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             AUSCERT External Security Bulletin Redistribution

           ESB-2002.354 -- Compaq Security Advisory (SSRT0795U)
              HP Tru64 UNIX Potential inetd denial of service
                               19 July 2002

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

Product:                inetd
Vendor:                 Compaq
Operating System:       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
Impact:                 Denial of Service
Access Required:        Remote

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 SECURITY BULLETIN REV. 0

 SSRT0795U HP Tru64 UNIX Potential inetd denial of service.

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

 RELEASE DATE:  16 July 2002

 SEVERITY: 1

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

 REFERENCE: SSRT0795U

 PROBLEM SUMMARY:

   o inetd (severity high)
 
     SSRT0795U - Potential Denial of Service (DoS)
     A potential security vulnerability has been discovered within
     HP Tru64 UNIX inetd, which could potentially result in denial
     of service(DoS). DoS attacks make computer systems inaccessible
     by flooding a service, server or network with useless traffic.

 VERSIONS IMPACTED:

        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 PK2 (BL2) installed
   ERP Kit Name: T64V51AB2-C0035101-14695-ES-20020624.tar
   Kit Location: 
   ftp://ftp1.support.compaq.com/public/unix/v5.1a/

   HP Tru64 UNIX V5.1A with PK1 (BL1) installed : update to a
   minimum of  PK2 (BL2) then install ERP
   T64V51AB2-C0035101-14695-ES-20020624.tar
          
   HP Tru64 UNIX 5.1:
   Prerequisite: V5.1 with PK5 (BL19) installed
   ERP Kit Name: T64V51B19-C0118403-14694-ES-20020624.tar
   Kit Location:
   ftp://ftp1.support.compaq.com/public/unix/v5.1/

   HP Tru64 UNIX V5.1 with PK4 (BL18) installed : update to a
   minimum of  PK4 (BL19) then install ERP
   T64V51B19-C0118403-14694-ES-20020624.tar

   HP Tru64 UNIX 5.0A:
   Prerequisite: V5.0A with PK3 (BL17) installed
   ERP Kit Name: T64V50AB17-C0019902-14693-ES-20020624.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-C0013402-14692-ES-20020624.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-C0073102-14691-ES-20020624.tar
   Kit Location:
   ftp://ftp1.support.compaq.com/public/unix/v4.0f/

   HP Tru64 UNIX 4.0F PK6 (BL17) installed: Update to a
   minimum of PK7 (BL18) then install the ERP
   DUV40FB18-C0073102-14691-ES-20020624.tar

   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 ERPs 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.

   This bulletin will be posted to the support website within
   24 hours of release.
   http://thenew.hp.com/country/us/eng/support.html
   Use the SEARCH IN feature, enter SSRT0795U in the search window.


 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
 Compaq supported product, send email to:
 mailto:security-ssrt@compaq.com
 or mailto: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."

 Copyright 2002 Compaq Information Technologies Group, L.P.
 Compaq shall not be liable for technical or editorial errors or
 omissions contained herein. The information in this document is
 subject to change without notice. Compaq and the names of Compaq
 products referenced herein are trademarks of Compaq Information
 Technologies Group, L.P. 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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