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

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

              ESB-2002.201 -- HP Support Information Digests
              HPSBUX0204-191 Sec. Vulnerability in passwd(1)
                               26 April 2002

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

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

Product:                passwd(1)
Vendor:                 Hewlett-Packard
Operating System:       HP-UX 11.00
                        HP-UX 11.04 (VVOS)
                        HP-UX 11.11
Platform:               HP 9000 Servers
Impact:                 Denial of Service
Access Required:        Existing Account

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

Document ID:  HPSBUX0204-191
Date Loaded:  20020423
      Title:  Sec. Vulnerability in passwd(1)

 -----------------------------------------------------------------
   HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #0191,
   Originally issued: 23 April 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:  password file corruption using passwd(1)

PLATFORM: HP 9000 Servers running HP-UX releases 11.00 and 11.11 only.

DAMAGE:   Possible denial-of-service, corruption.

SOLUTION: Apply the appropriate patches for HP-UX releases:
                   PHCO_25527    11.00
                   PHCO_26904    11.04 (VVOS)
                   PHCO_24839    11.11

MANUAL ACTIONS: none

AVAILABILITY:   Patches are available now.

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

A. Background
    Hewlett-Packard Company has learned of a defect in use of the
    passwd(1) command on HP-UX 11.00 and 11.11.

B. Fixing the problem
   The recommended solution is to install the patch as detailed below.
                   PHCO_25527    11.00
                   PHCO_26904    11.04 (VVOS)
                   PHCO_24839    11.11

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.
 ________________________________________________________________
- --
- -----End of Document ID:  HPSBUX0204-191--------------------------------------

- --------------------------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 original authors 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/Information/advisories.html

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 emergencies.

-----BEGIN PGP SIGNATURE-----
Version: 2.6.3i
Charset: noconv
Comment: ftp://ftp.auscert.org.au/pub/auscert/AUSCERT_PGP.key

iQCVAwUBPMmkUih9+71yA2DNAQFC2AP9GpwbhcYDZPgcwhUgOhycdQiaPEHTQl4W
1ThZzOGD/itbFOQRXoJXSSaaUpCub77txq6lC1TNhSunDMV+YICmlWeXQWSIIfE2
ngWqYzJUbcgCgjFlK1FMwzoPTnrTTSTUnuB7ICq8HltFBi8CnlgFIt3B8pQfer5w
EWTDFmFkzS4=
=266w
-----END PGP SIGNATURE-----