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SECURITY BULLETIN

REVISION: 0

SSRT3653 - TCP/IP for HP OpenVMS Bind Version 8 Potential Denial
of Service (DoS)

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

RELEASE DATE: 2 February 2004

SEVERITY:  1

SOURCE:  HEWLETT-PACKARD COMPANY
Software Security Response Team

REFERENCE:  CERT VU#734644, HPSBUX0311-303, SSRT3653 for
HP Tru64 UNIX

PROBLEM SUMMARY
A potential security vulnerability has been identified in HP
TCP/IP for HP OpenVMS Bind 8 software that may result in a local
or remote user creating a Denial of Service (DoS).

VERSIONS IMPACTED
Currently supported versions of HP TCP/IP including HP TCP/IP
V5.1 for HP OpenVMS Alpha and VAX and HP TCP/IP V5.3 for HP
OpenVMS VAX only.

NOTE: The affected versions of Bind from ISC (Internet Software
Consortium) are Bind 8 prior to 8.3.7 and Bind 8.4.x to 8.4.2j

RESOLUTION
HP is making the following resolution files available for
download until the solution is released in a future ECO kit for
HP  TCP/IP V5.1 for HP OpenVMS Alpha/VAX and V5.3 for HP
OpenVMS VAX

      TCPIP$BIND_SERVER.EXE_ECO_I_V_V51

      TCPIP$BIND_SERVER.EXE_ECO_I_A_V51

      TCPIP$BIND_SERVER.EXE_ECO_G_V_V53

Note: The files are available from the following ftp site:

System: hprc.external.hp.com (192.170.19.51)

Login: vmstcpip

Password: vmstcpip

FTP Access: ftp://vmstcpip:vmstcpip@hprc.external.hp.com/

or: ftp://vmstcpip:vmstcpip@192.170.19.51/

or: ftp hprc.external.hp.com

1. Download and install the appropriate file(s).

    a. Download the appropriate file(s).

    TCPIP$BIND_SERVER.EXE_ECO_I_V_V51     MD5 checksum
       9276247ca53c1002a3ff35e0f3d4c2cf

    TCPIP$BIND_SERVER.EXE_ECO_I_A_V51     MD5 checksum
       0c950b93732c4d8a7ac9e9d5807bc922

    TCPIP$BIND_SERVER.EXE_ECO_G_V_V53    MD5 checksum
       5fdeff0105e997ed6a275b0dc2936295

    b. Verify the MD5 checksum.

2. Stop the BIND server:

    $ @sys$startup:tcpip$bind_shutdown

3. Copy the new image to sys$common:[sysexe]

    a. For VAX only V5.3

    $ copy TCPIP$BIND_SERVER.EXE_ECO_G_V_V53 sys$common:[sysexe]
tcpip$bind_server.exe

    b. For VAX only V5.1

    $ copy TCPIP$BIND_SERVER.EXE_ECO_I_V_V51 sys$common:[sysexe]
tcpip$bind_server.exe

    c. For  Alpha only V5.1

    $ copy TCPIP$BIND_SERVER.EXE_ECO_I_A_V51 sys$common:[sysexe]
tcpip$bind_server.exe

4. Restart the BIND server:

    $ @sys$startup:tcpip$bind_startup


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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