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AUSCERT External Security Bulletin Redistribution
ESB-2008.0780 -- [HP-UX]
HP-UX Using libc, Remote Denial of Service (DoS)
7 August 2008
AusCERT Security Bulletin Summary
Operating System: HP-UX
Impact: Denial of Service
CVE Names: CVE-2008-1664
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SUPPORT COMMUNICATION - SECURITY BULLETIN
Document ID: c01520421
HPSBUX02355 SSRT080023 rev.1 - HP-UX Using libc, Remote Denial of Service
NOTICE: The information in this Security Bulletin should be acted upon as
soon as possible.
Release Date: 2008-08-06
Last Updated: 2008-08-06
Potential Security Impact: Remote Denial of Service (DoS)
Source: Hewlett-Packard Company, HP Software Security Response Team
A potential security vulnerability has been identified in HP-UX using libc.
This vulnerability could be exploited remotely to create a Denial of
SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed.
HP-UX B.11.23 and B.11.31 using libc.
CVSS 2.0 Base Metrics
Reference Base Vector Base Score
CVE-2008-1664 (AV:N/AC:L/Au:S/C:N/I:P/A:C) 7.5
Information on CVSS is documented in HP Customer Notice: HPSN-2008-002.
HP is providing the following software patches to resolve the
The patches are available from: http://itrc.hp.com
HP-UX Release - HP-UX B.11.23 (11i v2)
Action - Install PHCO_38273 or subsequent
HP-UX Release - HP-UX B.11.31 (11i v3)
Action - Install PHCO_38048 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 HP
Security Bulletin issues 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 is for use by the HP-UX Software Assistant.
action: install patch PHCO_38273 or subsequent
action: install patch PHCO_38048 or subsequent
END AFFECTED VERSIONS
Version: 1 (rev.1) 6 August 2008 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.
Support: For further information, contact normal HP Services support
Report: To report a potential security vulnerability with any HP supported
product, send Email to: email@example.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:
Subject: get key
Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email:
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:
* The Software Product Category that this Security Bulletin relates to is
represented by the 5th and 6th characters of the Bulletin number in the
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
"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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