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             AUSCERT External Security Bulletin Redistribution

             ESB-2002.666 -- COMPAQ SECURITY BULLETIN SSRT2301
          HP Tru64 UNIX uudecode Potential Security Vulnerability
                             29 November 2002

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

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

Product:                uudecode
Vendor:                 COMPAQ
Operating System:       HP Tru64 UNIX 5.1A
                        HP Tru64 UNIX 5.1
                        HP Tru64 UNIX 5.0A
                        HP Tru64 UNIX 4.0G
                        HP Tru64 UNIX 4.0F
Impact:                 Overwrite Arbitrary Files
Access Required:        Existing Account

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SECURITY BULLETIN: SSRT2301 - HP Tru64 UNIX uudecode
                                          Potential Security
Vulnerability

REVISION: 0

NOTICE: There are no restrictions for distribution
                 of this Bulletin provided that it remains complete
                 and intact.

RELEASE DATE: 25 November 2002

SEVERITY:  MEDIUM

SOURCE:  Hewlett-Packard Company
                   Software Security Response Team

REFERENCE:  CERT VU#336083, CAN-2002-0178

PROBLEM SUMMARY

  This bulletin will be posted to the support website
  within 24 hours of release to -
  http://thenew.hp.com/country/us/eng/support.html
  Use the SEARCH IN feature box, enter SSRT2301 in the
  search window.

SSRT2301 uudecode  (Severity - Medium)

  A potential security vulnerability has been discovered
  in the HP Tru64 UNIX operating system, where under certain
  circumstances, system integrity may be compromised through
  improper file access (overwriting files). This potential
  vulnerability may be in the form a local security domain
  risk.


VERSIONS IMPACTED:

       HP Tru64 UNIX

       HP Tru64 UNIX V5.1A

       HP Tru64 UNIX V5.1

       HP Tru64 UNIX V5.0A

       HP Tru64 UNIX V4.0G

       HP Tru64 UNIX V4.0F


RESOLUTION

  Early Release Patches (ERPs) are now available for all
  supported versions of HP Tru64 UNIX.  The ERP kits use
  dupatch to install and will not  install over any
  Customer Specific Patches (CSPs) which have file
  intersections with the ERPs. Contact your normal support
  channel and request HP Tru64 services elevate a case to
  Support Engineering if a CSP must be merged with one of
  the ERPs.  Please review the README file for each patch
  prior to installation.


HP Tru64 UNIX 5.1A:
Prerequisite: V5.1A with PK3 (BL3) installed
ERP Kit Name:   T64V51AB3-C0055902-16064-ES-20021114 .tar
Kit Location:  ftp://ftp1.support.compaq.com/public/unix/v5.1a/

HP Tru64 UNIX 5.1:
Prerequisite: V5.1 with PK5 (BL19) installed
ERP Kit Name: T64V51B19-C0142502-16065-ES-20021114 .tar
Kit Location:   ftp://ftp1.support.compaq.com/public/unix/v5.1/ 

HP Tru64 UNIX 5.0A:
Prerequisite: V5.0A with PK3 (BL17) installed
ERP Kit Name: T64V50AB17-C0023802-16066-ES-20021114 .tar
Kit Location:  ftp://ftp1.support.compaq.com/public/unix/v5.0a/ 

HP Tru64 UNIX 4.0G:
Prerequisite: V4.0G with PK3 (BL17) installed
ERP Kit Name:  T64V40GB17-C0020202-16068-ES-20021114 .tar
Kit Location:  ftp://ftp1.support.compaq.com/public/unix/v4.0g/

HP Tru64 UNIX 4.0F:
Prerequisite: V4.0F with PK7 (BL18) installed
ERP Kit Name: DUV40FB18-C0082402-16085-ES-20021115.tar
Kit Location:  ftp://ftp1.support.compaq.com/public/unix/v4.0f/

Information on how to verify MD5 and SHA1 checksums is
available at: http://www.support.compaq.com/patches/whats-new.shtml 

  After completing the update, HP strongly recommends
  that you perform an immediate backup of  the system
  disk so that any subsequent restore operations begin
  with updated software. Otherwise, the updates must
  be re-applied after a future restore operation.
  Also, if at some future time the system is upgraded
  to a later patch release or version release,
  reinstall the appropriate ERP.


SUPPORT: For further information, contact HP Services

SUBSCRIBE: To subscribe to automatically receive future
Security Advisories from the Software Security Response
Team via electronic mail:
http://www.support.compaq.com/patches/mailing-list.shtml


REPORT:

  To report a potential security vulnerability with any HP
  supported product, send email to: security-alert@hp.com

  As always, HP urges you to periodically review your system
management
  and security procedures. HP will continue to review and enhance the
  security features of its products and work with our customers to
  maintain and improve the security and integrity of their systems.

  "HP is broadly distributing this Security Bulletin in order to
bring
  to the attention of users of the affected HP products the important
  security information contained in this Bulletin. HP recommends that
  all users determine the applicability of this information to their
  individual situations and take appropriate action. HP does not
  warrant that this information is necessarily accurate or complete
for
  all user situations and, consequently,  HP will not be responsible
  for any damages resulting from user's use or disregard of the
  information provided in this Bulletin."

(c)Copyright 2002 Hewlett-Packard Company.
  Hewlett-Packard Company shall not be liable for technical
  or editorial errors or omissions contained herein. The information
in
  this document is subject to change without notice. Hewlett-Packard
  Company and the names of Hewlett-Packard products referenced herein
  are trademarks of Hewlett-Packard Company in the United States and
  other countries. Other product and company names mentioned herein
may
  be trademarks of their respective owners.

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