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Security Bulletins Digest
From: aleph1 () DFW NET (Aleph One)
Date: Thu, 13 Feb 1997 08:50:32 -0600

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Digest Name:  Daily Security Bulletins Digest
    Created:  Thu Feb 13  3:00:04 PST 1997

Table of Contents:

Document ID      Title
---------------  -----------
HPSBUX9702-053   Security Vulnerability in the ppl executable

The documents are listed below.

Document ID:  HPSBUX9702-053
Date Loaded:  970213
      Title:  Security Vulnerability in the ppl executable

      HEWLETT-PACKARD SECURITY BULLETIN: #00053, 13 February 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:  Security Vulnerability in [/usr]/bin/ppl

PLATFORM: HP 9000 Series 700/800s running HP-UX releases 9.X & 10.X

DAMAGE:   Vulnerabilities exist allowing local users to gain root

SOLUTION: Apply patch:
          PHNE_9378 for all platforms with HP-UX releases 9.X
          PHNE_9375 for all platforms with HP-UX releases 10.00/10.01
          PHNE_9376 for all platforms with HP-UX releases 10.10
          PHNE_9771 for all platforms with HP-UX releases 10.20

AVAILABILITY: All patches are available now.
   A. Background
      A vulnerability with the ppl executable ([/usr]/bin/ppl) has been
      discovered. The fileset affected is Networking.SLIP-RUN.

   B. Fixing the problem
      The vulnerability can be eliminated from HP-UX releases 9.X and
      10.X by applying the appropriate patch.

   C. Recommended solution
      1. Determine which patch is appropriate for your operating

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

         To obtain a copy of the Hewlett-Packard 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 HP-UX patch downloading process
         via email and other services available.

         World Wide Web service for downloading of patches
         is available via our URL:

      3. Apply the patch to your HP-UX system.

      4. Examine /tmp/update.log (9.X), or /var/adm/sw/swinstall.log
         (10.X), for any relevant WARNING's or ERROR's.

   D. Impact of the patch
      The patches for HP-UX releases 9.X and 10.X provide enhancements
      to the ppl executable to avoid this vulnerability.

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-----End of Document ID:  HPSBUX9702-053--------------------------------------

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