Operating System:


23 October 2001

Protect yourself against future threats.


             AUSCERT External Security Bulletin Redistribution

       ESB-2001.450 -- HP Support Information Digests HPSBTL0110-001
                    Sec. Vulnerability in fs protection
                              24 October 2001


        AusCERT Security Bulletin Summary

Product:                Secure OS software for Linux
Vendor:                 Hewlett-Packard
Impact:                 Increased Privileges

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

Document ID:  HPSBTL0110-001
Date Loaded:  20011022
      Title:  Sec. Vulnerability in fs protection

- ---------------------------------------------------------------
    Originally issued: 23 October '01
- ---------------------------------------------------------------
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:   File system protection does not work in all cases.

PLATFORM:  Any system running HP Secure OS software for Linux Release

DAMAGE:    Under certain conditions, users can have privileges on
           some files contrary to restrictions specified in
           file-system protection rules.

SOLUTION:  Apply the appropriate patch (see section B below).


AVAILABILITY:   These patches are available now.

- ---------------------------------------------------------------
A. Background

    Hewlett-Packard Company has discovered a vulnerability
    in the file-system protection subsystem of its Secure OS
    Software for Linux.  It is possible too that users may have
    unauthorized privileges on files which have had protection
    rules specified on them.

B. Fixing the problem

    Apply one of the following patches (depending upon the processor
    architecture on the installed system):

              Architecture    Patch ID
              ------------    --------
              i586            HPTL_00001
              i686-UNP        HPTL_00002
              i686-SMP        HPTL_00003

    These patches are available as follows: -

    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.

    Under the "Maintenance and Support" section, select "individual patches".

    In the field at the bottom of the page labelled "retrieve a specific patch
    by entering the patch name", enter the appropriate Patch ID as specified in
    the table above.

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


    and login as described in section B. above.

    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.

 D. 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:  HPSBTL0110-001--------------------------------------

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

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