MPE/iX Sec. Vulnerability with ICMP Echo Request (ping)

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                        HP Support Information Digests

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Digest Name:  Daily Security Bulletins Digest
    Created:  Wed Jul  9  5:30:57 PDT 1997

Table of Contents:

Document ID      Title
---------------  -----------
HPSBMP9703-004   MPE/iX Sec. Vulnerability with ICMP Echo Request (ping)

The documents are listed below.
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Document ID:  HPSBMP9703-004
Date Loaded:  970709
      Title:  MPE/iX Sec. Vulnerability with ICMP Echo Request (ping)

-------------------------------------------------------------------------
**REVISED 01**HEWLETT-PACKARD SECURITY BULLETIN: (MPE/iX) #0004, 12 Mar 97
LAST CHANGE: 08 July 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.

-------------------------------------------------------------------------
PROBLEM:  Vulnerability with specific incoming ICMP Echo Request (ping)
          packets.

PLATFORM: All HP3000 Series 900 systems running MPE/iX Release 5.0 and
          newer.

DAMAGE:   Vulnerability makes it possible for an external user to
          cause a system abort.

**REVISED 01**
SOLUTION: Apply patch NSTEDN1A to systems running MPE/iX Release 5.0
            and its Powerpatches (C.50.00 through C.50.06).
          Apply patch NSTEDL8A to systems running MPE/iX Release 5.5
            and its Powerpatches (C.55.00 through C.55.02).

**REVISED 01**
AVAILABILITY: All patches are available now.

CHANGE SUMMARY: Updated patch ID for MPE/iX Release 5.0;
                New patch available for MPE/iX Release 5.5.
-------------------------------------------------------------------------
I.
   A. Background
      A mailing list disclosure described a vulnerability in which
      specific, illegally formatted, incoming ICMP Echo Request (ping)
      traffic could cause a system abort on HP3000 systems.

   B. Recommended solution
      The system administrator needs to obtain and apply the patches
      mentioned above.

   C. Fixing the problem

   1. Obtain the patch
      Obtain the appropriate patch from the HP Electronic Support Center,
      URL:    http://us-support.external.hp.com
           (US,Canada, Asia-Pacific, and Latin America)

              http://europe-support.external.hp.com  (Europe)

      Follow the "Patch Database" hyperlink from the HP Electronic
      Support Center home page.

   2. Apply the patch
      MPE/iX patches are unpacked using the UNPACKP script.  UNPACKP
      runs the MOVER utility to unload the truck file for the patch.
      Hyperlinks for the UNPACKP script and the MPE Patch Installation
      Guide are located on the main page for MPE/iX patches on
      HP Electronic Support Center.

      You need MOVER version A.00.02, EOF (end-of-file) 635, to unload
      MPE/iX patches.  You can download this version of MOVER from
      the HP3000 Web Server at http://jazz.external.hp.com.  Follow
      the Shareware and Sources & Binaries hyperlinks.

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_______________________________________________________________________
-----End of Document ID:  HPSBMP9703-004--------------------------------------