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             AUSCERT External Security Bulletin Redistribution

     ESB-2002.327 -- HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00196
               HP DCE/9000 1.8 DCE Client IPv6 vulnerability
                                3 July 2002

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

Product:                DCE
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 11.11 with PHSS_25710
                        HP-UX 11.11 with PHSS_26394 and PHSS_26396
Platform:               HP 9000 Series 700/800
Impact:                 Denial of Service
Access Required:        Remote

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 -----------------------------------------------------------------
 HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00196,
 Originally issued:  01 July 2002
 -----------------------------------------------------------------

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: Internal data can be modified causing rpcd or dced to
         crash.

PLATFORM: HP 9000 Series 700/800 running HP-UX 11.11 only with
           1. PHSS_25710
           or
           2. PHSS_26394 and PHSS_26396

DAMAGE:  Denial of service.

SOLUTION:  Install patches PHSS_27258 and PHSS_27259.

MANUAL ACTIONS: None

AVAILABILITY:  The patches are available now.

 ------------------------------------------------------------------
 A. Background
    When IPV6 functionality was added to DCE at 11.11 a security
    vulnerability was introduced that allowed DCE daemon dced or
    rpcd to crash under certain conditions.

 B. Fixing the problem
    Install patches PHSS_27258 and PHSS_27259 or subsequent.

    Note: If customers have no need for IPV6 functionality or
    any of the fixes provided in PHSS_25710, PHSS_26394, or
    PHSS_26396, the problem may be avoided by removing these
    patches.

 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.itrc.hp.com:~ftp/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.

    Permission is granted for copying and circulating this
    Bulletin to Hewlett-Packard (HP) customers (or the Internet
    community) for the purpose of alerting them to problems,
    if and only if, the Bulletin is not edited or changed in
    any way, is attributed to HP, and provided such reproduction
    and/or distribution is performed for non-commercial purposes.

    Any other use of this information is prohibited. HP is not
    liable for any misuse of this information by any third party.
 ________________________________________________________________


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