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SECURITY BULLETIN

REVISION: 0

SSRT3653 - Tru64 UNIX Bind Version 8 Potential Security
Vulnerability

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

RELEASE DATE: 26 November 2003

SEVERITY:  1

SOURCE:  HEWLETT-PACKARD COMPANY
Software Security Response Team

REFERENCE:  CERT VU#734644

PROBLEM SUMMARY
A potential security vulnerability has been identified in HP
Tru64 UNIX Bind Version 8 software that may result in a local or
remote user creating a Denial of Service (DoS).


VERSIONS IMPACTED
All currently supported versions of HP Tru64 UNIX running Bind
Version 8 including

HP Tru64 UNIX 5.1B  All Base levels

HP Tru64 UNIX 5.1A  All Base levels

HP Tru64 UNIX 5.1    All Base levels

HP Tru64 UNIX 4.0G  All Base levels

HP Tru64 UNIX 4.0F  All Base levels

To determine if this patch kit is needed
Type the following command to find the version of Bind:

>  /usr/sbin/named -v

     named 8.2.2-P5-plus-patches

The following versions of Bind are affected:

          a. Versions prior to 8.3.7
          b. Versions of Bind 8.4.x prior to 8.4.2.
If the version of Bind falls into the affected categories above
the patch is needed.


RESOLUTION
Until the resolutions are available in HP Tru64 UNIX mainstream
release patch kits, HP is releasing the following Early Release
Patch (ERP) kits.

The fixes contained in the ERP kits are scheduled to be available
in the following mainstream patch kits:

     HP Tru64 UNIX V5.1B PK4

     HP Tru64 UNIX V5.1A PK7

Early Release Patches

The ERP kits use dupatch to install and will not install over any
installed Customer Specific Patches (CSPs) that have file
intersections with the ERPs.  Contact the appropriate HP Services
support channel for assistance if the installation of the ERPs is
blocked by any installed CSPs.

For alternatives to using the Dupach ERP kit solutions for the HP
Tru64 UNIX Base OS please see the following Web page:
http://h30097.www3.hp.com/unix/AlternativesToUsingDupatch.htm.

The following ERP kits are available for HP Tru64 UNIX:

NOTE:  The 5.1 PK6  (BL20)  Early Release Patch (ERP) kit DOES have
a file intersection with the following previously released ERP:

SSRT2275, SSRT2229 Potential Buffer Overflow Security Vulnerability
Patches

The ERP corrections in this bulletin contain the Bind version 8
corrections from SSRT2275, SSRT2229 and are designed to install
standalone or seamlessly over the previous  SSRT2275, SSRT2229 patch
kits.

HP Tru64 UNIX 5.1B
PREREQUISITE: HP Tru64 UNIX with 5.1B with PK3 (BL24) installed
ERP Kit Name:  T64KIT0020650-V51BB24-ES-20031112.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020650-V51BB24-ES-20031112

HP Tru64 UNIX 5.1B
PREREQUISITE: HP Tru64 UNIX with 5.1B with PK2 (BL22) installed
ERP Kit Name:  T64KIT0020665-V51BB22-ES-20031113
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020665-V51BB22-ES-20031113

HP Tru64 UNIX 5.1A
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK6 (BL24) installed
ERP Kit Name:  T64KIT0020675-V51AB24-ES-20031113.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020675-V51AB24-ES-20031113

HP Tru64 UNIX 5.1A
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK5 (BL23) installed
ERP Kit Name: T64KIT0020694-V51AB23-ES-20031114.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020694-V51AB23-ES-20031114

HP Tru64 UNIX 5.1
PREREQUISITE: HP Tru64 UNIX with 5.1A with PK6 (BL20) installed
ERP Kit Name: T64KIT0020695-V51B20-ES-20031114.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020695-V51B20-ES-20031114

HP Tru64 UNIX 4.0F
PREREQUISITE: HP Tru64 UNIX with 4.0F with PK4 (BL22) installed
ERP Kit Name: DUXKIT0020667-V40FB22-ES-20031113.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
DUXKIT0020667-V40FB22-ES-20031113

HP Tru64 UNIX 4.0G
PREREQUISITE: HP Tru64 UNIX with 4.0G with PK4 (BL22) installed
ERP Kit Name: T64KIT0020666-V40GB22-ES-20031113.tar
General ITRC Patch Page:
http://www.itrc.hp.com/service/patch/mainPage.do
Kit Location:
http://www.itrc.hp.com/service/patch/patchDetail.do?patchid=
T64KIT0020666-V40GB22-ES-20031113

MD5 and SHA1 checksums are available in the public patch notice for
the ERP kits. You can find information on how to verify MD5 and SHA1
checksums 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/mail-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 2003 Hewlett-Packard Company
Hewlett-Packard Company shall not be liable for technical or
editorial
errors or omissions contained herein. The information provided is
provided
"as is" without warranty of any kind. To the extent permitted by law,
neither HP or its affiliates, subcontractors or suppliers will be
liable
for incidental, special or consequential damages including downtime
cost;
lost profits; damages relating to the procurement of substitute
products or
services; or damages for loss of data, or software restoration.
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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