SUPPORT COMMUNICATION -
SECURITY BULLETIN
HPSBUX02181 SSRT061289 rev.5 - HP-UX Running IPFilter, Remote Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon as possible.
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 HP-UX running IPFilter. The vulnerability could be remotely exploited to create a Denial of Service (DoS).
References:
CVE-2007-0396
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23 running IPFilter with PHNE_34474 or subsequent and without PHNE_35766 or subsequent.
CVSS 2.0 Base Metrics
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Reference
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Base Vector
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Base Score
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CVE-2007-0396
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(AV:N/AC:M/Au:N/C:N/I:N/A:C)
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7.1
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Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.
A successful exploit will result in a system crash.
Note:
The vulnerability is resolved in the ARPA Transport patch PHNE_35766 or subsequent. Changes made in the LAN patch PHNE_34474 or subsequent allow the vulnerability to be exploited. Therefore, the vulnerable configuration is HP-UX B.11.23 running IPFilter with PHNE_34474 or subsequent and without PHNE_35766 or subsequent.
RESOLUTION
HP has made the following patches available to resolve the vulnerability. The patches are available from
http://itrc.hp.com
MANUAL ACTIONS:
No
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 Security Bulletins issued by HP 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
The following text is for use by the HP-UX Software Assistant.
AFFECTED VERSIONS
HP-UX B.11.23
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IPF-HP.IPF-MIN
action: install PHNE_35766 or subsequent
END AFFECTED VERSIONS
HISTORY
Version:1 (rev.1) 16 January 2007 Initial release
Version:2 (rev.2) 5 February 2007 UNOF_35938.depot available
Version:3 (rev.3) 3 October 2007 PHNE_35545 and PHNE_35766 are available
Version:4 (rev.4) 3 August 2009 PHNE_35766 or subsequent resolves the vulnerability
Version:5 (rev.5) 5 August 2009 Move Note from Resolution to Background
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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To update an existing subscription:
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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:
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GN = HP General SW
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MA = HP Management Agents
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MI = Misc. 3rd Party SW
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MP = HP MPE/iX
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NS = HP NonStop Servers
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OV = HP OpenVMS
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PI = HP Printing & Imaging
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ST = HP Storage SW
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TL = HP Trusted Linux
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TU = HP Tru64 UNIX
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UX = HP-UX
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VV = HP VirtualVault
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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 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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