AUSCERT External Security Bulletin Redistribution

           ESB-2002.353 -- Compaq Security Advisory (SSRT0794U)
             HP Tru64 UNIX Potential Overflow in /usr/bin/ipcs
                               19 July 2002


        AusCERT Security Bulletin Summary

Product:                ipcs
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:                 Execute Arbitrary Code/Commands

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Hash: SHA1


SSRT0794U HP Tru64 UNIX Potential Overflow in /usr/bin/ipcs

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

RELEASE DATE: 16 July, 2002


SOURCE:  Compaq Computer Corporation, a wholly-owned
         subsidiary of Hewlett-Packard Company and
         Hewlett-Packard Company HP Services
         Software Security Response Team (SSRT)
REFERENCE:  CVE Candidate CAN-2002-0093, SSRT0794U


   o IPCS (Severity - High)
     SSRT0794 Potential buffer overflow in IPCS

     The /usr/bin/ipcs utility is used to report inter-process
     communication status. This potential vulnerability may allow
     arbitrary code to be executed.


     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


     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

     Please review the README file for each patch prior to

HP Tru64 UNIX 5.1A:
Prerequisite: V5.1A with PK2 (BL2) installed
ERP Kit Name:   T64V51AB2-C0015807-14563-ES-20020611.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-C0015807-14563-ES-20020611.tar

HP Tru64 UNIX 5.1:
Prerequisite: V5.1 with PK5 (BL19) installed
ERP Kit Name: T64V51B19-C0109706-14562-ES-20020611
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-C0109706-14562-ES-20020611

HP Tru64 UNIX 5.0A:
Prerequisite: V5.0A with PK3 (BL17) installed
ERP Kit Name: T64V50AB17-C0019402-14556-ES-20020611.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-C0011702-14557-ES-20020611.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-C0069705-14559-ES-20020611.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

  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  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.

 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 SSRT0794U in the search window.

SUPPORT: For further information, contact HP Services.


 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 


 To report a potential security vulnerability with any
 Compaq supported product, send email to:
 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.

Version: PGP 7.0.1


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