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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."
©Copyright 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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===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
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