AUSCERT External Security Bulletin Redistribution

           ESB-2002.572 -- Compaq Security Bulletin (SSRT0818U)
         HP Tru64 UNIX V5.1A zlib Potential Security Vulnerability
                              16 October 2002


        AusCERT Security Bulletin Summary

Product:                zlib
Vendor:                 Compaq
Operating System:       HP Tru64 UNIX 5.1A
Impact:                 Execute Arbitrary Code/Commands
                        Denial of Service
Access Required:        Existing Account

Ref:                    ESB-2002.129

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Hash: SHA1


SSRT0818U HP Tru64 UNIX V5.1A zlib
          Potential Security Vulnerability
NOTICE: There are no restrictions for distribution of this
        Bulletin provided that it remains complete and intact.

RELEASE DATE: October 2002


SOURCE: Compaq Computer Corporation,
        a wholly-owned subsidiary of
        Hewlett-Packard Company and
        Hewlett-Packard Company
        HP Services
        Software Security Response Team



      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 SSRT0818U in the search window.

   SSRT0818U  zlib  (Severity - High)

   A potential security vulnerability has been discovered, where under
   certain circumstances, system integrity may be compromised. This may
   be in the form of improper file or privilege management. Compaq has
   corrected this potential vulnerability.


   HP Tru64 UNIX 5.1A only



   HP Tru64 UNIX V5.1, V5.0A, V4.0G, V4.0F

   HP NonStop Servers

   HP OpenVMS


   The HP Tru64 UNIX fix is available in the mainstream release
   patch kit for HP Tru64 UNIX V5.1A PK3 (BL3).

   HP Tru64 UNIX 5.1A

   Kit Name:   t64v51ab03as0003-20020827.tar

   Kit Location: ftp://ftp1.support.compaq.com/public/unix/v5.1a/

 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 and Compaq strongly recommend that you
 perform an immediate backup of  the system disk so that any subsequent
 restore operations begin with updated software. Otherwise, the updated
 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:
 REPORT: To report a potential security vulnerability with any HP or
 Compaq supported product, send email to: security-alert@hp.com

 HP and Compaq appreciate your cooperation and patience. As always,
 HP and Compaq urge you to periodically review your system management
 and security procedures. HP and Compaq 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 and Compaq are broadly distributing this Security Bulletin in order
 to bring to the attention of users of the affected Compaq products the
 important security information contained in this Bulletin. HP and Compaq
 recommend that all users determine the applicability of this information
 to their individual situations and take appropriate action. Neither HP
 nor Compaq warrant that this information is necessarily accurate or
 complete for all user situations and, consequently, neither HP nor Compaq
 will be responsible for any damages resulting from user's use or disregard
 of the information provided in this Bulletin."

┬ęCopyright 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.

Version: PGP 7.0.4


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