUCT SPECIFIC INFORMATION

HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes all Security Bulletins issued by HP and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see: https://www.hp.com/go/swa

The following text is for use by the HP-UX Software Assistant.

AFFECTED VERSIONS

HP-UX B.11.11
=============
OS-Core.ADMIN-ENG-A-MAN
OS-Core.SYS-ADMIN
action: install patch PHCO_37290 or subsequent, verify group id and home directory for all accounts
URL: http://itrc.hp.com

HP-UX B.11.23
=============
OS-Core.ADMIN-ENG-A-MAN
OS-Core.SYS-ADMIN
OS-Core.SYS2-ADMIN
action: install patch PHCO_37291 or subsequent, verify group id and home directory for all accounts
URL: http://itrc.hp.com

HP-UX B.11.31
=============
OS-Core.ADMN-ENG-A-MAN
OS-Core.SYS2-ADMIN
action: install patch PHCO_36953 or subsequent, verify group id and home directory for all accounts
URL: http://itrc.hp.com

END AFFECTED VERSIONS

HISTORY
Version:1 (rev.1) - 19 May 2008 Initial release

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 further information, contact normal HP Services support channel.

Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com
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: security-alert@hp.com
Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email:
http://h30046.www3.hp.com/driverAler...topiccode=ITRC
On the web page: ITRC security bulletins and patch sign-up
Under Step1: your ITRC security bulletins and patches
- check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems
- verify your operating system selections are checked and save.


To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php
Log in on the web page: Subscriber's choice for Business: sign-in.
On the web page: Subscriber's Choice: your profile summary - use Edit Profile to update appropriate sections.


To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do


* The Software Product Category that this Security Bulletin relates to is represented by the 5th and 6th characters of the Bulletin number in the title:

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault

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."

ęCopyright 2008 Hewlett-Packard Development Company, L.P.

Hewlett-Packard 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 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 restoration. The information in this document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein are trademarks of Hewlett-Packard 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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--
Yours truly,
HP S/W Security Team
WTEC Cupertino, California


Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com