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ESB-2005.0997 -- [HP-UX] -- SSRT051026 rev. 2 - HP-UX running WBEM Services Denial of Service (DoS)
Date: 20 November 2006
Original URL: http://www.auscert.org.au/render.html?cid=1980&it=5853

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             AUSCERT External Security Bulletin Redistribution

                         ESB-2005.0997 -- [HP-UX]
  SSRT051026 rev. 1 - HP-UX running WBEM Services Denial of Service (DoS)
                             21 November 2006

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

Product:              WBEM Services
Publisher:            Hewlett-Packard
Operating System:     HP-UX B.11.00, B.11.11, B.11.23
Impact:               Denial of Service
Access:               Remote/Unauthenticated

Revision History:     November 21 2006: Added B.11.00 patch
                      December 20 2005: Initial Release

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c00582373
Version: 2

HPSBMA02088 SSRT051026 rev. 2 - HP-UX running WBEM Services Denial of
Service (DoS)

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

Release Date: 2005-12-16
Last Updated: 2006-11-13

Potential Security Impact: Remote Denial of Service (DoS)

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

VULNERABILITY SUMMARY
A potential vulnerability has been identified with HP-UX systems running
WBEM Services. The vulnerability could be exploited remotely to create a
Denial of Service (DoS).

References: none

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.23 only

BACKGROUND

A vulnerability in WBEM Services allows a remote user to create a Denial
of Service (DoS) attack.
There are no reported attacks based on this vulnerability.

To determine if a system has an affected version, search
the output of "swlist -a revision -l fileset" for an affected fileset
or patch, then determine if a fixed revision or applicable patch is
installed.

AFFECTED VERSIONS

 -> HP-UX B.11.00
===========
WBEMServices.WBEM-CORE
 -> action: install PHSS_32738 or subsequent

HP-UX B.11.11
HP-UX B.11.23
===========
WBEMServices.WBEM-CORE
action:install revision A.02.00.08 or subsequent

END AFFECTED VERSIONS

RESOLUTION

HP is providing the following HP WBEM Services for HP-UX updates to
resolve this potential vulnerability.

Users of HP WBEM Services for HP-UX 1.5 on HP-UX B.11.11 and B.11.23 are
encouraged to upgrade to HP WBEM Services for HP-UX 2.0. These upgrades
are available from http://h20293.www2.hp.com .

 -> Users of HP WBEM Services for HP-UX 1.5 on HP-UX B.11.00 should
retrieve retrive patch PHSS_32738
 -> from http://itrc.hp.com

MANUAL ACTIONS: Yes - Update

HP-UX B.11.00 install PHSS_32738 or subsequent

HP-UX B.11.11 update to HP WBEM Services for HP-UX 2.0 or subsequent

HP-UX B.11.23 update to HP WBEM Services for HP-UX 2.0 or subsequent

PRODUCT SPECIFIC INFORMATION
HP-UX Security Patch Check: Security Patch Check revision B.02.00
analyzes all HP-issued Security Bulletins to provide a subset of
recommended actions that potentially affect a specific HP-UX system. For
more information:
http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/displayProduct
Info.pl?productNumber=B6834AA

HISTORY:

Version: 1 (rev.1) - 15 December 2005 Initial release
Version: 2 (rev.2) - 13 November 2006 Added B.11.00 patch

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."

(c)Copyright 2006 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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        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
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