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AUSCERT External Security Bulletin Redistribution
ESB-2007.0036 -- [HP-UX]
HPSBUX02181 SSRT061289 rev.1 - HP-UX Running IPFilter,
Remote Unauthorized Denial of Service (DoS)
4 August 2009
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AusCERT Security Bulletin Summary
---------------------------------
Product: HP-UX B.11.23 running IPFilter with PHNE_34474 installed.
Publisher: Hewlett-Packard
Operating System: HP-UX
Impact: Denial of Service
Access: Remote/Unauthenticated
Revision History: August 4 2009: Resolution updated
October 11 2007: New patches added
February 7 2007: New workaround added
January 19 2007: Initial Release
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c00837319
Version: 4
HPSBUX02181 SSRT061289 rev.4 - HP-UX Running IPFilter, Remote Denial of
Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon
as possible.
Release Date: 2007-01-16
Last Updated: 2009-08-03
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.
BACKGROUND
CVSS 2.0 Base Metrics
===========================================================
Reference Base Vector Base Score
CVE-2007-0396 (AV:N/AC:M/Au:N/C:N/I:N/A:C) 7.1
===========================================================
Information on CVSS is documented
in HP Customer Notice: HPSN-2008-002
A successful exploit will result in a system crash.
RESOLUTION
HP has made the following patches available to resolve the vulnerability. The
patches are available from http://itrc.hp.com
PHNE_35766 or subsequent
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.
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
=============
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
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
-verify your operating system selections are checked and save.
To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php
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 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.
- --------------------------END INCLUDED TEXT--------------------
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