[security bulletin] HPSBOV02452 SSRT090161 rev.1 - HP TCP/IP Services for OpenVMS BIND Server Remote Denial of Service (DoS)

[security-alert@xxxxxx]

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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01835459
Version: 1

HPSBOV02452 SSRT090161 rev.1 - HP TCP/IP Services for OpenVMS BIND Server 
Remote Denial of Service (DoS)

NOTICE: The information in this Security Bulletin should be acted upon as soon 
as possible.

Release Date: 2009-08-06
Last Updated: 2009-08-06

Potential Security Impact: Remote Denial of Service (DoS)

Source: Hewlett-Packard Company, HP Software Security Response Team

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with OpenVMS running HP 
TCP/IP Services BIND server. The vulnerability could be remotely exploited to 
create a Denial of Service (DoS).

References: CVE-2009-0696

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP TCP/IP Services for OpenVMS v5.4, v5.5, v5.6 on Itanium and Alpha.

BACKGROUND

CVSS 2.0 Base Metrics
===========================================================
  Reference              Base Vector             Base Score
CVE-2009-0696    (AV:N/AC:M/Au:N/C:N/I:N/A:P)       4.3
===========================================================
             Information on CVSS is documented
            in HP Customer Notice: HPSN-2008-002

RESOLUTION

HP has made the following patched BIND server files available to resolve the 
vulnerability. The patches are available from the ftp site, 
hprc.external.hp.com, username is vmsbind and the password is vmsbind.

The patched files is available via ftp: system: hprc.external.hp.com
Login: vmsbind
Password: vmsbind

FTP Access URL: ftp://vmsbind:vmsbind@xxxxxxxxxxxxxxxxxxxx/

There are patches for all TCP/IP versions (i.e. v54-ECO7, v55-ECO3, and 
v56-ECO4) for both ALPHA and ITANIUM platforms. Download the file needed from 
the ftp server for the particular server architecture and TCP/IP services 
version. The ECO level in each patch file name refers to the TCP/IP services 
ECO which must be installed prior to using this patch. Itanium Images

TCPIP$BIND_SERVER.EXE_SECURITY_V55_ECO3_ITN

TCPIP$BIND_SERVER.EXE_SECURITY_V56_ECO4_ITN

Alpha Images

TCPIP$BIND_SERVER.EXE_SECURITY_V54_ECO7_ALPHA

TCPIP$BIND_SERVER.EXE_SECURITY_V55_ECO3_ALPHA

TCPIP$BIND_SERVER.EXE_SECURITY_V56_ECO4_ALPHA

After backing up the TCPIP$BIND_SERVER.EXE file, copy the new file to the 
TCPIP$BIND_SERVER.EXE image already existing in the SYS$COMMON: [SYSEXE] 
directory and restart the BIND server.

Use these steps to install the new images on a system:

1. Make a safe backup copy of TCPIP$BIND_SERVER.EXE image already existing in 
the SYS$COMMON: [SYSEXE] directory.

2. Copy the new patch image for the correct architecture and TCP/IP Services 
versions to TCPIP$BIND_SERVER.EXE to the SYS$COMMON: [SYSEXE].

3. Restart the BIND service using the commands to shutdown and start the 
service:
Stop the service: @sys$startup:tcpip$bind_shutdown.com
Start the BIND service: @sys$startup:tcpip$bind_startup.com

PRODUCT SPECIFIC INFORMATION
None

HISTORY
Version:1 (rev.1) 06 August 2009 Initial release

Third Party Security Patches: Third party security patches that are to be 
installed on systems running HP software products should be applied in 
accordance with the customer's patch management policy.

Support: For further information, contact normal HP Services support channel.

Report: To report a potential security vulnerability with any HP supported 
product, send Email to: security-alert@xxxxxx
It is strongly recommended that security related information being communicated 
to HP be encrypted using PGP, especially exploit information.
To get the security-alert PGP key, please send an e-mail message as follows:
  To: security-alert@xxxxxx
  Subject: get key
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* The Software Product Category that this Security Bulletin
relates to is represented by the 5th and 6th characters
of the Bulletin number in the title:

GN = HP General SW
MA = HP Management Agents
MI = Misc. 3rd Party SW
MP = HP MPE/iX
NS = HP NonStop Servers
OV = HP OpenVMS
PI = HP Printing & Imaging
ST = HP Storage SW
TL = HP Trusted Linux
TU = HP Tru64 UNIX
UX = HP-UX
VV = HP VirtualVault

System management and security procedures must be reviewed frequently to 
maintain system integrity. HP is continually reviewing and enhancing the 
security features of software products to provide customers with current secure 
solutions.

"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. To the extent permitted by law, HP 
disclaims all warranties, either express or implied, including the warranties 
of merchantability and fitness for a particular purpose, title and 
non-infringement."

Copyright 2009 Hewlett-Packard Development Company, L.P.
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 
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or consequential damages including downtime cost; lost profits;damages relating 
to the procurement of substitute products or services; or damages for loss of 
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change without notice. Hewlett-Packard Company and the names of Hewlett-Packard 
products referenced herein are trademarks of Hewlett-Packard Company in the 
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herein may be trademarks of their respective owners.
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