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Posted by Security Alert on December 5, 2006, 2:44 pm
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c00815112
Version: 1
HPSBUX02178 SSRT061267 rev.1 - HP-UX Secure Shell Remote Denial of Service (DoS)
NOTICE: The information in this Security Bulletin should be acted upon as soon
as possible.
Release Date: 2006-12-01
Last Updated: 2006-12-04
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 HP-UX
Secure Shell. The vulnerability could be remotely exploited to allow a remote
unauthorized user to create a Denial of Service (DoS).
References: CVE-2006-0225, CVE-2006-4924
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.00, B.11.11, B.11.23
BACKGROUND
To determine if an HP-UX system has an affected version, search the output of
"swlist -a revision -l fileset" for one of the filesets listed below. For
affected systems verify that the recommended action has been taken.
AFFECTED VERSIONS
HP-UX B.11.00
HP-UX B.11.11
===========
Secure_Shell.SECURE_SHELL
action: install revision A.04.40.006 or subsequent
URL:
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1471AA
HP-UX B.11.23
===========
Secure_Shell.SECURE_SHELL
action: install revision A.04.40.007 or subsequent
URL:
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1471AA
END AFFECTED VERSIONS
RESOLUTION
HP is providing the following HP Secure Shell (T1471AA) updates to resolve this
potential vulnerability.
These updates can be downloaded from
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1471AA
HP-UX B.11.00 - HP-UX Secure Shell A.04.40.006
HP-UX B.11.11 - HP-UX Secure Shell A.04.40.006
HP-UX B.11.23 - HP-UX Secure Shell A.04.40.007
The HP-UX Secure Shell A.04.40.006 and A.04.40.007 are based on OpenSSH 4.4p1,
and contain the following libraries: zlib1.2.3, OpenSSL v0.9.7l and TCP Wrappers
v7.6-ipv6.4.
MANUAL ACTIONS: Yes - Update
Download and install the appropriate update from
http://h20293.www2.hp.com/portal/swdepot/displayProductInfo.do?productNumber=T1471AA
PRODUCT SPECIFIC INFORMATION
HP-UX Security Patch Check: Security Patch Check revision B.02.00 analyzes all
HP-issued Security Bulletins to provide a subset of recommended actions that
potentially affect a specific HP-UX system. For more information:
http://software.hp.com/portal/swdepot/displayProductInfo.do?
productNumber=B6834AA
HISTORY: Version: 1 (rev.1) 04 December 2006 Initial release
Third Party Security Patches: Third party security patches which 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 2006 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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--
Yours truly,
HP S/W Security Team
WTEC Cupertino, California
Return-Path: secure@cup.hp.com
Reply-to: security-alert@hp.com
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