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             AUSCERT External Security Bulletin Redistribution

                         ESB-2008.0058 -- [HP-UX]
       HP-UX Running X Font Server (xfs) Software, Remote Execution
                             of Arbitrary Code
                              16 January 2008

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

Product:              X Font Server (xfs) 
Publisher:            Hewlett-Packard
Operating System:     HP-UX
Impact:               Execute Arbitrary Code/Commands
Access:               Remote/Unauthenticated
CVE Names:            CVE-2007-4990

Ref:                  ESB-2007.0778

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01323725
Version: 1

HPSBUX02303 SSRT071468 rev.1 - HP-UX Running X Font Server (xfs) Software, 
Remote Execution of Arbitrary Code

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

Release Date: 2008-01-14
Last Updated: 2008-01-14

Potential Security Impact: Remote execution of arbitrary code 

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX running 
the X Font Server (xfs). The vulnerability could be exploited remotely to 
execute arbitrary code.

References: CVE-2007-4990 

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.11.31 running the X Font Server (xfs). 

BACKGROUND
 
RESOLUTION
HP has provided the following software patches to resolve the vulnerability. 
The patches are available for download from: http://itrc.hp.com 

HP-UX B.11.11
 PHSS_37224 or subsequent
 
HP-UX B.11.23
 PHSS_37225 or subsequent
 
HP-UX B.11.31
 PHSS_37226 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 
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 
============== 
X11.X11-FONTSRV 
action: install PHSS_37224 or subsequent 
URL: http://itrc.hp.com 

HP-UX B.11.23 
============== 
X11.X11-FONTSRV 
action: install PHSS_37225 or subsequent 
URL: http://itrc.hp.com 

HP-UX B.11.31 
============== 
X11.X11-FONTSRV 
action: install PHSS_37226 or subsequent 
URL: http://itrc.hp.com 

END AFFECTED VERSIONS

HISTORY 
Version 1 (rev.1) - 14 January 2008 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 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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===========================================================================
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The University of Queensland
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Qld 4072

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