Operating System:


11 September 2001

Protect yourself against future threats.


             AUSCERT External Security Bulletin Redistribution

       ESB-2001.398 -- HP Support Information Digests HPSBUX0103-145
                  Sec. Vulnerability in asecure (Rev.03)
                             12 September 2001


        AusCERT Security Bulletin Summary

Product:                asecure
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 10.01
                        HP-UX 10.10
                        HP-UX 10.20
                        HP-UX 11.00
Platform:               HP9000 Series 700
                        HP9000 Series 800
Impact:                 Denial of Service

Ref:                    ESB-2001.108

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

Document ID:  HPSBUX0103-145
Date Loaded:  20010910
      Title:  Sec. Vulnerability in asecure (Rev.03)

- ------------------------------------------------------------------
 **REVISED 03**
 Last Revised: 10 Sept. 2001

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:  Certain files used by the asecure program have unsafe

PLATFORM: HP9000 Series 700/800 running HP-UX releases 10.01, 10.10,
          10.20 and 11.00 only.

DAMAGE:   Possible denial of service

SOLUTION: Install the appropriate patch for the HP-UX release:

- ---->>    10.10,10.20              PHSS_24534
- ---->>    11.00                    PHSS_24608

MANUAL ACTIONS: /usr/bin/chmod 444  in two files, see details below

AVAILABILITY:  The patches are available now.

CHANGE SUMMARY:  Updated patch information, deleted old instructions.

 A. Background
    Certain files used by the asecure program have unsafe permissions.

 B. Fixing the problem
    Install the appropriate patch.  If that is not possible,
    change the permissions of the files listed below.

 C. Recommended solution
    Obtain the necessary patch from itrc.hp.com, as described below.
    For HP-UX releases 10.10,10.20: PHSS_24534
                         and 11.00: PHSS_24608

    NOTE: No patch is needed for HP-UX 11.11.

MANUAL ACTIONS: For customers with 10.01 systems or for customers
who are unable to install the patches, change permissions:

- ---->>         /usr/bin/chmod 444 /var/opt/audio/asecure_log
- ---->>         /usr/bin/chmod 444 /var/opt/audio/audio_error_log

- ---->>Note: To determine whether asecure is installed on a system:
- ---->>        swlist -l file | grep asecure

 D. 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


    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.


    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:

    The security patch matrix is also available via anonymous


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

 E. To report new security vulnerabilities, send email to


    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:  HPSBUX0103-145--------------------------------------

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

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