-----BEGIN PGP SIGNED MESSAGE-----

===========================================================================
             AUSCERT External Security Bulletin Redistribution

       ESB-2002.691 -- HP Support Information Digest HPSBUX0212-232
              SSRT2370 Sec. Vulnerability with ntpd on HP-UX
                             12 December 2002

===========================================================================

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

Product:                xntpd
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 10.20
                        HP-UX 10.24
                        HP-UX 11.00
                        HP-UX 11.04
                        HP-UX 11.11
Platform:               HP9000 Series 700
                        HP9000 Series 800
Impact:                 Denial of Service

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

 -----------------------------------------------------------------
 Source: HEWLETT-PACKARD COMPANY
 SECURITY BULLETIN: HPSBUX0212-233
 Originally issued: 10 Dec 2002
 SSRT2370 Sec. Vulnerability with ntpd on HP-UX 
 -----------------------------------------------------------------

NOTICE: There are no restrictions for distribution of this Bulletin
provided that it remains complete and intact.

The information in the following Security Bulletin should be
acted upon as soon as possible.  Hewlett-Packard Company will
not be liable for any consequences to any customer resulting
from customer's failure to fully implement instructions in this
Security Bulletin as soon as possible.

 ------------------------------------------------------------------
PROBLEM:  xntpd software may HANG or exhibit extremely poor
          performance.

IMPACT:   Potential denial of service (DoS).

PLATFORM: HP 9000 Series 700 and 800 running HP-UX releases 10.20, 
          10.24, 11.00, 11.04 and 11.11 using the xntpd software.

SOLUTION: Retrieve and apply the following patches:

          for HP-UX 10.20:          PHNE_24510
          for HP-UX 10.24(VVOS):    PHNE_28002
          for HP-UX 11.00:          PHNE_27223
          for HP-UX 11.04(VVOS):    PHNE_27442
          for HP-UX 11.11:          PHNE_24512

MANUAL ACTIONS: No

AVAILABILITY:  All patches are currently available from <itrc.hp.com>.
 ------------------------------------------------------------------
 A. Background
    Some HP-UX systems running the latest xntpd software may HANG
    or exhibit extremely poor performance.

 B. Recommended solution
    HP has made available a patch to upgrade NTP timeservices. 
    Retrieve and apply the following patches to affected systems.
          for HP-UX 10.20:          PHNE_24510
                    10.24(VVOS):    PHNE_28002
                    11.00:          PHNE_27223
                    11.04(VVOS):    PHNE_27442
                    11.11:          PHNE_24512

    The patches do not require a reboot.  The problem is fixed in
    HP-UX release 11.22.    

 C. To subscribe to automatically receive future NEW HP Security
    Bulletins from the HP IT Resource Center via electronic
    mail, do the following:

    Use your browser to get to the HP IT Resource Center page
    at:

       http://itrc.hp.com

    Use the 'Login' tab at the left side of the screen to login
    using your ID and password.  Use your existing login or the
    "Register" button at the left to create a login, in order to
    gain access to many areas of the ITRC.  Remember to save the
    User ID assigned to you, and your password.

    In the left most frame select "Maintenance and Support".

    Under the "Notifications" section (near the bottom of
    the page), select "Support Information Digests".
     
    To -subscribe- to future HP Security Bulletins or other
    Technical Digests, click the check box (in the left column)
    for the appropriate digest and then click the "Update
    Subscriptions" button at the bottom of the page.

    or

    To -review- bulletins already released, select the link
    (in the middle column) for the appropriate digest.

    To -gain access- to the Security Patch Matrix, select
    the link for "The Security Bulletins Archive".  (near the
    bottom of the page)  Once in the archive the third link is
    to the current Security Patch Matrix. Updated daily, this
    matrix categorizes security patches by platform/OS release,
    and by bulletin topic.  Security Patch Check completely
    automates the process of reviewing the patch matrix for
    11.XX systems.

    For information on the Security Patch Check tool, see:
    http://www.software.hp.com/cgi-bin/swdepot_parser.cgi/cgi/
    displayProductInfo.pl?productNumber=B6834AA

    The security patch matrix is also available via anonymous
    ftp:

    ftp://ftp.itrc.hp.com/export/patches/hp-ux_patch_matrix/

    On the "Support Information Digest Main" page:
    click on the "HP Security Bulletin Archive".

 D. To report new security vulnerabilities, send email to

    security-alert@hp.com

    Please encrypt any exploit information using the
    security-alert PGP key, available from your local key
    server, or by sending a message with a -subject- (not body)
    of 'get key' (no quotes) to security-alert@hp.com.

 ------------------------------------------------------------------

(c) Copyright 2002 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial errors or omissions contained herein. The information
in this document is subject to change without notice.
Hewlett-Packard Company and the names of HP products referenced
herein are trademarks and/or service marks of Hewlett-Packard
Company.  Other product and company names mentioned herein may be
trademarks and/or service marks of their respective owners.

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

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

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
over its content.  The decision to use any or all of this information is
the responsibility of each user or organisation, and should be done so in
accordance with site policies and procedures.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author\'s website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

If you believe that your system has been compromised, contact AusCERT or
your representative in FIRST (Forum of Incident Response and Security
Teams).

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.

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3i
Charset: noconv
Comment: http://www.auscert.org.au/render.html?it=1967

iQCVAwUBPfhe+ih9+71yA2DNAQHulAP9G4Pdn/VtE8oIOg2Kyy2wI3sbPrk2Au1h
JSdF6wHicNKX8H4wSEQesIQ7FS63mY7nFAeygAQzhB3k5FFWMUetd6IzZt/nnrZ4
ffXyeztmi80J8d54Y9+uB0zav48f5gL3iejkX88Xj9AduyLItqmrNJAW5RujxZkb
8TdvzMaZqaE=
=5kbE
-----END PGP SIGNATURE-----