[security bulletin] HPSBUX02366 SSRT080120 rev.2 - HPUX Running useradd(1M), Local Unauthorized Access

[security-alert@xxxxxx]

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01539431
Version: 2

HPSBUX02366 SSRT080120 rev.2 - HPUX Running useradd(1M), Local Unauthorized 
Access

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

Release Date: 2009-04-27
Last Updated: 2009-05-07

Potential Security Impact: Local unauthorized access

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

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

References: CVE-2009-0719

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-2009-0719      (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 vulnerability. 
The patches are available from http://itrc.hp.com 

HP-UX Release 
 Patch ID 
 
B.11.11 (11i v1)
 PHCO_38492 or subsequent
 
B.11.23 (11i v2)
 PHCO_38491 or subsequent
 
B.11.31 (11i v3)
 PHCO_38547 or subsequent
 
The incorrect use of certain useradd(1M) options can result in corruption of 
the /etc/default/useradd template file. 
The corrupt /etc/default/useradd template file can cause accounts to be created 
with incorrect ownership and permissions. 
The patches insure that useradd(1M) options are processed correctly in all 
cases. 

MANUAL ACTIONS: Yes - NonUpdate 

Verify group id and home directory for all accounts 

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.SYS-ADMIN 
action: install PHCO_38492 or subsequent, verify group id and home directory 
for all accounts 
URL: http://itrc.hp.com 

HP-UX B.11.23 
============= 
OS-Core.SYS-ADMIN 
OS-Core.SYS2-ADMIN 
action: install PHCO_38491 or subsequent, verify group id and home directory 
for all accounts 
URL: http://itrc.hp.com 

HP-UX B.11.31 
============= 
OS-Core.SYS2-ADMIN 
action: install PHCO_38547 or subsequent, verify group id and home directory 
for all accounts 
URL: http://itrc.hp.com 

END AFFECTED VERSIONS 

HISTORY 
Version:1 (rev.1) - 27 April 2009 Initial release 
Version:2 (rev.2) - 7 May 2009 Correct patch IDs 

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@xxxxxx 
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@xxxxxx 
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins 
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http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC
 
On the web page: ITRC security bulletins and patch sign-up 
Under Step1: your ITRC security bulletins and patches 
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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."

©Copyright 2009 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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