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                           EMERGENCY RESPONSE SERVICE
      OUTSIDE ADVISORY REDISTRIBUTION

08 August 1996 15:00 GMT                         Number: ERS-OAR-E01-1996:015.1
===============================================================================

The IBM-ERS Outside Advisory Redistribution is designed to provide customers
of the IBM Emergency Response Service with access to the security advisories
sent out by other computer security incident response teams, vendors, and
other groups concerned about security.

IBM makes no representations and assumes no responsibility for the contents or
accuracy of the advisories themselves.

IBM-ERS is forwarding the following information from Hewlett-Packard.  Contact
information for Hewlett-Packard is included in the forwarded text below; please
contact them if you have any questions or need further information.

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

********************** FORWARDED INFORMATION STARTS HERE **********************

                    ***HP SupportLine Mail Service Notice***

This digest contains a summary of all newly received Security Bulletins.

You do not have to have any form of support from Hewlett-Packard to subscribe
to this digest or to procure the recommended patches via the HP SupportLine
mail service.

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

To obtain a copy of the HP SupportLine mail service user's guide, send the
following (in the TEXT PORTION OF THE MESSAGE to) to the HP SupportLine mail
service.

To: support@us.external.hp.com

Message Text:

 send guide

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

To obtain a patch identified within this Security Bulletin, send the following
(in the TEXT PORTION OF THE MESSAGE) to the HP SupportLine mail service.

To: support@us.external.hp.com

Message Text:

 send xxxxxxxxxxxx

(where xxxxxxxxxxxx represents the specified patch name).

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

If you have concerns about security issues, please forward them to:

                   security-alert@hp.com

The security-alert node is monitored during working hours Pacific Daylight Time
by multiple HP Security Response Team personnel. We reply to your message only
if necessary to obtain additional information.

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

If you would like to be REMOVED from this mailing lists, send the following (in
the TEXT PORTION OF THE MESSAGE) to the HP SupportLine mail service.

To: support@us.external.hp.com

Message Text:

 unsubscribe security_info

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

Digest Name: security_info
Description: Daily Security Bulletins Digest
Created:     Thu Aug 08 03:00:00 1996 PDT

- -------------------------------------------------------------------------------
Summary of 'Daily Security Bulletins Digest' documents
- -------------------------------------------------------------------------------
Document Id    Description            Page 1
- -------------------------------------------------------------------------------
HPSBUX9608-037 Security Vulnerability in elm
HPSBUX9608-036 Security Vulnerability in rdist
===============================================================================
Detailed list of 'Daily Security Bulletins Digest' documents
===============================================================================
Document Id: [HPSBUX9608-037]
Date Loaded: [08-08-96]

Description: Security Vulnerability in elm
===============================================================================

- -------------------------------------------------------------------------
HEWLETT-PACKARD SECURITY ADVISORY: HPSBUX08-037, 08 August 1996
- -------------------------------------------------------------------------

The information in the following Security Advisory 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 Advisory as soon as possible.
_________________________________________________________________________

PROBLEM:  Vulnerabilities in elm executable.
PLATFORM: HP 9000 series 300/400/700/800 systems running any version HP-UX
          9.X or 10.X.

DAMAGE:   User files can be modified by non-owners.  When running a
          restricted shell escapes may be possible.

SOLUTION: Apply patch PHCO_7204 (series 300/400,HP-UX 9.X), or
                      PHNE_7342 (series 700/800, HP-UX 9.X), or
                      PHNE_7343 (series 700/800, HP-UX 10.X).
AVAILABILITY:
          All of the patches are available now.
          For BLS system patch availability please contact your support
          representative.

_________________________________________________________________________

I.    elm

   A. Background

      Based on information detailed in CERT(sm) Vendor-Initiated Bulletin
      VB-95:10 Hewlett-Packard has found problems in the version of elm
      shipped with currently supported HP-UX releases.

   B. Fixing the problem

      Hewlett-Packard has created the above patches using the information
      from the vendor.  These vulnerabilities can be eliminated by
      installing the patches referenced herein.

   C. Impact of the patch

      The patches provide a new version of the necessary executables
      to fix the vulnerability.  Installation instructions are contained
      within the patches.

   D. To subscribe to automatically receive future NEW HP Security
      Bulletins from the HP SupportLine mail service via electronic
      mail, send an email message to:

      support@us.external.hp.com   (no Subject is required)

      Multiple instructions are allowed in the TEXT PORTION OF THE
      MESSAGE, here are some basic instructions you may want to use:

      To add your name to the subscription list for new security
      bulletins, send the following in the TEXT PORTION OF THE MESSAGE:

                  subscribe security_info

      To retrieve the index of all HP Security Bulletins issued to
      date, send the following in the TEXT PORTION OF THE MESSAGE:

                  send security_info_list

      To get a patch matrix of current HP-UX and BLS security
      patches referenced by either Security Bulletin or Platform/OS,
      put the following in the text portion of your message:

                  send hp-ux_patch_matrix

      World Wide Web service for browsing of bulletins is available
      via our URL: http://us.external.hp.com

       Choose "Support news", then under Support news,
       choose "Security Bulletins"


   E. To report new security vulnerabilities, send email to

          security-alert@hp.com

      Please encrypt 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.
===============================================================================
Document Id: [HPSBUX9608-036]
Date Loaded: [08-08-96]

Description: Security Vulnerability in rdist
===============================================================================

- -------------------------------------------------------------------------
      HEWLETT-PACKARD SECURITY BULLETIN: HPSBUX9608-036, 08 Aug 96
- -------------------------------------------------------------------------

Hewlett-Packard recommends that 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.

_______________________________________________________________________

PROBLEM:  Security vulnerability in rdist only in releases 10.0X, 10.10,
          & 10.20 of HP-UX.
PLATFORM: HP 9000 Series 700 and 800s
DAMAGE:   A vulnerability in rdist exists allowing local users to gain
          root privileges.
SOLUTION: Apply patches PHNE_8107 (series 700/800, HP-UX 10.00 & 10.01)
                    and PHCO_7798 (series 700/800, HP_UX 10.00 & 10.01)
               or patch PHNE_7919 (series 700/800, HP-UX 10.10)
                        PHNE_7920 (series 700/800, HP-UX 10.20)

AVAILABILITY: All patches are available now, except PHNE_7920 which
          will be available after 8 August.
_______________________________________________________________________
I. rdist Update

   A. Background
   A recent CERT advisory (CERT CA-96.14) more fully describes a
   vulnerability in the rdist utility.  It has been found that specific
   HP-UX 10.XX releases have this vulnerability.

   B. Fixing the problem

   The vulnerability can be eliminated from releases 10.0, 10.01, 10.10,
   and 10.20 of HP-UX by applying the patches mentioned above.  HP-UX
   releases prior to 10.X and after 10.20 (i.e., 10.30) are not
   vulnerable.

   Hewlett-Packard recommends that all customers concerned with the
   security of their HP-UX systems either apply the appropriate patch
   or change perform the actions described above as soon as possible.


   C. How to Install the Patch (for HP-UX 10.X)

   1. Determine which patch is appropriate for your hardware platform
      and operating system:

                Both:

                PHNE_8107 for series 700/800, HP-UX 10.00 10.01
                PHCO_7798 for series 700/800, HP_UX 10.00 10.01

                or:

                PHNE_7919 for series 700/800, HP-UX 10.10
                PHNE_7920 for series 700/800, HP-UX 10.20

   2. Hewlett Packard's HP-UX patches are available via email and World
      Wide Web.

      To obtain a copy of the HP SupportLine email service user's guide,
      send the following in the TEXT PORTION OF THE MESSAGE to
      support@us.external.hp.com (no Subject is required):

                      send guide

      The users guide explains the process for downloading HP-UX patches
      via email and other services available.

       World Wide Web service for downloading of patches is available
       via our URL:
                  http://us.external.hp.com

   3.  Apply the necessary patch(es) to your HP-UX system.

   4.  Examine /tmp/update.log for any relevant WARNINGs or ERRORs.


   E.  To subscribe to automatically receive future NEW HP Security
       Bulletins from the HP SupportLine mail service via electronic
       mail, send an email message to:

              support@us.external.hp.com   (no Subject is required)

       Multiple instructions are allowed in the TEXT PORTION OF THE
       MESSAGE, here are some basic instructions you may want to use:

       To add your name to the subscription list for new security
       bulletins, send the following in the TEXT PORTION OF THE MESSAGE:

                  subscribe security_info

       To retrieve the index of all HP Security Bulletins issued to date,
       send the following in the TEXT PORTION OF THE MESSAGE:

                  send security_info_list

       To get a patch matrix of current HP-UX and BLS security
       patches referenced by either Security Bulletin or Platform/OS,
       put the following in the text portion of your message:

                  send hp-ux_patch_matrix

       World Wide Web service for browsing of bulletins is available via
       our URL:
                      http://us.external.hp.com

       Choose "Support news", then under Support news,
       choose "Security Bulletins"


    F. To report new security vulnerabilities, send email to

          security-alert@hp.com

      Please encrypt 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.
_______________________________________________________________________

*********************** FORWARDED INFORMATION ENDS HERE ***********************

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

IBM's Internet Emergency Response Service (IBM-ERS) is a subscription-based
Internet security response service that includes computer security incident
response and management, regular electronic verification of your Internet
gateway(s), and security vulnerability alerts similar to this one that are
tailored to your specific computing environment.  By acting as an extension
of your own internal security staff, IBM-ERS's team of Internet security
experts helps you quickly detect and respond to attacks and exposures across
your Internet connection(s).

As a part of IBM's Business Recovery Services organization, the IBM Internet
Emergency Response Service is a component of IBM's SecureWay(tm) line of
security products and services.  From hardware to software to consulting,
SecureWay solutions can give you the assurance and expertise you need to
protect your valuable business resources.  To find out more about the IBM
Internet Emergency Response Service, send an electronic mail message to
ers-sales@vnet.ibm.com, or call 1-800-742-2493 (Prompt 4).

IBM-ERS maintains a site on the World Wide Web at http://www.ers.ibm.com/.
Visit the site for information about the service, copies of security alerts,
team contact information, and other items.

IBM-ERS uses Pretty Good Privacy* (PGP*) as the digital signature mechanism for
security vulnerability alerts and other distributed information.  The IBM-ERS
PGP* public key is available from http://www.ers.ibm.com/team-info/pgpkey.html.
"Pretty Good Privacy" and "PGP" are trademarks of Philip Zimmerman.

IBM-ERS is a Member Team of the Forum of Incident Response and Security Teams
(FIRST), a global organization established to foster cooperation and response
coordination among computer security teams worldwide.

The information in this document is provided as a service to customers of
the IBM Emergency Response Service.  Neither International Business Machines
Corporation, Integrated Systems Solutions Corporation, nor any of their
employees, makes any warranty, express or implied, or assumes any legal
liability or responsibility for the accuracy, completeness, or usefulness of
any information, apparatus, product, or process contained herein, or
represents that its use would not infringe any privately owned rights.
Reference herein to any specific commercial products, process, or service by
trade name, trademark, manufacturer, or otherwise, does not necessarily
constitute or imply its endorsement, recommendation or favoring by IBM or
its subsidiaries.  The views and opinions of authors expressed herein do not
necessarily state or reflect those of IBM or its subsidiaries, and may not be
used for advertising or product endorsement purposes.

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