Operating System:

Published:

04 May 2000

Protect yourself against future threats.

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              AUSCERT External Security Bulletin Redistribution
                             
             ESB-2000.086 -- HP SECURITY BULLETIN HPSBUX0005-113
                  Sec. Vulnerability with shutdown command
                                 05 May 2000

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

Product:                shutdown
Vendor:                 Hewlett-Packard
Operating System:       HP-UX release 10.x
			HP-UX release 11.x

Platform:               HP-9000 Series 700/800

Impact:                 Increased Privileges
Access Required:        Local



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Document ID:  HPSBUX0005-113
Date Loaded:  20000503
      Title:  Sec. Vulnerability with shutdown command

- -------------------------------------------------------------------------
    HEWLETT-PACKARD COMPANY SECURITY BULLETIN: #00113, 3 May 2000
- -------------------------------------------------------------------------

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:  shutdown(1M) improperly handles input variables.

PLATFORM: HP-9000 Series700/800 running HP-UX releases 11.X and 10.X.

DAMAGE:   Increase of privileges.

SOLUTION: Apply the appropriate patches noted below.

- -------------------------------------------------------------------------
I.
   A. Background
      The shutdown command did not properly handle its inputs.


   B. Fixing the problem
      This problem can be eliminated by installing the following patch,
      which now allows the command to function properly.

      For HP-UX release 11.00, obtain and apply PHCO_21534;
      for HP-UX release 10.20 and 10.10, obtain and apply PHCO_21574.

      For HP-UX VirtualVault (VVOS) release 11.04, use PHCO_21567;
      for HP-UX VirtualVault (VVOS) release 10.24, use PHCO_21566.

      Note: No system reboot will be required.


   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

      Under the heading "Maintenance and Support" click on the link
      "More..."  and at the very bottom of that next page, click on
      "Support Information Digests" underneath the heading NOTIFICATIONS.

      Now login on the IT Resource Center Welcome page, using your user
      ID and password (or register for one).  You will need to login
      in order to gain access to many areas of the ITRC.  Remember to
      save the User ID assigned to you, and your password.

      Once you are on the Support Information Digests Main page,
      follow the instructions there.

      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 from our archive, simply
      click on the link near the top of the list entitled
      "HP Security Bulletins Archive."

      or

      To -gain access- to the Security Patch Matrix, select
      the link for "The Security Bulletins Archive".  Once in
      the archive the third link is to our current Security
      Patch Matrix. Updated daily, this matrix categorizes security
      patches by platform/OS release, and by bulletin topic.

      The security patch matrix is also available via anonymous ftp:

      us-ffs.external.hp.com
      ~ftp/export/patches/hp-ux_patch_matrix


   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:  HPSBUX0005-113--------------------------------------

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