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

              ESB-2002.012 -- HP Support Information Digests
       HPSBUX0201-178 - Sec. Vulnerability with filesystem deadlock
                             10 January 2002

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

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

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

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

Document ID:  HPSBUX0201-178
Date Loaded:  20020107
      Title:  Sec. Vulnerability with filesystem deadlock

- ---------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0178,
    Originally issued: 07 January 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:  filesystem deadlock causes the system hang

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.20,
          10.24, 11.00, 11.04, and 11.11 only.

DAMAGE:   Potential denial of service (DoS)

SOLUTION: Apply the appropriate patch:
                   10.20  Series 700       PHKL_24517,
                   10.20  Series 800       PHKL_24518,
                   11.00                   PHKL_22932,
                   11.04  (VVOS)           PHKL_25033,
                   11.11                   PHKL_23335.

MANUAL ACTIONS: None

AVAILABILITY: All patches are available now.

 ---------------------------------------------------------------
 A. Background
    Hewlett-Packard Company has learned of a situation where
    a local account could  exploit a file system weakness that
    could result in a hang.

 B. Recommended solution
    The problem can be fully rectified by application of one of
    these patches to the appropriate HP-UX release:
                   10.20  Series 700       PHKL_24517,
                   10.20  Series 800       PHKL_24518,
                   11.00                   PHKL_22932,
                   11.04  (VVOS)           PHKL_25033,
                   11.11                   PHKL_23335.

       NOTE: HP-UX 10.24 (VVOS) is not vulnerable.

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

    Under the "Notifications" section (near the bottom of
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    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.
 ________________________________________________________________
- -----End of Document ID:  HPSBUX0201-178--------------------------------------

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