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ESB-2005.0604 -- HP Security Bulletin HPSBNS01213 -- SSRT051002 rev.0 - HP NonStop Server DCE Core Services remote Denial of Service (DoS)

Date: 02 August 2005

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             AUSCERT External Security Bulletin Redistribution

             ESB-2005.0604 -- HP Security Bulletin HPSBNS01213
          SSRT051002 rev.0 - HP NonStop Server DCE Core Services
                      remote Denial of Service (DoS)
                               2 August 2005


        AusCERT Security Bulletin Summary

Product:           HP NonStop Server T8403 DCE Core Services
Publisher:         Hewlett-Packard
Operating System:  NonStop kernel 6.x
Impact:            Denial of Service
Access:            Remote/Unauthenticated

- --------------------------BEGIN INCLUDED TEXT--------------------


SSRT051002 rev.0 - HP NonStop Server DCE Core Services remote Denial of
Service (DoS)

There are no restrictions for distribution of this Security Bulletin
provided that it remains complete and intact.
The information in this Security Bulletin should be acted upon as soon
as possible.

28 July 2005 

Remote Denial of Service (DoS)

Hewlett-Packard Company
HP Software Security Response Team

A potential security vulnerability has been identified with
HP NonStop Server running T8403 DCE Core Services which
could result in a remote Denial of Service (DoS).

HOTSTUFF HS02885 OPN T8403 AAA-ABH DCE Core Services

SUPPORTED SOFTWARE VERSIONS*:  ONLY impacted versions are listed.
HP NonStop Server running T8403 DCE CORE SERVICES
Revision ABH or earlier on G06.14 through G06.26

For a PGP signed version of this bulletin,
please write to

The HP NonStop Server DCE Core Services run
a DCE daemon (DCED) as part of their Distributed
Computing Environment (DCE).

Malformed request packets from non-DCE clients might
cause the DCED to fail. If the DCED fails, a DCE-based
application may need to be restarted.

  Install the SPR: T8403G06 ABJ (DCE Core Services)

  Requisite SPRs:
      T8329G06 ABJ (DCE Security Core Services Ð U)
      T8330G06 ABJ (DCE Cell Directory Server)
  Superseded SPRs:

  RVU containing final fix:  G06.27

  Installation Impact:  None

  Note: The following Workaround can be done until
            the above SPR updates are installed ...

    Restart DCED.     
    If the environment variable DCE_SOCKET_REUSE
    is not set in the environment where DCED
    is being restarted, the user must restart
    the DCE applications that contact this DCED.

Revision 0 - 25 July 2005
    Initial Release

SUPPORT: For further information, contact normal HP Services support

REPORT: To report a potential security vulnerability with any HP supported
product, send Email to: It is strongly recommended
that security related information being communicated to HP be encrypted
using PGP, especially exploit information. To obtain the security-alert
PGP key please send an e-mail message to with the
Subject of 'get key' (no quotes).

SUBSCRIBE: To initiate a subscription to receive future HP Security
Bulletins via Email:

On the web page: ITRC security bulletins and patch sign-up
Under Step1: your IRTC security bulletins and patches
     - check ALL categories for which alerts are required and continue.
Under Step2: your IRTC operating systems
     - verify your operating system selections are checked and save.

To update an existing subscription:

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:

* The Software Product Category that this Security Bulletin relates to
is represented by the 5th and 6th characters of the Bulletin number:
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 Virtual Vault

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 2005 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 nor 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.

- --------------------------END INCLUDED TEXT--------------------

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NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
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NOTE: This is only the original release of the security bulletin.  It may
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Previous advisories and external security bulletins can be retrieved from:

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:

Australian Computer Emergency Response Team
The University of Queensland
Qld 4072

Internet Email:
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).
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