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SUPPORT COMMUNICATION - SECURITY BULLETIN

Document ID: c01506861
Version: 4

HPSBUX02351 SSRT080058 rev.4 - HP-UX Running BIND, Remote DNS Cache Poisoning

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

Release Date: 2008-07-16
Last Updated: 2008-08-08

Potential Security Impact: Remote DNS cache poisoning

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

VULNERABILITY SUMMARY
A potential security vulnerability has been identified with HP-UX running BIND. The vulnerability could be exploited remotely to cause DNS cache poisoning.

References: CVE-2008-1447

SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.11, B.11.23, B.11.31 running BIND v9.3.2 or BIND v9.2.0, HP-UX B.11.11 running BIND v8.1.2 

BACKGROUND

CVSS 2.0 Base Metrics 
==============================================Reference                         Base Vector               Base Score 
CVE-2008-1447      (AV:N/AC:L/Au:N/C:P/I:P/A:P)     7.5
==============================================Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.

RESOLUTION

HP has provided the following software updates / patch to resolve the vulnerabilities for BIND v9.2.0 and BIND v9.3.2. 

Customers running BIND v8.1.2 on HP-UX B.11.11 should upgrade to BIND v9.2.0 or BIND v9.3.2 and apply the updates listed below. 

The BIND v9.2.0 update is available for download from: ftp://ss080058:ss080058@hprc.external.hp.com 

The patch PHNE_37865 is available from: http://itrc.hp.com 

The BIND v9.3.2 updates are available for download from: http://software.hp.com 
 
HP-UX Release - B.11.11 running v8.1.2
Action - Upgrade to BIND v9.2.0 or BIND v9.3.2 and apply the updates listed below, 
remove "query-source port" and "query-source-v6 port" options in /etc/named.conf.
 
HP-UX Release - B.11.11 running v9.2.0
BIND Depot name -  BIND920v11.depot
MD5 Sum - F6999280DE19645EF86FF52083AACD72
Action - Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf.
 
HP-UX Release - B.11.23 running v9.2.0 
Action - Install PHNE_37865; 
Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf.
 
HP-UX Release - B.11.11 running v9.3.2
Action - Install revision C.9.3.2.3.0 or subsequent; 
Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
 
HP-UX Release - B.11.23 running v9.3.2
Action - Install revision C.9.3.2.3.0 or subsequent; 
Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf.
 
HP-UX Release - B.11.31 running v9.3.2
Action - Install revision C.9.3.2.3.0 or subsequent; 
Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf.

Note: HP is aware of performance issues with these updates / patch. All customers should test the updates / patch in their environment. HP is investigating changes to reduce the performance issues. This bulletin will be revised when new updates / patch become available. 

Note: Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 

Note: Firewall configurations may need to be adjusted to allow DNS queries from random source ports to pass. In addition, firewalls that forward DNS queries must not replace the random source ports. 

MANUAL ACTIONS: Yes - NonUpdate
Remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. Check firewall settings. 
For B.11.11 running v8.1.2, upgrade to BIND v9.2.0 or BIND v9.3.2 and apply the updates 
For B.11.11 running v9.2.0 install BIND920v11.depot 

PRODUCT SPECIFIC INFORMATION 
HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes all HP-issued Security Bulletins and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see: https://www.hp.com/go/swa 

AFFECTED VERSIONS 

For BIND v8.1.2 
HP-UX B.11.11 
============= 
InternetSrvcs.INETSVCS-RUN 
action: upgrade to BIND v9.2.0 or BIND v9.3.2 and apply the updates, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 

For BIND v9.3.2 
HP-UX B.11.11 
============= 
BindUpgrade.BIND-UPGRADE 
action: install revision C.9.3.2.3.0 or subsequent, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
URL: http://software.hp.com 

HP-UX B.11.23 
============= 
BindUpgrade.BIND-UPGRADE 
BindUpgrade.BIND2-UPGRADE 
action: install revision C.9.3.2.3.0 or subsequent, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
URL: http://software.hp.com 

HP-UX B.11.31 
============= 
NameService.BIND-AUX 
NameService.BIND-RUN 
action: install revision C.9.3.2.3.0 or subsequent, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
URL: http://software.hp.com 

For BIND v9.2.0 
HP-UX B.11.11 
============= 
BINDv920.INETSVCS-BIND 
action: install revision B.11.11.01.011 or subsequent, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
URL: ftp://ss080058:ss080058@hprc.external.hp.com 

HP-UX B.11.23 
============= 
InternetSrvcs.INETSVCS-INETD 
InternetSrvcs.INETSVCS-RUN 
InternetSrvcs.INETSVCS2-RUN 
action: install patch PHNE_37865 or subsequent, remove "query-source port" and "query-source-v6 port" options in /etc/named.conf. 
URL: http://itrc.hp.com 

END AFFECTED VERSIONS 

HISTORY 
Version:1 (rev.1) - 16 July 2008 Initial release 
Version:2 (rev.2) - 19 July 2008 Added BIND v9.2.0 depot information 
Version:3 (rev.3) - 06 August 2008 Updated patch location, revised BIND v9.2.0 depot information, added BIND v8.1.2 
Version:4 (rev.4) - 08 August 2008 Updated manual actions to include named.conf and firewall configuration setings 

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@hp.com 
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@hp.com 
  Subject: get key

Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email: 
http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC 
On the web page: ITRC security bulletins and patch sign-up 
Under Step1: your ITRC security bulletins and patches 
  - check ALL categories for which alerts are required and continue.
Under Step2: your ITRC operating systems 
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Log in on the web page: Subscriber's choice for Business: sign-in. 
On the web page: Subscriber's Choice: your profile summary - use Edit Profile to update appropriate sections.


To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do 


* 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 2008 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 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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