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             AUSCERT External Security Bulletin Redistribution

                         ESB-2007.0464 -- [HP-UX]
           HP-UX Running Xserver, Local Denial of Service (DoS)
                               26 June 2007

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Xserver
Publisher:            Hewlett-Packard
Operating System:     HP-UX
Impact:               Denial of Service
Access:               Existing Account
CVE Names:            CVE-2006-6103 CVE-2006-6102 CVE-2006-6101

Ref:                  ESB-2007.0015

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01075678
Version: 1

HPSBUX02225 SSRT071295 rev.1 - HP-UX Running Xserver, Local Denial of Service (DoS)

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

Release Date: 2007-06-12
Last Updated: 2007-06-12


Potential Security Impact: Local Denial of Service (DoS) 

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

VULNERABILITY SUMMARY
Potential security vulnerabilities have been identified with HP-UX running Xserver. These vulnerabilities could be exploited by a local user to create a Denial of Service (DoS). 

References: CVE-2006-6101, CVE-2006-6102, CVE-2006-6103 

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.1131 running Xserver 

BACKGROUND

AFFECTED VERSIONS 

To determine if an HP-UX system has an affected version, search the output of "swlist -a revision -l fileset" for an affected fileset. Then determine if the recommended patch or update is installed. 

HP-UX B.11.11 
============= 
Xserver.X11-SERV 
action: install PHSS_34389 or subsequent 

HP-UX B.11.23 
============= 
Xserver.X11-SERV 
Xserver.OEM-SERVER 
action: install PHSS_36452 or subsequent 

HP-UX B.11.31 
============= 
Xserver.X11-SERV 
Xserver.OEM-SERVER 
action: install PHSS_36123 or subsequent 

END AFFECTED VERSIONS 

RESOLUTION

HP has made the following patches available to resolve the vulnerabilities. These patches can be downloaded from http://itrc.hp.com 

HP-UX B.11.11 - PHSS_34389 or subsequent
 
HP-UX B.11.23 - PHSS_36452 or subsequent
 
HP-UX B.11.31 - PHSS_36123 or subsequent
 

MANUAL ACTIONS: No 

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 HP-issued Security Bulletins 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 

HISTORY 
Version: 1 (rev.1) - 12 June 2007 Initial release 

Third Party Security Patches: Third party security patches which 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/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 
  - 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 2007 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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
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