Security Vulnerability in libXt for HP-UX 9.X & 10.X

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Digest Name:  Daily Security Bulletins Digest
    Created:  Wed May 14  4:00:08 PDT 1997

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX9704-058   Security Vulnerability in libXt for HP-UX 9.X & 10.X

The documents are listed below.
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Document ID:  HPSBUX9704-058
Date Loaded:  970514
      Title:  Security Vulnerability in libXt for HP-UX 9.X & 10.X

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**REVISED 01**HEWLETT-PACKARD SECURITY BULLETIN: #00058, 28 April 1997
Last Revised: 13 May 1997
-------------------------------------------------------------------------

The information in the following Security Bulletin should be acted upon
as soon as possible.  Hewlett Packard 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.

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PROBLEM:   Buffer overflow condition in libXt/Error.c

PLATFORM:  HP 9000 series 700/800 systems running version 9.X or 10.X

DAMAGE:    Users could increase privileges.

SOLUTION:  Apply the patches listed below and relink any suid/sgid
           programs that use libXt.a.  Programs that use the shared
           library libXt.sl require no action other than loading
           the patches.


AVAILABILITY: All patches are available now.

CHANGE SUMMARY:  Correct patches for HP-UX 10.10 now included.
-------------------------------------------------------------------------
I.
   A. Background
      A buffer overflow condition has been identified in the Xt
      library.  This can be exploited using suid/sgid programs
      to increase privileges.


   B. Fixing the problem
      Apply the library patches and relink any suid/sgid programs
      that are linked with the archived version of libXt.

   C. Recommended solution
        **REVISED**
        Install the applicable patches:

       PHSS_10167       9.X   X11R5/Motif1.2  Runtime
       PHSS_10168       9.X   X11R5/Motif1.2  Development

       PHSS_9809        10.0X  X11R5/Motif1.2  Runtime (also for 10.10)
       PHSS_9810        10.0X  X11R5/Motif1.2  Development

       PHSS_9809        10.10  X11R5/Motif1.2  Runtime (also for 10.0X)
       PHSS_9811        10.10  X11R5/Motif1.2  Development

       PHSS_10688       10.20 X11R5/Motif1.2  Runtime
       PHSS_9813        10.20 X11R5/Motif1.2  Development

       PHSS_10789       10.20 X11R6/Motif1.2  Runtime
       PHSS_9815        10.20 X11R6/Motif1.2  Development

       Then relink as indicated above.

   D. Impact of the patch

      Installs new versions of X11R5 or X11R6 and Motif1.2.


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-----End of Document ID:  HPSBUX9704-058--------------------------------------