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             AUSCERT External Security Bulletin Redistribution

      ESB-2002.483 -- Compaq Security Bulletin (SSRT2275 & SSRT2229)
 HP Tru64 UNIX - Potential Buffer Overflows & Potential Denial of Service
                             02 September 2002

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

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

Product:                HP Tru64 UNIX
                        HP Tru64 UNIX /usr/sbin/ping
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
                        Increased Privileges
Access Required:        Remote

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    SECURITY BULLETIN

    SSRT2275 HP Tru64 UNIX - Potential Buffer Overflows
    & SSRT2229 Potential Denial of Service
     
    NOTICE: There are no restrictions for distribution of
            this Bulletin provided that it remains complete and
            intact.

    RELEASE DATE:  30 August 2002

    REVISION: 0

    SEVERITY:  HIGH

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


    REFERENCE:  SSRT2257, SSRT-541, CERT (CA-2002-19,
                CA-2002-20, CA-2002-23, CA-2002-25)

    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 SSRT2275
            in the search window.

      SSRT2229 /usr/sbin/ping  (Severity - Medium)

             A potential security vulnerability has been
             reported within HP Tru64 UNIX /ur/sbin/ping,
             which could potentially result in denial
             of service (DoS). This may be in the form of
             local security domain risks.


      SSRT2275 HP Tru64 UNIX Buffer Overflows (Severity -
                                  see specific list below)

              Potential buffer overflows have been reported
              for HP Tru64 UNIX where, under certain
              circumstances,  a non-privileged user may gain
              unauthorized privileged access. This may be in
              the form of local and remote security domain
              risks.



      Basic Commands and Utilities (Severity - High)

              SSRT2277 /usr/bin/ypmatch
              SSRT2261 /usr/sbin/traceroute
              SSRT2260 /usr/sbin/lpc
                       /usr/bin/lprm
                       /usr/bin/lpq
                       /usr/bin/lpr
                       /usr/lbin/lpd
 
              SSRT0796U /usr/bin/binmail
              SSRT0794U /usr/bin/ipcs
              SSRT2191 /usr/sbin/quot
              SSRT2189 /usb/bin/at
              SSRT2256 /usr/bin/ps
              SSRT2275 /usr/bin/uux
                       /usr/bin/uucp
                       /usr/bin/csh
                       /usr/bin/rdist
                       /usr/bin/mh/inc
                       /usr/bin/mh/msgchk
                       /usr/sbin/imapd
                       /usr/bin/deliver
                       /sbin/.upd..loader

      CDE (Severity - High)

              SSRT2193 /usr/dt/bin/mailcv
              SSRT2280 /usr/dt/bin/dtterm
              SSRT2282 /usr/dt/bin/dtsession
              SSRT2274 /usr/dt/bin/rpc.ttdbserverd
              SSRT2251


      X11 (Severity - High)

              SSRT2279 /usr/bin/X11/dxterm
              SSRT2275 /usr/bin/X11/dxconsole
                       /usr/bin/X11/dxpause
                       /usr/bin/X11/dxsysinfo


       Networking (Severity - High)

              SSRT2340 /usr/sbin/telnetd
              SSRT2270 BIND resolver glibc
              SSRT2309 rpc XDR_ARRAY



    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



    NOT IMPACTED

      HP-UX

      HP-MPE/ix

      HP NonStop Servers

      HP OpenVMS



   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.


    NOTE: These ERPs supercede ERPs delivered with the release
    of SSRT2257 HP Tru64 UNIX /usr/bin/su buffer overflow
    potential exploit August 1, 2002. cross reference
    CERT VU#193347


    HP Tru64 UNIX/TruCluster V5.1A:
    Prerequisite: V5.1A with PK2 (BL2) installed
    ERP Kit Name: T64V51AB2-C0041402-15271-ES-20020827 .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-C0041402-15271-ES-20020827 .tar

    HP Tru64 UNIX/TruCluster V5.1:
    Prerequisite: V5.1 with PK5 (BL19) installed
    ERP Kit Name: T64V51B19-C0136901-15143-ES-20020817 .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-C0136901-15143-ES-20020817.tar

    HP Tru64 UNIX/TruCluster V5.0A:
    Prerequisite: V5.0A with PK3 (BL17) installed
    ERP Kit Name: T64V50AB17-C0018406-15268-ES-20020827 .tar
    Kit Location:
    ftp://ftp1.support.compaq.com/public/unix/v5.0a/

    HP Tru64 UNIX/TruCluster V4.0G:
    Prerequisite: V4.0G with PK3 (BL17) installed
    ERP Kit Name: T64V40GB17-C0010410-15273-ES-20020827 .tar
    Kit Location:
    ftp://ftp1.support.compaq.com/public/unix/v4.0g/

    HP Tru64 UNIX/TruCluster V4.0F:
    Prerequisite: V4.0F with PK7 (BL18) installed
    ERP Kit Name: DUV40FB18-C0067405-15263-ES-20020827 .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 ERP
    DUV40FB18-C0067405-15263-ES-20020827.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 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
(SSRT) via electronic mail:
http://www.support.compaq.com/patches/mailing-list.shtml

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."

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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